ExpressionOperator (EclipseLink 2.6.0, API Reference)

java.lang.Object
- org.eclipse.persistence.expressions.ExpressionOperator

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

ListExpressionOperator
```
public class ExpressionOperator
extends java.lang.Object
implements java.io.Serializable
```
Purpose: ADVANCED: The expression operator is used internally to define SQL operations and functions. It is possible for an advanced user to define their own operators.

See Also:
Serialized Form

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`Abs`
`static int`	`Acos`
`static int`	`Add`
`static int`	`AddDate`
`static int`	`AddMonths`
`static int`	`AggregateOperator`
`static int`	`All`
`protected static java.util.Map<java.lang.Integer,ExpressionOperator>`	`allOperators`
`static int`	`And` Logical operators
`static int`	`Any`
`protected int[]`	`argumentIndices`
`static int`	`As`
`static int`	`Ascending` Ordering operators
`static int`	`Ascii`
`static int`	`Asin`
`static int`	`Atan`
`static int`	`Atan2`
`static int`	`Average`
`static int`	`Between`
`static int`	`Case`
`static int`	`CaseCondition`
`static int`	`Cast`
`static int`	`Ceil`
`static int`	`CharIndex`
`static int`	`CharLength`
`static int`	`Chr`
`static int`	`Coalesce`
`static int`	`ComparisonOperator`
`static int`	`Concat`
`static int`	`Cos`
`static int`	`Cosh`
`static int`	`Cot`
`static int`	`Count` Aggregate operators
`static int`	`CurrentDate` Function to obtain the current date on the database with date components only but without time components.
`static int`	`CurrentTime` Function to obtain the current time on the database with time components only but without date components.
`protected java.lang.String[]`	`databaseStrings`
`static int`	`DateDifference`
`static int`	`DateName`
`static int`	`DatePart`
`static int`	`DateToString`
`static int`	`Decode`
`static int`	`Deref`
`static int`	`Descending`
`static int`	`Difference`
`static int`	`Distinct`
`static int`	`Divide`
`static int`	`Equal` Comparison operators
`static int`	`EqualOuterJoin`
`static int`	`Except`
`static int`	`ExceptAll`
`static int`	`Exists`
`static int`	`ExistsNode`
`static int`	`Exp`
`static int`	`Extract`
`static int`	`ExtractValue`
`static int`	`ExtractXml`
`static int`	`Floor`
`static int`	`FunctionOperator`
`static int`	`GetNumberVal`
`static int`	`GetStringVal`
`static int`	`GreaterThan`
`static int`	`GreaterThanEqual`
`static int`	`Greatest`
`static int`	`HexToRaw`
`static int`	`In`
`static int`	`Initcap`
`static int`	`Instring`
`static int`	`InSubQuery`
`static int`	`Intersect`
`static int`	`IntersectAll`
`protected boolean`	`isBindingSupported` Allow operator to disable binding.
`static int`	`IsFragment`
`static int`	`IsNull`
`protected boolean`	`isPrefix`
`protected boolean`	`isRepeating`
`protected java.lang.String[]`	`javaStrings`
`static int`	`LastDay`
`static int`	`Least`
`static int`	`LeftPad`
`static int`	`LeftTrim`
`static int`	`LeftTrim2`
`static int`	`Length`
`static int`	`LessThan`
`static int`	`LessThanEqual`
`static int`	`Like`
`static int`	`LikeEscape`
`static int`	`Ln`
`static int`	`Locate`
`static int`	`Locate2`
`static int`	`Log`
`static int`	`LogicalOperator` Operator types
`static int`	`Maximum`
`static int`	`Minimum`
`static int`	`Mod`
`static int`	`MonthsBetween`
`static int`	`Multiply`
`protected java.lang.String`	`name`
`static int`	`Negate`
`static int`	`NewTime`
`static int`	`NextDay`
`protected java.lang.Class`	`nodeClass`
`static int`	`Not`
`static int`	`NotBetween`
`static int`	`NotEqual`
`static int`	`NotExists`
`static int`	`NotIn`
`static int`	`NotInSubQuery`
`static int`	`NotLike`
`static int`	`NotLikeEscape`
`static int`	`NotNull`
`static int`	`NullIf`
`static int`	`NullsFirst`
`static int`	`NullsLast`
`static int`	`Nvl`
`static int`	`Or`
`static int`	`OrderOperator`
`protected static java.util.Map<java.lang.Integer,java.lang.String>`	`platformOperatorNames`
`protected static java.util.Map<java.lang.String,java.lang.Integer>`	`platformOperatorSelectors`
`static int`	`Power`
`static int`	`Ref`
`static int`	`RefToHex`
`static int`	`Regexp`
`static int`	`Replace`
`static int`	`Replicate`
`static int`	`Reverse`
`static int`	`Right`
`static int`	`RightPad`
`static int`	`RightTrim`
`static int`	`RightTrim2`
`static int`	`Round`
`static int`	`RoundDate`
`static int`	`SDO_FILTER`
`static int`	`SDO_NN`
`static int`	`SDO_RELATE`
`static int`	`SDO_WITHIN_DISTANCE`
`protected int`	`selector`
`static int`	`Sign`
`static int`	`Sin`
`static int`	`Sinh`
`static int`	`Some`
`static int`	`Soundex`
`static int`	`Sqrt`
`static int`	`StandardDeviation`
`static int`	`Substring`
`static int`	`SubstringSingleArg`
`static int`	`Subtract`
`static int`	`Sum`
`static int`	`Tan`
`static int`	`Tanh`
`static int`	`ToChar`
`static int`	`ToCharWithFormat`
`static int`	`ToDate`
`static int`	`Today` Function to obtain the current timestamp on the database including date and time components.
`static int`	`ToLowerCase`
`static int`	`ToNumber`
`static int`	`ToUpperCase` Function operators
`static int`	`Translate`
`static int`	`Trim`
`static int`	`Trim2`
`static int`	`Trunc`
`static int`	`TruncateDate`
`protected int`	`type`
`static int`	`Union` Union operators
`static int`	`UnionAll`
`static int`	`Value`
`static int`	`Variance`

Constructor Summary

Constructors
Constructor and Description
`ExpressionOperator()` ADVANCED: Create a new operator.
`ExpressionOperator(int selector, java.util.Vector newDatabaseStrings)` ADVANCED: Create a new operator with the given name(s) and strings to print.

