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

Class DateFunctionNode

java.lang.Object

org.eclipse.persistence.internal.jpa.parsing.Node

org.eclipse.persistence.internal.jpa.parsing.FunctionalExpressionNode

org.eclipse.persistence.internal.jpa.parsing.DateFunctionNode

All Implemented Interfaces:

AliasableNode

public class DateFunctionNode
extends FunctionalExpressionNode

INTERNAL

Purpose: Represent a date function: CURRENT_DATE, CURRENT_TIME, CURRENT_TIMESTAMP.

Responsibilities:

• Generate the correct expression for the date function

Field Summary

Fields inherited from class org.eclipse.persistence.internal.jpa.parsing.Node

alias, left, right, shouldGenerateExpression

Constructor Summary

Constructors

Constructor	Description
DateFunctionNode()	DateFunctionNode constructor.

Method Summary

Modifier and Type	Method	Description
void	applyToQuery(ObjectLevelReadQuery theQuery, GenerationContext context)	INTERNAL Apply this node to the passed query
Expression	generateExpression(GenerationContext context)	INTERNAL Generate the EclipseLink expression for this node
void	useCurrentDate()
void	useCurrentTime()
void	useCurrentTimestamp()
void	validate(ParseTreeContext context)	INTERNAL Validate node and calculate its type.

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

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

DateFunctionNode

public DateFunctionNode()

DateFunctionNode constructor.

Method Detail

applyToQuery

public void applyToQuery(ObjectLevelReadQuery theQuery,
                         GenerationContext context)

INTERNAL Apply this node to the passed query

Overrides:

applyToQuery in class FunctionalExpressionNode

validate

public void validate(ParseTreeContext context)

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

useCurrentDate

public void useCurrentDate()

useCurrentTime

public void useCurrentTime()

useCurrentTimestamp

public void useCurrentTimestamp()