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EclipseLink 2.4.2, build 'v20130514-5956486' API Reference | ||||||||
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java.lang.Objectorg.eclipse.persistence.jpa.jpql.model.query.AbstractStateObject
org.eclipse.persistence.jpa.jpql.model.query.AbstractEncapsulatedExpressionStateObject
org.eclipse.persistence.jpa.jpql.model.query.AbstractSingleEncapsulatedExpressionStateObject
org.eclipse.persistence.jpa.jpql.model.query.EncapsulatedIdentificationVariableExpressionStateObject
org.eclipse.persistence.jpa.jpql.model.query.ObjectExpressionStateObject
public class ObjectExpressionStateObject
Stand-alone identification variables in the SELECT
clause may optionally be
qualified by the OBJECT
operator. The SELECT
clause must
not use the OBJECT
operator to qualify path expressions.
expression ::= OBJECT(identification_variable)
ObjectExpression
Field Summary |
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Fields inherited from class org.eclipse.persistence.jpa.jpql.model.query.EncapsulatedIdentificationVariableExpressionStateObject |
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IDENTIFICATION_VARIABLE_PROPERTY |
Fields inherited from class org.eclipse.persistence.jpa.jpql.model.query.AbstractSingleEncapsulatedExpressionStateObject |
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STATE_OBJECT_PROPERTY |
Constructor Summary | |
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ObjectExpressionStateObject(StateObject parent)
Creates a new ObjectExpressionStateObject . |
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ObjectExpressionStateObject(StateObject parent,
java.lang.String identificationVariable)
Creates a new ObjectExpressionStateObject . |
Method Summary | |
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void |
accept(StateObjectVisitor visitor)
Visits this StateObject by the given visitor . |
protected void |
addProblems(java.util.List<Problem> problems)
Adds to the given list the problems that were found with the current state of this StateObject , which means there are validation issues. |
ObjectExpression |
getExpression()
Returns the actual parsed object if this StateObject representation of the JPQL query
was created by parsing an existing JPQL query. |
java.lang.String |
getIdentifier()
Returns the JPQL identifier of the expression represented by this AbstractSingleEncapsulatedExpressionStateObject . |
void |
setExpression(ObjectExpression expression)
Keeps a reference of the parsed object object, which should only be
done when this object is instantiated during the conversion of a parsed JPQL query into
StateObjects . |
Methods inherited from class org.eclipse.persistence.jpa.jpql.model.query.EncapsulatedIdentificationVariableExpressionStateObject |
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checkIntegrity, clearResolvedObjects, getIdentificationVariable, getManagedType, getQueryBNFId, getStateObject, getType, getTypeDeclaration, hasIdentificationVariable, initialize, resolveManagedType, resolveType, resolveTypeDeclaration, setIdentificationVariable |
Methods inherited from class org.eclipse.persistence.jpa.jpql.model.query.AbstractSingleEncapsulatedExpressionStateObject |
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addChildren, hasStateObject, isEquivalent, parse, setStateObject, toTextEncapsulatedExpression |
Methods inherited from class org.eclipse.persistence.jpa.jpql.model.query.AbstractEncapsulatedExpressionStateObject |
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toTextInternal |
Methods inherited from class org.eclipse.persistence.jpa.jpql.model.query.AbstractStateObject |
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acceptUnknownVisitor, acceptUnknownVisitor, addPropertyChangeListener, areEquivalent, buildProblem, buildProblem, buildStateObject, buildStateObjects, checkParent, children, decorate, equals, findIdentificationVariable, firePropertyChanged, getChangeSupport, getDeclaration, getDecorator, getGrammar, getManagedTypeProvider, getParent, getQueryBuilder, getRoot, getType, getType, getTypeHelper, getTypeRepository, hashCode, isDecorated, parent, parent, parent, removePropertyChangeListener, setExpression, setParent, toString, toString, toStringInternal, toStringItems, toText |
Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public ObjectExpressionStateObject(StateObject parent)
ObjectExpressionStateObject
.
parent
- The parent of this state object, which cannot be null
java.lang.NullPointerException
- The given parent cannot be null
public ObjectExpressionStateObject(StateObject parent, java.lang.String identificationVariable)
ObjectExpressionStateObject
.
parent
- The parent of this state object, which cannot be null
identificationVariable
- The name of the identification variable
java.lang.NullPointerException
- The given parent cannot be null
Method Detail |
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public void accept(StateObjectVisitor visitor)
StateObject
by the given visitor
.
visitor
- The visitor
to visit this objectprotected void addProblems(java.util.List<Problem> problems)
StateObject
, which means there are validation issues.
addProblems
in class AbstractStateObject
problems
- The list to which the problems are addedpublic ObjectExpression getExpression()
StateObject
representation of the JPQL query
was created by parsing an existing JPQL query.
getExpression
in interface StateObject
getExpression
in class EncapsulatedIdentificationVariableExpressionStateObject
StateObject
or null
when the JPQL query is manually created (i.e. not from a string)public java.lang.String getIdentifier()
AbstractSingleEncapsulatedExpressionStateObject
.
getIdentifier
in class AbstractEncapsulatedExpressionStateObject
public void setExpression(ObjectExpression expression)
parsed object
object, which should only be
done when this object is instantiated during the conversion of a parsed JPQL query into
StateObjects
.
expression
- The parsed object
representing an OBJECT
expression
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EclipseLink 2.4.2, build 'v20130514-5956486' API Reference | ||||||||
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