Method Summary

Methods
Modifier and Type	Method and Description
`static ExpressionOperator`	`abs()` INTERNAL: Build operator.
`static ExpressionOperator`	`acos()` INTERNAL: Build operator.
`static ExpressionOperator`	`addDate()` INTERNAL: Build operator.
`static ExpressionOperator`	`addMonths()` INTERNAL: Build operator.
`static void`	`addOperator(ExpressionOperator exOperator)` ADVANCED: Add an operator to the global list of operators.
`static ExpressionOperator`	`all()` INTERNAL: Create the ALL operator.
`static ExpressionOperator`	`and()` INTERNAL: Create the AND operator.
`static ExpressionOperator`	`any()` INTERNAL: Create the ANY operator.
`java.lang.Object`	`applyFunction(java.lang.Object source, java.util.Vector arguments)` INTERNAL: Apply this to an object in memory.
`static ExpressionOperator`	`as()` INTERNAL: Create the AS operator.
`static ExpressionOperator`	`ascending()` INTERNAL: Create the ASCENDING operator.
`static ExpressionOperator`	`ascii()` INTERNAL: Build operator.
`static ExpressionOperator`	`asin()` INTERNAL: Build operator.
`static ExpressionOperator`	`atan()` INTERNAL: Build operator.
`static ExpressionOperator`	`average()` INTERNAL: Create the AVERAGE operator.
`void`	`bePostfix()` ADVANCED: Tell the operator to be postfix, i.e. its strings start printing after those of its first argument.
`void`	`bePrefix()` ADVANCED: Tell the operator to be pretfix, i.e. its strings start printing before those of its first argument.
`void`	`beRepeating()` INTERNAL: Make this a repeating argument.
`static ExpressionOperator`	`between()` INTERNAL: Create the BETWEEN Operator
`static ExpressionOperator`	`caseConditionStatement()` INTERNAL: Build operator.
`static ExpressionOperator`	`caseStatement()` INTERNAL: Build operator.
`static ExpressionOperator`	`cast()` INTERNAL: Build operator.
`static ExpressionOperator`	`ceil()` INTERNAL: Build operator.
`static ExpressionOperator`	`charIndex()` INTERNAL: Build operator.
`static ExpressionOperator`	`charLength()` INTERNAL: Build operator.
`static ExpressionOperator`	`chr()` INTERNAL: Build operator.
`static ExpressionOperator`	`coalesce()` INTERNAL: Build operator.
`static ExpressionOperator`	`concat()` INTERNAL: Build operator.
`boolean`	`conformBetween(java.lang.Object left, java.lang.Object right)` INTERNAL: Compare between in memory.
`boolean`	`conformLike(java.lang.Object left, java.lang.Object right)` INTERNAL: Compare like in memory.
`void`	`copyTo(ExpressionOperator operator)`
`static ExpressionOperator`	`cos()` INTERNAL: Build operator.
`static ExpressionOperator`	`cosh()` INTERNAL: Build operator.
`static ExpressionOperator`	`cot()` INTERNAL: Build operator.
`static ExpressionOperator`	`count()` INTERNAL: Create the COUNT operator.
`protected Expression`	`createNode()` INTERNAL: Instantiate an instance of the operator's node class.
`static ExpressionOperator`	`currentDate()` INTERNAL: Build operator.
`static ExpressionOperator`	`currentTime()` INTERNAL: Build operator.
`static ExpressionOperator`	`currentTimeStamp()` INTERNAL: Build operator.
`static ExpressionOperator`	`dateDifference()` INTERNAL: Build operator.
`static ExpressionOperator`	`dateName()` INTERNAL: Build operator.
`static ExpressionOperator`	`datePart()` INTERNAL: Build operator.
`static ExpressionOperator`	`dateToString()` INTERNAL: Build operator.
`static ExpressionOperator`	`decode()` INTERNAL: Build operator.
`static ExpressionOperator`	`deref()` INTERNAL: Build operator.
`static ExpressionOperator`	`descending()` INTERNAL: Create the DESCENDING operator.
`static ExpressionOperator`	`difference()` INTERNAL: Build operator.
`static ExpressionOperator`	`distinct()` INTERNAL: Create the DISTINCT operator.
`boolean`	`doesRelationConform(java.lang.Object left, java.lang.Object right)` INTERNAL: Compare the values in memory.
`static ExpressionOperator`	`equalOuterJoin()` INTERNAL: Initialize the outer join operator Note: This is merely a shell which is incomplete, and so will be replaced by the platform's operator when we go to print.
`boolean`	`equals(java.lang.Object object)` INTERNAL: Return if the operator is equal to the other.
`static ExpressionOperator`	`except()` INTERNAL: Create the EXCEPT operator.
`static ExpressionOperator`	`exceptAll()` INTERNAL: Create the EXCEPT ALL operator.
`static ExpressionOperator`	`exists()` INTERNAL: Create the EXISTS operator.
`static ExpressionOperator`	`existsNode()` INTERNAL: Create the existsNode expression operator
`static ExpressionOperator`	`exp()` INTERNAL: Build operator.
`Expression`	`expressionFor(Expression base)` INTERNAL: Create an expression for this operator, using the given base.
`Expression`	`expressionFor(Expression base, java.lang.Object value)` INTERNAL: Create an expression for this operator, using the given base and a single argument.
`Expression`	`expressionForArguments(Expression base, java.util.List arguments)` INTERNAL: Create an expression for this operator, using the given base and arguments.
`Expression`	`expressionForArguments(Expression base, java.util.Vector arguments)` Deprecated.
`Expression`	`expressionForWithBaseLast(Expression base, java.lang.Object value)` INTERNAL: Create an expression for this operator, using the given base and a single argument.
`static ExpressionOperator`	`extract()` INTERNAL: Build operator.
`static ExpressionOperator`	`extractValue()` INTERNAL: Create the extractValue expression operator
`static ExpressionOperator`	`extractXml()` INTERNAL: Create the extract expression operator
`static ExpressionOperator`	`floor()` INTERNAL: Build operator.
`static java.util.Map<java.lang.Integer,ExpressionOperator>`	`getAllOperators()` ADVANCED: Return the map of all operators.
`java.lang.String[]`	`getDatabaseStrings()` INTERNAL:
`java.lang.String[]`	`getJavaStrings()` INTERNAL:
`java.lang.String`	`getName()` INTERNAL: Return the name.
`java.lang.Class`	`getNodeClass()` INTERNAL:
`static ExpressionOperator`	`getNumberVal()`
`static ExpressionOperator`	`getOperator(java.lang.Integer selector)` INTERNAL: Lookup the operator with the given id.
`static java.lang.String`	`getPlatformOperatorName(int operator)` INTERNAL: Initialize a mapping to the platform operator names for usage with exceptions.
`static java.util.Map`	`getPlatformOperatorNames()` INTERNAL: Initialize a mapping to the platform operator names for usage with exceptions.
`static java.util.Map<java.lang.String,java.lang.Integer>`	`getPlatformOperatorSelectors()`
`int`	`getSelector()` INTERNAL: Return the selector id.
`static ExpressionOperator`	`getStringVal()`
`int`	`getType()` ADVANCED: Return the type of function.
`static ExpressionOperator`	`greatest()` INTERNAL: Build operator.
`int`	`hashCode()` INTERNAL: Return the hash-code based on the unique selector.
`static ExpressionOperator`	`hexToRaw()` INTERNAL: Build operator.
`static ExpressionOperator`	`ifNull()` INTERNAL: Build operator.
`static ExpressionOperator`	`in()` INTERNAL: Create the IN operator.
`static ExpressionOperator`	`initcap()` INTERNAL: Build operator.
`protected static void`	`initializeAggregateFunctionOperators()` INTERNAL:
`protected static void`	`initializeFunctionOperators()` INTERNAL:
`protected static void`	`initializeLogicalOperators()` INTERNAL:
`static java.util.Map`	`initializeOperators()` INTERNAL:
`static java.util.Map<java.lang.Integer,java.lang.String>`	`initializePlatformOperatorNames()` INTERNAL: Initialize a mapping to the platform operator names for usage with exceptions.
`static java.util.Map<java.lang.String,java.lang.Integer>`	`initializePlatformOperatorSelectors()` INTERNAL: Initialize a mapping to the platform operator names for usage with exceptions.
`protected static void`	`initializeRelationOperators()` INTERNAL:
`static ExpressionOperator`	`instring()` INTERNAL: Build operator.
`static ExpressionOperator`	`inSubQuery()` INTERNAL: Create the IN operator taking a subquery.
`static ExpressionOperator`	`intersect()` INTERNAL: Create the INTERSECT operator.
`static ExpressionOperator`	`intersectAll()` INTERNAL: Create the INTERSECT ALL operator.
`boolean`	`isAggregateOperator()` Aggregate functions are function in the select such as COUNT.
`boolean`	`isAll()` INTERNAL: Indicates whether operator has selector All
`boolean`	`isAny()` INTERNAL: Indicates whether operator has selector Any or Some
`boolean`	`isAnyOrAll()` INTERNAL: Indicates whether operator has selector Any, Some or All
`boolean`	`isBindingSupported()` PUBLIC: Return if binding is compatible with this operator.
`boolean`	`isComparisonOperator()` Comparison functions are functions such as = and >.
`boolean`	`isComplete()` INTERNAL: If we have all the required information, this operator is complete and can be used as is.
`static ExpressionOperator`	`isFragment()`
`boolean`	`isFunctionOperator()` General functions are any normal function such as UPPER.
`boolean`	`isLogicalOperator()` Logical functions are functions such as and and or.
`static ExpressionOperator`	`isNull()` INTERNAL: Create the ISNULL operator.
`boolean`	`isOrderOperator()` Order functions are used in the order by such as ASC.
`boolean`	`isPrefix()` ADVANCED: Return true if this is a prefix operator.
`static ExpressionOperator`	`lastDay()` INTERNAL: Build operator.
`static ExpressionOperator`	`least()` INTERNAL: Build operator.
`static ExpressionOperator`	`leftPad()` INTERNAL: Build operator.
`static ExpressionOperator`	`leftTrim()` INTERNAL: Build operator.
`static ExpressionOperator`	`leftTrim2()` INTERNAL: Build leftTrim operator that takes one parameter.
`static ExpressionOperator`	`length()` INTERNAL: Build operator.
`static ExpressionOperator`	`like()` INTERNAL: Create the LIKE operator.
`static ExpressionOperator`	`likeEscape()` INTERNAL: Create the LIKE operator with ESCAPE.
`static ExpressionOperator`	`ln()` INTERNAL: Build operator.
`static ExpressionOperator`	`locate()` INTERNAL: Build locate operator i.e.
`static ExpressionOperator`	`locate2()` INTERNAL: Build locate operator with 3 params i.e.
`static ExpressionOperator`	`log()` INTERNAL: Build operator.
`static ExpressionOperator`	`maximum()` INTERNAL: Create the MAXIMUM operator.
