Module org.eclipse.persistence.core

Package org.eclipse.persistence.internal.jpa.parsing

Class 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

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

Modifier and Type	Method	Description
Expression	generateExpression(GenerationContext context)	INTERNAL Generate the EclipseLink expression for this node
String	getName()
List<Node>	getParameters()
void	setName(String name)
void	setParameters(List<Node> 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 Details

FuncNode

protected FuncNode()

Method Details

setName

public void setName(String name)

getName

public String getName()

setParameters

public void setParameters(List<Node> parameters)

getParameters

public List<Node> 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