UnaryFunctionNode (searchlib 7.501.17 API)

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

All Implemented Interfaces:

Serializable, Cloneable

Direct Known Subclasses:

ArrayAtLookupNode, DebugWaitFunctionNode, FixedWidthBucketFunctionNode, InterpolatedLookupNode, NegateFunctionNode, NormalizeSubjectFunctionNode, NumElemFunctionNode, RangeBucketPreDefFunctionNode, ReverseFunctionNode, SortFunctionNode, StrLenFunctionNode, TimeStampFunctionNode, ToFloatFunctionNode, ToIntFunctionNode, ToRawFunctionNode, ToStringFunctionNode, UcaFunctionNode, UnaryBitFunctionNode, ZCurveFunctionNode
```
public abstract class UnaryFunctionNode
extends MultiArgFunctionNode
```
This is an abstract super-class for all functions that accept only a single argument.

Author:

baldersheim, Simon Thoresen Hult

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

static int classId

Constructor Summary

Constructors
Constructor Description

UnaryFunctionNode()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`protected boolean`	`equalsMultiArgFunction(MultiArgFunctionNode obj)`
`protected abstract boolean`	`equalsUnaryFunction(UnaryFunctionNode obj)`
`ExpressionNode`	`getArg()`	Return the single argument given to this function.
`protected int`	`onGetClassId()`
`void`	`onPrepare()`
`void`	`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 Detail
  - classId
```
public static final int classId
```
- Constructor Detail
  - UnaryFunctionNode
```
public UnaryFunctionNode()
```
- Method Detail
  - onGetClassId
```
protected int onGetClassId()
```
    Overrides:
    
    onGetClassId in class MultiArgFunctionNode
  - getArg
```
public ExpressionNode getArg()
```
    Return the single argument given to this function.
    
    Returns:
    
    The argument to this function
  - onPrepareResult
```
public void onPrepareResult()
```
    Overrides:
    
    onPrepareResult in class MultiArgFunctionNode
  - onPrepare
```
public void onPrepare()
```
    Overrides:
    
    onPrepare in class MultiArgFunctionNode
  - equalsMultiArgFunction
```
protected final boolean equalsMultiArgFunction(MultiArgFunctionNode obj)
```
    Specified by:
    
    equalsMultiArgFunction in class MultiArgFunctionNode
  - equalsUnaryFunction
```
protected abstract boolean equalsUnaryFunction(UnaryFunctionNode obj)
```