`static ExpressionOperator`	`minimum()` INTERNAL: Create the MINIMUM operator.
`static ExpressionOperator`	`mod()` INTERNAL: Build operator.
`static ExpressionOperator`	`monthsBetween()` INTERNAL: Build operator.
`static ExpressionOperator`	`negate()` INTERNAL: Build operator.
`Expression`	`newExpressionForArgument(Expression base, java.lang.Object singleArgument)` INTERNAL: Create a new expression.
`Expression`	`newExpressionForArguments(Expression base, java.util.List arguments)` INTERNAL: The general case.
`Expression`	`newExpressionForArgumentWithBaseLast(Expression base, java.lang.Object singleArgument)` INTERNAL: Create a new expression.
`static ExpressionOperator`	`newTime()` INTERNAL: Build operator.
`static ExpressionOperator`	`nextDay()` INTERNAL: Build operator.
`static ExpressionOperator`	`notExists()` INTERNAL: Create the NOT EXISTS operator.
`static ExpressionOperator`	`notIn()` INTERNAL: Create the NOTIN operator.
`static ExpressionOperator`	`notInSubQuery()` INTERNAL: Create the NOTIN operator taking a subQuery.
`static ExpressionOperator`	`notLike()` INTERNAL: Create the NOTLIKE operator.
`static ExpressionOperator`	`notLikeEscape()` INTERNAL: Create the LIKE operator with ESCAPE.
`static ExpressionOperator`	`notNull()` INTERNAL: Create the NOTNULL operator.
`static ExpressionOperator`	`notOperator()` INTERNAL: Create the NOT operator.
`static ExpressionOperator`	`nullIf()` INTERNAL: Build operator.
`static ExpressionOperator`	`nullsFirst()` INTERNAL: Create the NULLS FIRST ordering operator.
`static ExpressionOperator`	`nullsLast()` INTERNAL: Create the NULLS LAST ordering operator.
`static ExpressionOperator`	`or()` INTERNAL: Create the OR operator.
`static ExpressionOperator`	`oracleDateName()` INTERNAL: Oracle equivalent to DATENAME is TO_CHAR.
`static ExpressionOperator`	`power()` INTERNAL: Build operator.
`void`	`printCollection(java.util.Vector items, org.eclipse.persistence.internal.expressions.ExpressionSQLPrinter printer)` INTERNAL: Print the collection onto the SQL stream.
`void`	`printDuo(Expression first, Expression second, org.eclipse.persistence.internal.expressions.ExpressionSQLPrinter printer)` INTERNAL: For performance, special case printing two children, since it's by far the most common
`void`	`printJavaCollection(java.util.Vector items, org.eclipse.persistence.internal.expressions.ExpressionJavaPrinter printer)` INTERNAL: Print the collection onto the SQL stream.
`void`	`printJavaDuo(Expression first, Expression second, org.eclipse.persistence.internal.expressions.ExpressionJavaPrinter printer)` INTERNAL: For performance, special case printing two children, since it's by far the most common
`void`	`printsAs(java.lang.String s)` ADVANCED: Set the single string for this operator.
`void`	`printsAs(java.util.Vector dbStrings)` ADVANCED: Set the strings for this operator.
`void`	`printsJavaAs(java.lang.String s)` ADVANCED: Set the single string for this operator.
`void`	`printsJavaAs(java.util.Vector dbStrings)` ADVANCED: Set the strings for this operator.
`static ExpressionOperator`	`ref()` INTERNAL: Build operator.
`static ExpressionOperator`	`refToHex()` INTERNAL: Build operator.
`static ExpressionOperator`	`regexp()` INTERNAL: Create the REGEXP operator.
`static void`	`registerOperator(int selector, java.lang.String name)` ADVANCED: Define a name for a user defined operator.
`static ExpressionOperator`	`replace()` INTERNAL: Build operator.
`static ExpressionOperator`	`replicate()` INTERNAL: Build operator.
`static void`	`resetOperators()` INTERNAL: Reset all the operators.
`static ExpressionOperator`	`reverse()` INTERNAL: Build operator.
`static ExpressionOperator`	`right()` INTERNAL: Build operator.
`static ExpressionOperator`	`rightPad()` INTERNAL: Build operator.
`static ExpressionOperator`	`rightTrim()` INTERNAL: Build operator.
`static ExpressionOperator`	`rightTrim2()` INTERNAL: Build rightTrim operator that takes one parameter.
`static ExpressionOperator`	`round()` INTERNAL: Build operator.
`static ExpressionOperator`	`roundDate()` INTERNAL: Build operator.
`void`	`setArgumentIndices(int[] indices)` ADVANCED: Set the array of indexes to use when building the SQL function.
`void`	`setIsBindingSupported(boolean isBindingSupported)` PUBLIC: Set if binding is compatible with this operator.
`void`	`setName(java.lang.String name)` INTERNAL: Set the name.
`void`	`setNodeClass(java.lang.Class nodeClass)` ADVANCED: Set the node class for this operator.
`void`	`setSelector(int selector)` INTERNAL: Set the selector id.
`void`	`setType(int type)` ADVANCED: Set the type of function.
`static ExpressionOperator`	`sign()` INTERNAL: Build operator.
`static ExpressionOperator`	`simpleAggregate(int selector, java.lang.String databaseName, java.lang.String javaName)` INTERNAL: Create an operator for a simple aggregate given a Java name and a single String for the database (parentheses will be added automatically).
`static ExpressionOperator`	`simpleFunction(int selector, java.lang.String databaseName)` INTERNAL: Create an operator for a simple function given a Java name and a single String for the database (parentheses will be added automatically).
`static ExpressionOperator`	`simpleFunction(int selector, java.lang.String databaseName, java.lang.String javaName)` INTERNAL: Create an operator for a simple function given a Java name and a single String for the database (parentheses will be added automatically).
`static ExpressionOperator`	`simpleFunctionNoParentheses(int selector, java.lang.String databaseName)` INTERNAL: Create an operator for a simple function call without parentheses
`static ExpressionOperator`	`simpleLogical(int selector, java.lang.String databaseName, java.lang.String javaName)` INTERNAL: Create an operator for a simple logical given a Java name and a single String for the database (parentheses will be added automatically).
`static ExpressionOperator`	`simpleLogicalNoParens(int selector, java.lang.String dbString)` INTERNAL: e.g.: ...
`static ExpressionOperator`	`simpleMath(int selector, java.lang.String databaseName)` INTERNAL: Create an operator for a simple math operatin, i.e. +, -, *, /
`static ExpressionOperator`	`simpleOrdering(int selector, java.lang.String databaseName, java.lang.String javaName)` INTERNAL: Create an operator for a simple ordering given a Java name and a single String for the database (parentheses will be added automatically).
`static ExpressionOperator`	`simpleRelation(int selector, java.lang.String databaseName)` INTERNAL: Create an operator for a simple relation given a Java name and a single String for the database (parentheses will be added automatically).
`static ExpressionOperator`	`simpleRelation(int selector, java.lang.String databaseName, java.lang.String javaName)` INTERNAL: Create an operator for a simple relation given a Java name and a single String for the database (parentheses will be added automatically).
`static ExpressionOperator`	`simpleThreeArgumentFunction(int selector, java.lang.String dbString)` INTERNAL: Build operator.
`static ExpressionOperator`	`simpleTwoArgumentFunction(int selector, java.lang.String dbString)` INTERNAL: Build operator.
`static ExpressionOperator`	`sin()` INTERNAL: Build operator.
`static ExpressionOperator`	`sinh()` INTERNAL: Build operator.
`static ExpressionOperator`	`some()` INTERNAL: Create the SOME operator.
`static ExpressionOperator`	`soundex()` INTERNAL: Build operator.
`static ExpressionOperator`	`sqrt()` INTERNAL: Build operator.
`static ExpressionOperator`	`standardDeviation()` INTERNAL: Build operator.
`static ExpressionOperator`	`substring()` INTERNAL: Build operator.
`static ExpressionOperator`	`substringSingleArg()` INTERNAL: Build operator.
`static ExpressionOperator`	`sum()` INTERNAL: Create the SUM operator.
`static ExpressionOperator`	`sybaseAddMonthsOperator()` INTERNAL: Function, to add months to a date.
`static ExpressionOperator`	`sybaseAtan2Operator()` INTERNAL: Build operator.
`static ExpressionOperator`	`sybaseInStringOperator()` INTERNAL: Build instring operator
`static ExpressionOperator`	`sybaseLocate2Operator()` INTERNAL: Build the Sybase equivalent to Locate with a start index.
`static ExpressionOperator`	`sybaseLocateOperator()` INTERNAL: Build the Sybase equivalent to Locate
`static ExpressionOperator`	`sybaseToCharOperator()` INTERNAL: Build Sybase equivalent to TO_CHAR.
`static ExpressionOperator`	`sybaseToCharWithFormatOperator()` INTERNAL: Build Sybase equivalent to TO_CHAR.
`static ExpressionOperator`	`sybaseToDateOperator()` INTERNAL: Build Sybase equivalent to TO_DATE.
`static ExpressionOperator`	`sybaseToDateToStringOperator()` INTERNAL: Build Sybase equivalent to TO_CHAR.
`static ExpressionOperator`	`sybaseToNumberOperator()` INTERNAL: Build Sybase equivalent to TO_NUMBER.
`static ExpressionOperator`	`tan()` INTERNAL: Build operator.
`static ExpressionOperator`	`tanh()` INTERNAL: Build operator.
`static ExpressionOperator`	`toChar()` INTERNAL: Build operator.
`static ExpressionOperator`	`toCharWithFormat()` INTERNAL: Build operator.
`static ExpressionOperator`	`toDate()` INTERNAL: Build operator.
`static ExpressionOperator`	`today()` INTERNAL: Build operator.
`static ExpressionOperator`	`toLowerCase()` INTERNAL: Create the toLowerCase operator.
`static ExpressionOperator`	`toNumber()` INTERNAL: Build operator.
`java.lang.String`	`toString()` Print a debug representation of this operator.
`static ExpressionOperator`	`toUpperCase()` INTERNAL: Create the TOUPPERCASE operator.
`static ExpressionOperator`	`translate()` INTERNAL: Build operator.
`static ExpressionOperator`	`trim()` INTERNAL: Build operator.
`static ExpressionOperator`	`trim2()` INTERNAL: Build Trim operator.
`static ExpressionOperator`	`trunc()` INTERNAL: Build operator.
`static ExpressionOperator`	`truncateDate()` INTERNAL: Build operator.
`static ExpressionOperator`	`union()` INTERNAL: Create the UNION operator.
`static ExpressionOperator`	`unionAll()` INTERNAL: Create the UNION ALL operator.
`static ExpressionOperator`	`value()` INTERNAL: Build operator.
`static ExpressionOperator`	`variance()` INTERNAL: Build operator.

