MathFunctionNode (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.MathFunctionNode

All Implemented Interfaces:

Serializable, Cloneable
```
public class MathFunctionNode
extends MultiArgFunctionNode
```
This function is an instruction to negate its argument.

Author:

baldersheim, Simon Thoresen Hult

See Also:

Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class MathFunctionNode.Function

Field Summary

Fields
Modifier and Type Field Description

static int classId

Constructor Summary

Constructors
Constructor	Description
`MathFunctionNode()`
`MathFunctionNode(ExpressionNode exp, MathFunctionNode.Function fnc)`
`MathFunctionNode(MathFunctionNode.Function fnc)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`MathFunctionNode`	`clone()`
`protected boolean`	`equalsMultiArgFunction(MultiArgFunctionNode obj)`
`protected void`	`onDeserialize(com.yahoo.vespa.objects.Deserializer buf)`
`protected boolean`	`onExecute()`
`protected int`	`onGetClassId()`
`void`	`onPrepareResult()`
`protected void`	`onSerialize(com.yahoo.vespa.objects.Serializer buf)`
`void`	`visitMembers(com.yahoo.vespa.objects.ObjectVisitor visitor)`

Methods inherited from class com.yahoo.searchlib.expression.MultiArgFunctionNode
addArg, equalsFunction, getArg, getNumArgs, hashCode, onCalculate, onPrepare, selectMembers

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

MathFunctionNode
```
public MathFunctionNode()
```

MathFunctionNode

public MathFunctionNode(MathFunctionNode.Function fnc)

MathFunctionNode

public MathFunctionNode(ExpressionNode exp,
                        MathFunctionNode.Function fnc)

Method Detail
- onExecute
```
protected boolean onExecute()
```
  Overrides:
  
  onExecute in class MultiArgFunctionNode
- onPrepareResult
```
public void onPrepareResult()
```
  Overrides:
  
  onPrepareResult in class MultiArgFunctionNode
- onGetClassId
```
protected int onGetClassId()
```
  Overrides:
  
  onGetClassId in class MultiArgFunctionNode
- onSerialize
```
protected void onSerialize(com.yahoo.vespa.objects.Serializer buf)
```
  Overrides:
  
  onSerialize in class MultiArgFunctionNode
- onDeserialize
```
protected void onDeserialize(com.yahoo.vespa.objects.Deserializer buf)
```
  Overrides:
  
  onDeserialize in class MultiArgFunctionNode
- equalsMultiArgFunction
```
protected boolean equalsMultiArgFunction(MultiArgFunctionNode obj)
```
  Specified by:
  
  equalsMultiArgFunction in class MultiArgFunctionNode
- clone
```
public MathFunctionNode clone()
```
  Overrides:
  
  clone in class MultiArgFunctionNode
- visitMembers
```
public void visitMembers(com.yahoo.vespa.objects.ObjectVisitor visitor)
```
  Overrides:
  
  visitMembers in class MultiArgFunctionNode