Module org.eclipse.persistence.core
Class PlusNode
java.lang.Object
org.eclipse.persistence.internal.jpa.parsing.Node
org.eclipse.persistence.internal.jpa.parsing.BinaryOperatorNode
org.eclipse.persistence.internal.jpa.parsing.PlusNode
- All Implemented Interfaces:
AliasableNode
INTERNAL
Purpose: Represent a '+' in EJBQL
Responsibilities:
- Generate the correct expression for a '+'
- Since:
- July 2003
-
Field Summary
Fields inherited from class org.eclipse.persistence.internal.jpa.parsing.Node
alias, left, right, shouldGenerateExpression
-
Constructor Summary
-
Method Summary
Modifier and TypeMethodDescriptionvoid
applyToQuery
(ObjectLevelReadQuery theQuery, GenerationContext context) INTERNAL Apply this node to the passed querygenerateExpression
(GenerationContext context) INTERNAL Generate the expression.boolean
boolean
INTERNAL Is this node a Plus nodevoid
validate
(ParseTreeContext context) INTERNAL Validate node and calculates its type.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, 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
-
PlusNode
public PlusNode()
-
-
Method Details
-
applyToQuery
INTERNAL Apply this node to the passed query- Overrides:
applyToQuery
in classNode
-
validate
INTERNAL Validate node and calculates its type.- Overrides:
validate
in classBinaryOperatorNode
-
generateExpression
INTERNAL Generate the expression. The steps are: 1. Generate the expression for the left node 2. Add the .plus to the where clause returned from step 1 3. Generate the expression for the right side and use it as the parameter for the .plus() 4. Return the completed where clause to the caller- Overrides:
generateExpression
in classNode
-
isPlusNode
public boolean isPlusNode()Description copied from class:Node
INTERNAL Is this node a Plus node- Overrides:
isPlusNode
in classNode
-
isAliasableNode
public boolean isAliasableNode()- Overrides:
isAliasableNode
in classNode
-