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - selector
```
protected int selector
```
  - name
```
protected java.lang.String name
```
  - databaseStrings
```
protected java.lang.String[] databaseStrings
```
  - isPrefix
```
protected boolean isPrefix
```
  - isRepeating
```
protected boolean isRepeating
```
  - nodeClass
```
protected java.lang.Class nodeClass
```
  - type
```
protected int type
```
  - argumentIndices
```
protected int[] argumentIndices
```
  - allOperators
```
protected static java.util.Map<java.lang.Integer,ExpressionOperator> allOperators
```
  - platformOperatorSelectors
```
protected static java.util.Map<java.lang.String,java.lang.Integer> platformOperatorSelectors
```
  - platformOperatorNames
```
protected static java.util.Map<java.lang.Integer,java.lang.String> platformOperatorNames
```
  - javaStrings
```
protected java.lang.String[] javaStrings
```
  - isBindingSupported
```
protected boolean isBindingSupported
```
    Allow operator to disable binding.
  - LogicalOperator
```
public static final int LogicalOperator
```
    Operator types
    
    See Also:
    Constant Field Values
  - ComparisonOperator
```
public static final int ComparisonOperator
```
    See Also:
    Constant Field Values
  - AggregateOperator
```
public static final int AggregateOperator
```
    See Also:
    Constant Field Values
  - OrderOperator
```
public static final int OrderOperator
```
    See Also:
    Constant Field Values
  - FunctionOperator
```
public static final int FunctionOperator
```
    See Also:
    Constant Field Values
  - And
```
public static final int And
```
    Logical operators
    
    See Also:
    Constant Field Values
  - Or
```
public static final int Or
```
    See Also:
    Constant Field Values
  - Not
```
public static final int Not
```
    See Also:
    Constant Field Values
  - Equal
```
public static final int Equal
```
    Comparison operators
    
    See Also:
    Constant Field Values
  - NotEqual
```
public static final int NotEqual
```
    See Also:
    Constant Field Values
  - EqualOuterJoin
```
public static final int EqualOuterJoin
```
    See Also:
    Constant Field Values
  - LessThan
```
public static final int LessThan
```
    See Also:
    Constant Field Values
  - LessThanEqual
```
public static final int LessThanEqual
```
    See Also:
    Constant Field Values
  - GreaterThan
```
public static final int GreaterThan
```
    See Also:
    Constant Field Values
  - GreaterThanEqual
```
public static final int GreaterThanEqual
```
    See Also:
    Constant Field Values
  - Like
```
public static final int Like
```
    See Also:
    Constant Field Values
  - NotLike
```
public static final int NotLike
```
    See Also:
    Constant Field Values
  - In
```
public static final int In
```
    See Also:
    Constant Field Values
  - InSubQuery
```
public static final int InSubQuery
```
    See Also:
    Constant Field Values
  - NotIn
```
public static final int NotIn
```
    See Also:
    Constant Field Values
  - NotInSubQuery
```
public static final int NotInSubQuery
```
    See Also:
    Constant Field Values
  - Between
```
public static final int Between
```
    See Also:
    Constant Field Values
  - NotBetween
```
public static final int NotBetween
```
    See Also:
    Constant Field Values
  - IsNull
```
public static final int IsNull
```
    See Also:
    Constant Field Values
  - NotNull
```
public static final int NotNull
```
    See Also:
    Constant Field Values
  - Exists
```
public static final int Exists
```
    See Also:
    Constant Field Values
  - NotExists
```
public static final int NotExists
```
    See Also:
    Constant Field Values
  - LikeEscape
```
public static final int LikeEscape
```
    See Also:
    Constant Field Values
  - NotLikeEscape
```
public static final int NotLikeEscape
```
    See Also:
    Constant Field Values
  - Decode
```
public static final int Decode
```
    See Also:
    Constant Field Values
  - Case
```
public static final int Case
```
    See Also:
    Constant Field Values
  - NullIf
```
public static final int NullIf
```
    See Also:
    Constant Field Values
  - Coalesce
```
public static final int Coalesce
```
    See Also:
    Constant Field Values
  - CaseCondition
```
public static final int CaseCondition
```
    See Also:
    Constant Field Values
  - Regexp
```
public static final int Regexp
```
    See Also:
    Constant Field Values
  - Count
```
public static final int Count
```
    Aggregate operators
    
    See Also:
    Constant Field Values
  - Sum
```
public static final int Sum
```
    See Also:
    Constant Field Values
  - Average
```
public static final int Average
```
    See Also:
    Constant Field Values
  - Maximum
```
public static final int Maximum
```
    See Also:
    Constant Field Values
  - Minimum
```
public static final int Minimum
```
    See Also:
    Constant Field Values
  - StandardDeviation
```
public static final int StandardDeviation
```
    See Also:
    Constant Field Values
  - Variance
```
public static final int Variance
```
    See Also:
    Constant Field Values
  - Distinct
```
public static final int Distinct
```
    See Also:
    Constant Field Values
  - As
```
public static final int As
```
    See Also:
    Constant Field Values
  - Union
```
public static final int Union
```
    Union operators
    
    See Also:
    Constant Field Values
  - UnionAll
```
public static final int UnionAll
```
    See Also:
    Constant Field Values
  - Intersect
```
public static final int Intersect
```
    See Also:
    Constant Field Values
  - IntersectAll
```
public static final int IntersectAll
```
    See Also:
    Constant Field Values
  - Except
```
public static final int Except
```
    See Also:
    Constant Field Values
  - ExceptAll
```
public static final int ExceptAll
```
    See Also:
    Constant Field Values
  - Ascending
```
public static final int Ascending
```
    Ordering operators
    
    See Also:
    Constant Field Values
  - Descending
```
public static final int Descending
```
    See Also:
    Constant Field Values
  - NullsFirst
```
public static final int NullsFirst
```
    See Also:
    Constant Field Values
  - NullsLast
```
public static final int NullsLast
```
    See Also:
    Constant Field Values
  - ToUpperCase
```
public static final int ToUpperCase
```
    Function operators
    
    See Also:
    Constant Field Values
  - ToLowerCase
```
public static final int ToLowerCase
```
    See Also:
    Constant Field Values
  - Chr
```
public static final int Chr
```
    See Also:
    Constant Field Values
  - Concat
```
public static final int Concat
```
    See Also:
    Constant Field Values
  - HexToRaw
```
public static final int HexToRaw
```
    See Also:
    Constant Field Values
  - Initcap
```
public static final int Initcap
```
    See Also:
    Constant Field Values
  - Instring
```
public static final int Instring
```
    See Also:
    Constant Field Values
  - Soundex
```
public static final int Soundex
```
    See Also:
    Constant Field Values
  - LeftPad
```
public static final int LeftPad
```
    See Also:
    Constant Field Values
  - LeftTrim
```
public static final int LeftTrim
```
    See Also:
    Constant Field Values
  - Replace
```
public static final int Replace
```
    See Also:
    Constant Field Values
  - RightPad
```
public static final int RightPad
```
    See Also:
    Constant Field Values
  - RightTrim
```
public static final int RightTrim
```
    See Also:
    Constant Field Values
  - Substring
```
public static final int Substring
```
    See Also:
    Constant Field Values
  - ToNumber
```
public static final int ToNumber
```
    See Also:
    Constant Field Values
  - Translate
```
public static final int Translate
```
    See Also:
    Constant Field Values
  - Trim
```
public static final int Trim
```
    See Also:
    Constant Field Values
  - Ascii
```
public static final int Ascii
```
    See Also:
    Constant Field Values
  - Length
```
public static final int Length
```
    See Also:
    Constant Field Values
  - CharIndex
```
public static final int CharIndex
```
    See Also:
    Constant Field Values
  - CharLength
```
public static final int CharLength
```
    See Also:
    Constant Field Values
  - Difference
```
public static final int Difference
```
    See Also:
    Constant Field Values
  - Reverse
```
public static final int Reverse
```
    See Also:
    Constant Field Values
  - Replicate
```
public static final int Replicate
```
    See Also:
    Constant Field Values
  - Right
```
public static final int Right
```
    See Also:
    Constant Field Values
  - Locate
```
public static final int Locate
```
    See Also:
    Constant Field Values
  - Locate2
```
public static final int Locate2
```
    See Also:
    Constant Field Values
  - ToChar
```
public static final int ToChar
```
    See Also:
    Constant Field Values
  - ToCharWithFormat
```
public static final int ToCharWithFormat
```
    See Also:
    Constant Field Values
  - RightTrim2
```
public static final int RightTrim2
```
    See Also:
    Constant Field Values
  - Any
```
public static final int Any
```
    See Also:
    Constant Field Values
  - Some
```
public static final int Some
```
    See Also:
    Constant Field Values
  - All
```
public static final int All
```
    See Also:
    Constant Field Values
  - Trim2
```
public static final int Trim2
```
    See Also:
    Constant Field Values
  - LeftTrim2
```
public static final int LeftTrim2
```
    See Also:
    Constant Field Values
  - SubstringSingleArg
```
public static final int SubstringSingleArg
```
    See Also:
    Constant Field Values
  - Cast
```
public static final int Cast
```
    See Also:
    Constant Field Values
  - Extract
```
public static final int Extract
```
    See Also:
    Constant Field Values
  - AddMonths
```
public static final int AddMonths
```
    See Also:
    Constant Field Values
  - DateToString
```
public static final int DateToString
```
    See Also:
    Constant Field Values
  - LastDay
```
public static final int LastDay
```
    See Also:
    Constant Field Values
  - MonthsBetween
```
public static final int MonthsBetween
```
    See Also:
    Constant Field Values
  - NextDay
```
public static final int NextDay
```
    See Also:
    Constant Field Values
  - RoundDate
```
public static final int RoundDate
```
    See Also:
    Constant Field Values
  - ToDate
```
public static final int ToDate
```
    See Also:
    Constant Field Values
  - Today
```
public static final int Today
```
    Function to obtain the current timestamp on the database including date and time components. This corresponds to the JPQL function current_timestamp.
    
