Package com.yahoo.searchlib.expression

Class ReverseFunctionNode

java.lang.Object

com.yahoo.vespa.objects.Selectable

com.yahoo.vespa.objects.Identifiable

com.yahoo.searchlib.expression.ExpressionNode

com.yahoo.searchlib.expression.FunctionNode

com.yahoo.searchlib.expression.MultiArgFunctionNode

com.yahoo.searchlib.expression.UnaryFunctionNode

com.yahoo.searchlib.expression.ReverseFunctionNode

All Implemented Interfaces:

Serializable, Cloneable

public class ReverseFunctionNode
extends UnaryFunctionNode

This class will revert the order on any multivalues. Nothing is done to single value types such as integers, float, strings and Raw values.

Author:

baldersheim

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static final int	classId

Constructor Summary

Constructors

Constructor	Description
ReverseFunctionNode()	Constructs an empty result node.
ReverseFunctionNode(ExpressionNode arg)	Constructs an instance of this class with given argument.

Method Summary

Modifier and Type	Method	Description
protected boolean	equalsUnaryFunction(UnaryFunctionNode obj)
protected int	onGetClassId()

Methods inherited from class com.yahoo.searchlib.expression.UnaryFunctionNode

equalsMultiArgFunction, getArg, onPrepare, onPrepareResult

Methods inherited from class com.yahoo.searchlib.expression.MultiArgFunctionNode

addArg, clone, equalsFunction, getArg, getNumArgs, hashCode, onCalculate, onDeserialize, onExecute, onSerialize, selectMembers, visitMembers

Methods inherited from class com.yahoo.searchlib.expression.FunctionNode

equalsExpression, getResult, setResult

Methods inherited from class com.yahoo.searchlib.expression.ExpressionNode

equals, execute, executeIterative, onArgument, prepare

Methods inherited from class com.yahoo.vespa.objects.Identifiable

create, createFromId, deserialize, deserializeOptional, deserializeWithId, equals, getClassId, getRawUtf8Bytes, getUtf8, putUtf8, registerClass, serialize, serializeOptional, serializeWithId, toString

Methods inherited from class com.yahoo.vespa.objects.Selectable

select, select

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

classId

public static final int classId

Constructor Details

ReverseFunctionNode

public ReverseFunctionNode()

Constructs an empty result node. NOTE: This instance is broken until non-optional member data is set.

ReverseFunctionNode

public ReverseFunctionNode(ExpressionNode arg)

Constructs an instance of this class with given argument.

Parameters:

arg - The argument for this function.

Method Details

onGetClassId

protected int onGetClassId()

Overrides:

onGetClassId in class UnaryFunctionNode

equalsUnaryFunction

protected boolean equalsUnaryFunction(UnaryFunctionNode obj)

Specified by:

equalsUnaryFunction in class UnaryFunctionNode