FuncNode

java.lang.Object
- org.eclipse.persistence.internal.jpa.parsing.Node
- - org.eclipse.persistence.internal.jpa.parsing.FunctionalExpressionNode
  - - org.eclipse.persistence.internal.jpa.parsing.FuncNode

All Implemented Interfaces:

AliasableNode
```
public class FuncNode
extends FunctionalExpressionNode
```
INTERNAL
Purpose:
Responsibilities:
- Generate expression for custom functions Example: "SELECT FUNC('NVL', e.firstName, 'NoFirstName') FROM Employee e"
Since:

Eclipselink 2.1

Author:

Andrei Ilitchev

Field Summary
- Fields inherited from class org.eclipse.persistence.internal.jpa.parsing.Node
  alias, left, right, shouldGenerateExpression

Constructor Summary

Constructors
Modifier Constructor Description

protected FuncNode()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Expression`	`generateExpression(GenerationContext context)`	INTERNAL Generate the EclipseLink expression for this node
`java.lang.String`	`getName()`
`java.util.List`	`getParameters()`
`void`	`setName(java.lang.String name)`
`void`	`setParameters(java.util.List parameters)`
`void`	`validate(ParseTreeContext context)`	INTERNAL Validate node and calculate its type.

Methods inherited from class org.eclipse.persistence.internal.jpa.parsing.FunctionalExpressionNode
applyToQuery, isAliasableNode

Methods inherited from class org.eclipse.persistence.internal.jpa.parsing.Node
addToExpression, appendExpression, getAlias, getAsString, getColumn, getLeft, getLine, getRight, getType, hasLeft, hasRight, isAggregateNode, isAttributeNode, isConstructorNode, isCountNode, isDivideNode, isDotNode, isEscape, isLiteralNode, isMapKeyNode, isMinusNode, isMultiplyNode, isNotNode, isParameterNode, isPlusNode, isSubqueryNode, isVariableNode, qualifyAttributeAccess, resolveAttribute, resolveClass, resolveClass, resolveMapping, resolveMapping, setAlias, setColumn, setLeft, setLine, setRight, setType, toString, toString, toStringDisplayName, toStringIndent, validateParameter

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

Methods inherited from interface org.eclipse.persistence.internal.jpa.parsing.AliasableNode
getAlias, setAlias

Constructor Detail
- FuncNode
```
protected FuncNode()
```

Method Detail

setName

public void setName(java.lang.String name)

getName
```
public java.lang.String getName()
```

setParameters

public void setParameters(java.util.List parameters)

getParameters
```
public java.util.List getParameters()
```

validate
```
public void validate(ParseTreeContext context)
```
Description copied from class: Node

INTERNAL Validate node and calculate its type.

Overrides:

validate in class Node

generateExpression
```
public Expression generateExpression(GenerationContext context)
```
INTERNAL Generate the EclipseLink expression for this node

Overrides:

generateExpression in class Node