    See Also:
    Constant Field Values
  - AddDate
```
public static final int AddDate
```
    See Also:
    Constant Field Values
  - DateName
```
public static final int DateName
```
    See Also:
    Constant Field Values
  - DatePart
```
public static final int DatePart
```
    See Also:
    Constant Field Values
  - DateDifference
```
public static final int DateDifference
```
    See Also:
    Constant Field Values
  - TruncateDate
```
public static final int TruncateDate
```
    See Also:
    Constant Field Values
  - NewTime
```
public static final int NewTime
```
    See Also:
    Constant Field Values
  - Nvl
```
public static final int Nvl
```
    See Also:
    Constant Field Values
  - CurrentDate
```
public static final int CurrentDate
```
    Function to obtain the current date on the database with date components only but without time components. This corresponds to the JPQL function current_date.
    
    See Also:
    Constant Field Values
  - CurrentTime
```
public static final int CurrentTime
```
    Function to obtain the current time on the database with time components only but without date components. This corresponds to the JPQL function current_time.
    
    See Also:
    Constant Field Values
  - Ceil
```
public static final int Ceil
```
    See Also:
    Constant Field Values
  - Cos
```
public static final int Cos
```
    See Also:
    Constant Field Values
  - Cosh
```
public static final int Cosh
```
    See Also:
    Constant Field Values
  - Abs
```
public static final int Abs
```
    See Also:
    Constant Field Values
  - Acos
```
public static final int Acos
```
    See Also:
    Constant Field Values
  - Asin
```
public static final int Asin
```
    See Also:
    Constant Field Values
  - Atan
```
public static final int Atan
```
    See Also:
    Constant Field Values
  - Exp
```
public static final int Exp
```
    See Also:
    Constant Field Values
  - Sqrt
```
public static final int Sqrt
```
    See Also:
    Constant Field Values
  - Floor
```
public static final int Floor
```
    See Also:
    Constant Field Values
  - Ln
```
public static final int Ln
```
    See Also:
    Constant Field Values
  - Log
```
public static final int Log
```
    See Also:
    Constant Field Values
  - Mod
```
public static final int Mod
```
    See Also:
    Constant Field Values
  - Power
```
public static final int Power
```
    See Also:
    Constant Field Values
  - Round
```
public static final int Round
```
    See Also:
    Constant Field Values
  - Sign
```
public static final int Sign
```
    See Also:
    Constant Field Values
  - Sin
```
public static final int Sin
```
    See Also:
    Constant Field Values
  - Sinh
```
public static final int Sinh
```
    See Also:
    Constant Field Values
  - Tan
```
public static final int Tan
```
    See Also:
    Constant Field Values
  - Tanh
```
public static final int Tanh
```
    See Also:
    Constant Field Values
  - Trunc
```
public static final int Trunc
```
    See Also:
    Constant Field Values
  - Greatest
```
public static final int Greatest
```
    See Also:
    Constant Field Values
  - Least
```
public static final int Least
```
    See Also:
    Constant Field Values
  - Add
```
public static final int Add
```
    See Also:
    Constant Field Values
  - Subtract
```
public static final int Subtract
```
    See Also:
    Constant Field Values
  - Divide
```
public static final int Divide
```
    See Also:
    Constant Field Values
  - Multiply
```
public static final int Multiply
```
    See Also:
    Constant Field Values
  - Atan2
```
public static final int Atan2
```
    See Also:
    Constant Field Values
  - Cot
```
public static final int Cot
```
    See Also:
    Constant Field Values
  - Negate
```
public static final int Negate
```
    See Also:
    Constant Field Values
  - Deref
```
public static final int Deref
```
    See Also:
    Constant Field Values
  - Ref
```
public static final int Ref
```
    See Also:
    Constant Field Values
  - RefToHex
```
public static final int RefToHex
```
    See Also:
    Constant Field Values
  - Value
```
public static final int Value
```
    See Also:
    Constant Field Values
  - ExtractXml
```
public static final int ExtractXml
```
    See Also:
    Constant Field Values
  - ExtractValue
```
public static final int ExtractValue
```
    See Also:
    Constant Field Values
  - ExistsNode
```
public static final int ExistsNode
```
    See Also:
    Constant Field Values
  - GetStringVal
```
public static final int GetStringVal
```
    See Also:
    Constant Field Values
  - GetNumberVal
```
public static final int GetNumberVal
```
    See Also:
    Constant Field Values
  - IsFragment
```
public static final int IsFragment
```
    See Also:
    Constant Field Values
  - SDO_WITHIN_DISTANCE
```
public static final int SDO_WITHIN_DISTANCE
```
    See Also:
    Constant Field Values
  - SDO_RELATE
```
public static final int SDO_RELATE
```
    See Also:
    Constant Field Values
  - SDO_FILTER
```
public static final int SDO_FILTER
```
    See Also:
    Constant Field Values
  - SDO_NN
```
public static final int SDO_NN
```
    See Also:
    Constant Field Values
- Constructor Detail
  - ExpressionOperator
```
public ExpressionOperator()
```
    ADVANCED: Create a new operator.
  - ExpressionOperator
```
public ExpressionOperator(int selector,
                  java.util.Vector newDatabaseStrings)
```
    ADVANCED: Create a new operator with the given name(s) and strings to print.
- Method Detail
  - isBindingSupported
```
public boolean isBindingSupported()
```
    PUBLIC: Return if binding is compatible with this operator.
  - setIsBindingSupported
```
public void setIsBindingSupported(boolean isBindingSupported)
```
    PUBLIC: Set if binding is compatible with this operator. Some databases do not allow binding, or require casting with certain operators.
  - equals
```
public boolean equals(java.lang.Object object)
```
    INTERNAL: Return if the operator is equal to the other.
    
    Overrides:
    
    equals in class java.lang.Object
  - hashCode
```
public int hashCode()
```
    INTERNAL: Return the hash-code based on the unique selector.
    
    Overrides:
    
    hashCode in class java.lang.Object
  - abs
```
public static ExpressionOperator abs()
```
    INTERNAL: Build operator.
  - acos
```
public static ExpressionOperator acos()
```
    INTERNAL: Build operator.
  - addDate
```
public static ExpressionOperator addDate()
```
    INTERNAL: Build operator.
  - addMonths
```
public static ExpressionOperator addMonths()
```
    INTERNAL: Build operator.
  - addOperator
```
public static void addOperator(ExpressionOperator exOperator)
```
    ADVANCED: Add an operator to the global list of operators.
  - registerOperator
```
public static void registerOperator(int selector,
                    java.lang.String name)
```
    ADVANCED: Define a name for a user defined operator.
  - and
```
public static ExpressionOperator and()
```
    INTERNAL: Create the AND operator.
  - applyFunction
```
public java.lang.Object applyFunction(java.lang.Object source,
                             java.util.Vector arguments)
```
    INTERNAL: Apply this to an object in memory. Throw an error if the function is not supported.
  - ascending
```
public static ExpressionOperator ascending()
```
    INTERNAL: Create the ASCENDING operator.
  - as
```
public static ExpressionOperator as()
```
    INTERNAL: Create the AS operator.
  - nullsFirst
```
public static ExpressionOperator nullsFirst()
```
    INTERNAL: Create the NULLS FIRST ordering operator.
  - nullsLast
```
public static ExpressionOperator nullsLast()
```
    INTERNAL: Create the NULLS LAST ordering operator.
  - ascii
```
public static ExpressionOperator ascii()
```
    INTERNAL: Build operator.
  - asin
```
public static ExpressionOperator asin()
```
    INTERNAL: Build operator.
  - atan
```
public static ExpressionOperator atan()
```
    INTERNAL: Build operator.
  - average
```
public static ExpressionOperator average()
```
    INTERNAL: Create the AVERAGE operator.
  - bePostfix
```
public void bePostfix()
```
    ADVANCED: Tell the operator to be postfix, i.e. its strings start printing after those of its first argument.
  - bePrefix
```
public void bePrefix()
```
    ADVANCED: Tell the operator to be pretfix, i.e. its strings start printing before those of its first argument.
  - beRepeating
```
public void beRepeating()
```
    INTERNAL: Make this a repeating argument. Currently unused.
  - between
```
public static ExpressionOperator between()
```
    INTERNAL: Create the BETWEEN Operator
  - caseStatement
```
public static ExpressionOperator caseStatement()
```
    INTERNAL: Build operator. Note: This operator works differently from other operators.
    
    See Also:
    Expression.caseStatement(Map, Object)
  - caseConditionStatement
```
public static ExpressionOperator caseConditionStatement()
```
    INTERNAL: Build operator. Note: This operator works differently from other operators.
    
    See Also:
    Expression.caseStatement(Map, Object)
  - ceil
```
public static ExpressionOperator ceil()
```
    INTERNAL: Build operator.
  - charIndex
```
public static ExpressionOperator charIndex()
```
    INTERNAL: Build operator.
  - charLength
```
public static ExpressionOperator charLength()
```
    INTERNAL: Build operator.
  - chr
```
public static ExpressionOperator chr()
```
    INTERNAL: Build operator.
  - coalesce
```
public static ExpressionOperator coalesce()
```
    INTERNAL: Build operator. Note: This operator works differently from other operators.
    
    See Also:
    Expression.caseStatement(Map, Object)
  - concat
```
public static ExpressionOperator concat()
```
    INTERNAL: Build operator.
  - conformBetween
```
public boolean conformBetween(java.lang.Object left,
                     java.lang.Object right)
```
    INTERNAL: Compare between in memory.
  - conformLike
```
public boolean conformLike(java.lang.Object left,
                  java.lang.Object right)
```
    INTERNAL: Compare like in memory. This only works for % not _.
    
    Author:
    
    Christian Weeks aka ChristianLink
  - copyTo
```
public void copyTo(ExpressionOperator operator)
```
  - cos
```
public static ExpressionOperator cos()
```
    INTERNAL: Build operator.
  - cosh
```
public static ExpressionOperator cosh()
```
    INTERNAL: Build operator.
  - cot
```
public static ExpressionOperator cot()
```
    INTERNAL: Build operator.
  - count
```
public static ExpressionOperator count()
```
    INTERNAL: Create the COUNT operator.
  - dateDifference
```
public static ExpressionOperator dateDifference()
```
    INTERNAL: Build operator.
  - dateName
```
public static ExpressionOperator dateName()
```
    INTERNAL: Build operator.
  - oracleDateName
```
public static ExpressionOperator oracleDateName()
```
    INTERNAL: Oracle equivalent to DATENAME is TO_CHAR.
  - datePart
```
public static ExpressionOperator datePart()
```
    INTERNAL: Build operator.
  - dateToString
```
public static ExpressionOperator dateToString()
```
    INTERNAL: Build operator.
  - toChar
```
public static ExpressionOperator toChar()
```
    INTERNAL: Build operator.
  - toCharWithFormat
```
public static ExpressionOperator toCharWithFormat()
```
    INTERNAL: Build operator.
  - decode
```
public static ExpressionOperator decode()
```
    INTERNAL: Build operator. Note: This operator works differently from other operators.
    
    See Also:
    Expression.decode(Map, String)
  - deref
```
public static ExpressionOperator deref()
```
    INTERNAL: Build operator.
  - descending
```
public static ExpressionOperator descending()
```
    INTERNAL: Create the DESCENDING operator.
  - difference
```
public static ExpressionOperator difference()
```
    INTERNAL: Build operator.
  - distinct
```
public static ExpressionOperator distinct()
```
    INTERNAL: Create the DISTINCT operator.
  - doesRelationConform
```
public boolean doesRelationConform(java.lang.Object left,
                          java.lang.Object right)
```
    INTERNAL: Compare the values in memory. Used for in-memory querying, all operators are not support.
  - equalOuterJoin
```
public static ExpressionOperator equalOuterJoin()
```
    INTERNAL: Initialize the outer join operator Note: This is merely a shell which is incomplete, and so will be replaced by the platform's operator when we go to print. We need to create this here so that the expression class is correct, normally it assumes functions for unknown operators.
  - exists
```
public static ExpressionOperator exists()
```
    INTERNAL: Create the EXISTS operator.
  - exp
```
public static ExpressionOperator exp()
```
    INTERNAL: Build operator.
  - expressionFor
```
public Expression expressionFor(Expression base)
```
    INTERNAL: Create an expression for this operator, using the given base.
  - expressionFor
```
public Expression expressionFor(Expression base,
                       java.lang.Object value)
```
    INTERNAL: Create an expression for this operator, using the given base and a single argument.
  - expressionForWithBaseLast
```
public Expression expressionForWithBaseLast(Expression base,
                                   java.lang.Object value)
```
    INTERNAL: Create an expression for this operator, using the given base and a single argument. Base is used last in the expression
  - expressionForArguments
```
@Deprecated
public Expression expressionForArguments(Expression base,
                                           java.util.Vector arguments)
```
    Deprecated.
    
    INTERNAL: Create an expression for this operator, using the given base and arguments.
  - expressionForArguments
```
public Expression expressionForArguments(Expression base,
                                java.util.List arguments)
```
    INTERNAL: Create an expression for this operator, using the given base and arguments.
  - extractXml
```
public static ExpressionOperator extractXml()
```
    INTERNAL: Create the extract expression operator
  - extractValue
```
public static ExpressionOperator extractValue()
```
    INTERNAL: Create the extractValue expression operator
  - existsNode
```
public static ExpressionOperator existsNode()
```
    INTERNAL: Create the existsNode expression operator
  - getStringVal
```
public static ExpressionOperator getStringVal()
```
  - getNumberVal
```
public static ExpressionOperator getNumberVal()
```
  - isFragment
```
public static ExpressionOperator isFragment()
```
  - floor
```
public static ExpressionOperator floor()
```
    INTERNAL: Build operator.
  - getAllOperators
```
public static java.util.Map<java.lang.Integer,ExpressionOperator> getAllOperators()
```
    ADVANCED: Return the map of all operators.
  - getPlatformOperatorSelectors
```
public static java.util.Map<java.lang.String,java.lang.Integer> getPlatformOperatorSelectors()
```
  - getDatabaseStrings
```
public java.lang.String[] getDatabaseStrings()
```
    INTERNAL:
  - getJavaStrings
```
public java.lang.String[] getJavaStrings()
```
    INTERNAL:
  - getNodeClass
```
public java.lang.Class getNodeClass()
```
    INTERNAL:
  - getOperator
```
public static ExpressionOperator getOperator(java.lang.Integer selector)
```
    INTERNAL: Lookup the operator with the given id.
  - getSelector
```
public int getSelector()
```
    INTERNAL: Return the selector id.
  - getName
```
public java.lang.String getName()
```
    INTERNAL: Return the name.
  - setName
```
public void setName(java.lang.String name)
```
    INTERNAL: Set the name.
  - getType
```
public int getType()
```
    ADVANCED: Return the type of function. This must be one of the static function types defined in this class.
  - greatest
```
public static ExpressionOperator greatest()
```
    INTERNAL: Build operator.
  - hexToRaw
```
public static ExpressionOperator hexToRaw()
```
    INTERNAL: Build operator.
  - ifNull
```
public static ExpressionOperator ifNull()
```
    INTERNAL: Build operator.
  - in
```
public static ExpressionOperator in()
```
    INTERNAL: Create the IN operator.
  - inSubQuery
```
public static ExpressionOperator inSubQuery()
```
    INTERNAL: Create the IN operator taking a subquery. Note, the subquery itself comes with parenethesis, so the IN operator should not add any parenethesis.
  - initcap
```
public static ExpressionOperator initcap()
```
    INTERNAL: Build operator.
  - initializeAggregateFunctionOperators
```
protected static void initializeAggregateFunctionOperators()
```
    INTERNAL:
  - initializeFunctionOperators
```
protected static void initializeFunctionOperators()
```
    INTERNAL:
  - initializeLogicalOperators
```
protected static void initializeLogicalOperators()
```
    INTERNAL:
  - initializeOperators
```
public static java.util.Map initializeOperators()
```
    INTERNAL:
  - getPlatformOperatorName
```
public static java.lang.String getPlatformOperatorName(int operator)
```
    INTERNAL: Initialize a mapping to the platform operator names for usage with exceptions.
  - getPlatformOperatorNames
```
public static java.util.Map getPlatformOperatorNames()
```
    INTERNAL: Initialize a mapping to the platform operator names for usage with exceptions.
  - initializePlatformOperatorNames
```
public static java.util.Map<java.lang.Integer,java.lang.String> initializePlatformOperatorNames()
```
    INTERNAL: Initialize a mapping to the platform operator names for usage with exceptions.
  - initializePlatformOperatorSelectors
```
public static java.util.Map<java.lang.String,java.lang.Integer> initializePlatformOperatorSelectors()
```
    INTERNAL: Initialize a mapping to the platform operator names for usage with exceptions.
  - initializeRelationOperators
```
protected static void initializeRelationOperators()
```
    INTERNAL:
  - instring
```
public static ExpressionOperator instring()
```
    INTERNAL: Build operator.
  - isAggregateOperator
```
public boolean isAggregateOperator()
```
    Aggregate functions are function in the select such as COUNT.
  - isComparisonOperator
```
public boolean isComparisonOperator()
```
    Comparison functions are functions such as = and >.
  - isComplete
```
public boolean isComplete()
```
    INTERNAL: If we have all the required information, this operator is complete and can be used as is. Otherwise we will need to look up a platform- specific operator.
  - isFunctionOperator
```
public boolean isFunctionOperator()
```
    General functions are any normal function such as UPPER.
  - isLogicalOperator
```
public boolean isLogicalOperator()
```
    Logical functions are functions such as and and or.
  - isNull
```
public static ExpressionOperator isNull()
```
    INTERNAL: Create the ISNULL operator.
  - isOrderOperator
```
public boolean isOrderOperator()
```
    Order functions are used in the order by such as ASC.
  - isPrefix
```
public boolean isPrefix()
```
    ADVANCED: Return true if this is a prefix operator.
  - lastDay
```
public static ExpressionOperator lastDay()
```
    INTERNAL: Build operator.
  - least
```
public static ExpressionOperator least()
```
    INTERNAL: Build operator.
  - leftPad
```
public static ExpressionOperator leftPad()
```
    INTERNAL: Build operator.
  - leftTrim
```
public static ExpressionOperator leftTrim()
```
    INTERNAL: Build operator.
  - leftTrim2
```
public static ExpressionOperator leftTrim2()
```
    INTERNAL: Build leftTrim operator that takes one parameter.
  - length
```
public static ExpressionOperator length()
```
    INTERNAL: Build operator.
  - like
```
public static ExpressionOperator like()
```
    INTERNAL: Create the LIKE operator.
  - regexp
```
public static ExpressionOperator regexp()
```
    INTERNAL: Create the REGEXP operator. REGEXP allows for comparison through regular expression, this is supported by many databases and with be part of the next SQL standard.
  - likeEscape
```
public static ExpressionOperator likeEscape()
```
    INTERNAL: Create the LIKE operator with ESCAPE.
  - notLikeEscape
```
public static ExpressionOperator notLikeEscape()
```
    INTERNAL: Create the LIKE operator with ESCAPE.
  - ln
```
public static ExpressionOperator ln()
```
    INTERNAL: Build operator.
  - locate
```
public static ExpressionOperator locate()
```
    INTERNAL: Build locate operator i.e. LOCATE("ob", t0.F_NAME)
  - locate2
```
public static ExpressionOperator locate2()
```
    INTERNAL: Build locate operator with 3 params i.e. LOCATE("coffee", t0.DESCRIP, 4). Last parameter is a start at.
  - log
```
public static ExpressionOperator log()
```
    INTERNAL: Build operator.
  - maximum
```
public static ExpressionOperator maximum()
```
    INTERNAL: Create the MAXIMUM operator.
  - minimum
```
public static ExpressionOperator minimum()
```
    INTERNAL: Create the MINIMUM operator.
  - mod
```
public static ExpressionOperator mod()
```
    INTERNAL: Build operator.
  - monthsBetween
```
public static ExpressionOperator monthsBetween()
```
    INTERNAL: Build operator.
  - newExpressionForArgument
```
public Expression newExpressionForArgument(Expression base,
                                  java.lang.Object singleArgument)
```
    INTERNAL: Create a new expression. Optimized for the single argument case.
  - createNode
```
protected Expression createNode()
```
    INTERNAL: Instantiate an instance of the operator's node class.
  - newExpressionForArgumentWithBaseLast
```
public Expression newExpressionForArgumentWithBaseLast(Expression base,
                                              java.lang.Object singleArgument)
```
    INTERNAL: Create a new expression. Optimized for the single argument case with base last
  - newExpressionForArguments
```
public Expression newExpressionForArguments(Expression base,
                                   java.util.List arguments)
```
    INTERNAL: The general case.
  - negate
```
public static ExpressionOperator negate()
```
    INTERNAL: Build operator.
  - newTime
```
public static ExpressionOperator newTime()
```
    INTERNAL: Build operator.
  - nextDay
```
public static ExpressionOperator nextDay()
```
    INTERNAL: Build operator.
  - notExists
```
public static ExpressionOperator notExists()
```
    INTERNAL: Create the NOT EXISTS operator.
  - notIn
```
public static ExpressionOperator notIn()
```
    INTERNAL: Create the NOTIN operator.
  - notInSubQuery
```
public static ExpressionOperator notInSubQuery()
```
    INTERNAL: Create the NOTIN operator taking a subQuery. Note, the subquery itself comes with parenethesis, so the IN operator should not add any parenethesis.
  - notLike
```
public static ExpressionOperator notLike()
```
    INTERNAL: Create the NOTLIKE operator.
  - notNull
```
public static ExpressionOperator notNull()
```
    INTERNAL: Create the NOTNULL operator.
  - notOperator
```
public static ExpressionOperator notOperator()
```
    INTERNAL: Create the NOT operator.
  - nullIf
```
public static ExpressionOperator nullIf()
```
    INTERNAL: Build operator.
  - or
```
public static ExpressionOperator or()
```
    INTERNAL: Create the OR operator.
  - power
```
public static ExpressionOperator power()
```
    INTERNAL: Build operator.
  - printCollection
```
public void printCollection(java.util.Vector items,
                   org.eclipse.persistence.internal.expressions.ExpressionSQLPrinter printer)
```
    INTERNAL: Print the collection onto the SQL stream.
  - printJavaCollection
```
public void printJavaCollection(java.util.Vector items,
                       org.eclipse.persistence.internal.expressions.ExpressionJavaPrinter printer)
```
    INTERNAL: Print the collection onto the SQL stream.
  - printDuo
```
public void printDuo(Expression first,
            Expression second,
            org.eclipse.persistence.internal.expressions.ExpressionSQLPrinter printer)
```
    INTERNAL: For performance, special case printing two children, since it's by far the most common
  - printJavaDuo
```
public void printJavaDuo(Expression first,
                Expression second,
                org.eclipse.persistence.internal.expressions.ExpressionJavaPrinter printer)
```
    INTERNAL: For performance, special case printing two children, since it's by far the most common
  - printsAs
```
public void printsAs(java.lang.String s)
```
    ADVANCED: Set the single string for this operator.
  - printsAs
```
public void printsAs(java.util.Vector dbStrings)
```
    ADVANCED: Set the strings for this operator.
  - printsJavaAs
```
public void printsJavaAs(java.lang.String s)
```
    ADVANCED: Set the single string for this operator.
  - printsJavaAs
```
public void printsJavaAs(java.util.Vector dbStrings)
```
    ADVANCED: Set the strings for this operator.
  - ref
```
public static ExpressionOperator ref()
```
    INTERNAL: Build operator.
  - refToHex
```
public static ExpressionOperator refToHex()
```
    INTERNAL: Build operator.
  - replace
```
public static ExpressionOperator replace()
```
    INTERNAL: Build operator.
  - replicate
```
public static ExpressionOperator replicate()
```
    INTERNAL: Build operator.
  - resetOperators
```
public static void resetOperators()
```
    INTERNAL: Reset all the operators.
  - reverse
```
public static ExpressionOperator reverse()
```
    INTERNAL: Build operator.
  - right
```
public static ExpressionOperator right()
```
    INTERNAL: Build operator.
  - rightPad
```
public static ExpressionOperator rightPad()
```
    INTERNAL: Build operator.
  - rightTrim
```
public static ExpressionOperator rightTrim()
```
    INTERNAL: Build operator.
  - rightTrim2
```
public static ExpressionOperator rightTrim2()
```
    INTERNAL: Build rightTrim operator that takes one parameter.
    
    Related Bugs:
    
    2916893 rightTrim(substring) broken.
  - round
```
public static ExpressionOperator round()
```
    INTERNAL: Build operator.
  - roundDate
```
public static ExpressionOperator roundDate()
```
    INTERNAL: Build operator.
  - setArgumentIndices
```
public void setArgumentIndices(int[] indices)
```
    ADVANCED: Set the array of indexes to use when building the SQL function. The index of the array is the position in the printout, from left to right, starting with zero. The value of the array entry is the number of the argument to print at that particular output position. So each argument can be used zero, one or many times.
  - setNodeClass
```
public void setNodeClass(java.lang.Class nodeClass)
```
    ADVANCED: Set the node class for this operator. For user-defined functions this is set automatically but can be changed.
    A list of Operator types, an example, and the node class used follows.
    LogicalOperator AND LogicalExpression
    ComparisonOperator <> RelationExpression
    AggregateOperator COUNT FunctionExpression
    OrderOperator ASCENDING "
    FunctionOperator RTRIM "
    Node classes given belong to org.eclipse.persistence.internal.expressions.
  - setSelector
```
public void setSelector(int selector)
```
    INTERNAL: Set the selector id.
  - setType
```
public void setType(int type)
```
    ADVANCED: Set the type of function. This must be one of the static function types defined in this class.
  - sign
```
public static ExpressionOperator sign()
```
    INTERNAL: Build operator.
  - simpleAggregate
```
public static ExpressionOperator simpleAggregate(int selector,
                                 java.lang.String databaseName,
                                 java.lang.String javaName)
```
    INTERNAL: Create an operator for a simple aggregate given a Java name and a single String for the database (parentheses will be added automatically).
  - simpleFunction
```
public static ExpressionOperator simpleFunction(int selector,
                                java.lang.String databaseName)
```
    INTERNAL: Create an operator for a simple function given a Java name and a single String for the database (parentheses will be added automatically).
  - simpleFunctionNoParentheses
```
public static ExpressionOperator simpleFunctionNoParentheses(int selector,
                                             java.lang.String databaseName)
```
    INTERNAL: Create an operator for a simple function call without parentheses
  - simpleFunction
```
public static ExpressionOperator simpleFunction(int selector,
                                java.lang.String databaseName,
                                java.lang.String javaName)
```
    INTERNAL: Create an operator for a simple function given a Java name and a single String for the database (parentheses will be added automatically).
  - simpleLogical
```
public static ExpressionOperator simpleLogical(int selector,
                               java.lang.String databaseName,
                               java.lang.String javaName)
```
    INTERNAL: Create an operator for a simple logical given a Java name and a single String for the database (parentheses will be added automatically).
  - simpleMath
```
public static ExpressionOperator simpleMath(int selector,
                            java.lang.String databaseName)
```
    INTERNAL: Create an operator for a simple math operatin, i.e. +, -, *, /
  - simpleOrdering
```
public static ExpressionOperator simpleOrdering(int selector,
                                java.lang.String databaseName,
                                java.lang.String javaName)
```
    INTERNAL: Create an operator for a simple ordering given a Java name and a single String for the database (parentheses will be added automatically).
  - simpleRelation
```
public static ExpressionOperator simpleRelation(int selector,
                                java.lang.String databaseName)
```
    INTERNAL: Create an operator for a simple relation given a Java name and a single String for the database (parentheses will be added automatically).
  - simpleRelation
```
public static ExpressionOperator simpleRelation(int selector,
                                java.lang.String databaseName,
                                java.lang.String javaName)
```
    INTERNAL: Create an operator for a simple relation given a Java name and a single String for the database (parentheses will be added automatically).
  - simpleThreeArgumentFunction
```
public static ExpressionOperator simpleThreeArgumentFunction(int selector,
                                             java.lang.String dbString)
```
    INTERNAL: Build operator.
  - simpleTwoArgumentFunction
```
public static ExpressionOperator simpleTwoArgumentFunction(int selector,
                                           java.lang.String dbString)
```
    INTERNAL: Build operator.
  - simpleLogicalNoParens
```
public static ExpressionOperator simpleLogicalNoParens(int selector,
                                       java.lang.String dbString)
```
    INTERNAL: e.g.: ... "Bob" CONCAT "Smith" ... Parentheses will not be addded. [RMB - March 5 2000]
  - sin
```
public static ExpressionOperator sin()
```
    INTERNAL: Build operator.
  - sinh
```
public static ExpressionOperator sinh()
```
    INTERNAL: Build operator.
  - soundex
```
public static ExpressionOperator soundex()
```
    INTERNAL: Build operator.
  - sqrt
```
public static ExpressionOperator sqrt()
```
    INTERNAL: Build operator.
  - standardDeviation
```
public static ExpressionOperator standardDeviation()
```
    INTERNAL: Build operator.
  - substring
```
public static ExpressionOperator substring()
```
    INTERNAL: Build operator.
  - substringSingleArg
```
public static ExpressionOperator substringSingleArg()
```
    INTERNAL: Build operator.
  - sum
```
public static ExpressionOperator sum()
```
    INTERNAL: Create the SUM operator.
  - sybaseAddMonthsOperator
```
public static ExpressionOperator sybaseAddMonthsOperator()
```
    INTERNAL: Function, to add months to a date.
  - sybaseAtan2Operator
```
public static ExpressionOperator sybaseAtan2Operator()
```
    INTERNAL: Build operator.
  - sybaseInStringOperator
```
public static ExpressionOperator sybaseInStringOperator()
```
    INTERNAL: Build instring operator
  - sybaseToNumberOperator
```
public static ExpressionOperator sybaseToNumberOperator()
```
    INTERNAL: Build Sybase equivalent to TO_NUMBER.
  - sybaseToDateToStringOperator
```
public static ExpressionOperator sybaseToDateToStringOperator()
```
    INTERNAL: Build Sybase equivalent to TO_CHAR.
  - sybaseToDateOperator
```
public static ExpressionOperator sybaseToDateOperator()
```
    INTERNAL: Build Sybase equivalent to TO_DATE.
  - sybaseToCharOperator
```
public static ExpressionOperator sybaseToCharOperator()
```
    INTERNAL: Build Sybase equivalent to TO_CHAR.
  - sybaseToCharWithFormatOperator
```
public static ExpressionOperator sybaseToCharWithFormatOperator()
```
    INTERNAL: Build Sybase equivalent to TO_CHAR.
  - sybaseLocateOperator
```
public static ExpressionOperator sybaseLocateOperator()
```
    INTERNAL: Build the Sybase equivalent to Locate
  - sybaseLocate2Operator
```
public static ExpressionOperator sybaseLocate2Operator()
```
    INTERNAL: Build the Sybase equivalent to Locate with a start index. Sybase does not define this, so this gets a little complex...
  - tan
```
public static ExpressionOperator tan()
```
    INTERNAL: Build operator.
  - tanh
```
public static ExpressionOperator tanh()
```
    INTERNAL: Build operator.
  - toDate
```
public static ExpressionOperator toDate()
```
    INTERNAL: Build operator.
  - today
```
public static ExpressionOperator today()
```
    INTERNAL: Build operator.
  - currentTimeStamp
```
public static ExpressionOperator currentTimeStamp()
```
    INTERNAL: Build operator.
  - currentDate
```
public static ExpressionOperator currentDate()
```
    INTERNAL: Build operator.
  - currentTime
```
public static ExpressionOperator currentTime()
```
    INTERNAL: Build operator.
  - toLowerCase
```
public static ExpressionOperator toLowerCase()
```
    INTERNAL: Create the toLowerCase operator.
  - toNumber
```
public static ExpressionOperator toNumber()
```
    INTERNAL: Build operator.
  - toString
```
public java.lang.String toString()
```
    Print a debug representation of this operator.
    
    Overrides:
    
    toString in class java.lang.Object
  - toUpperCase
```
public static ExpressionOperator toUpperCase()
```
    INTERNAL: Create the TOUPPERCASE operator.
  - translate
```
public static ExpressionOperator translate()
```
    INTERNAL: Build operator.
  - trim
```
public static ExpressionOperator trim()
```
    INTERNAL: Build operator.
  - trim2
```
public static ExpressionOperator trim2()
```
    INTERNAL: Build Trim operator.
  - trunc
```
public static ExpressionOperator trunc()
```
    INTERNAL: Build operator.
  - truncateDate
```
public static ExpressionOperator truncateDate()
```
    INTERNAL: Build operator.
  - cast
```
public static ExpressionOperator cast()
```
    INTERNAL: Build operator.
  - extract
```
public static ExpressionOperator extract()
```
    INTERNAL: Build operator.
  - value
```
public static ExpressionOperator value()
```
    INTERNAL: Build operator.
  - variance
```
public static ExpressionOperator variance()
```
    INTERNAL: Build operator.
  - any
```
public static ExpressionOperator any()
```
    INTERNAL: Create the ANY operator.
  - some
```
public static ExpressionOperator some()
```
    INTERNAL: Create the SOME operator.
  - all
```
public static ExpressionOperator all()
```
    INTERNAL: Create the ALL operator.
  - union
```
public static ExpressionOperator union()
```
    INTERNAL: Create the UNION operator.
  - unionAll
```
public static ExpressionOperator unionAll()
```
    INTERNAL: Create the UNION ALL operator.
  - intersect
```
public static ExpressionOperator intersect()
```
    INTERNAL: Create the INTERSECT operator.
  - intersectAll
```
public static ExpressionOperator intersectAll()
```
    INTERNAL: Create the INTERSECT ALL operator.
  - except
```
public static ExpressionOperator except()
```
    INTERNAL: Create the EXCEPT operator.
  - exceptAll
```
public static ExpressionOperator exceptAll()
```
    INTERNAL: Create the EXCEPT ALL operator.
  - isAny
```
public boolean isAny()
```
    INTERNAL: Indicates whether operator has selector Any or Some
  - isAll
```
public boolean isAll()
```
    INTERNAL: Indicates whether operator has selector All
  - isAnyOrAll
```
public boolean isAnyOrAll()
```
    INTERNAL: Indicates whether operator has selector Any, Some or All

Class ExpressionOperator

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

selector

name

databaseStrings

isPrefix

isRepeating

nodeClass

type

argumentIndices

allOperators

platformOperatorSelectors

platformOperatorNames

javaStrings

isBindingSupported

LogicalOperator

ComparisonOperator

AggregateOperator

OrderOperator

FunctionOperator

And

Or

Not

Equal

NotEqual

EqualOuterJoin

LessThan

LessThanEqual

GreaterThan

GreaterThanEqual

Like

NotLike

In

InSubQuery

NotIn

NotInSubQuery

Between

NotBetween

IsNull

NotNull

Exists

NotExists

LikeEscape

NotLikeEscape

Decode

Case

NullIf

Coalesce

CaseCondition

Regexp

Count

Sum

Average

Maximum

Minimum

StandardDeviation

Variance

Distinct

As

Union

UnionAll

Intersect

IntersectAll

Except

ExceptAll

Ascending

Descending

NullsFirst

NullsLast

ToUpperCase

ToLowerCase

Chr

Concat

HexToRaw

Initcap

Instring