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java.lang.Objectorg.eclipse.persistence.jpa.jpql.tools.model.query.AbstractStateObject
org.eclipse.persistence.jpa.jpql.tools.model.query.AbstractEncapsulatedExpressionStateObject
org.eclipse.persistence.jpa.jpql.tools.model.query.AbstractSingleEncapsulatedExpressionStateObject
org.eclipse.persistence.jpa.jpql.tools.model.query.EncapsulatedIdentificationVariableExpressionStateObject
org.eclipse.persistence.jpa.jpql.tools.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.tools.model.query.EncapsulatedIdentificationVariableExpressionStateObject |
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IDENTIFICATION_VARIABLE_PROPERTY |
| Fields inherited from class org.eclipse.persistence.jpa.jpql.tools.model.query.AbstractSingleEncapsulatedExpressionStateObject |
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STATE_OBJECT_PROPERTY |
| Constructor Summary | |
|---|---|
ObjectExpressionStateObject(StateObject parent)
Creates a new ObjectExpressionStateObject. |
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ObjectExpressionStateObject(StateObject parent,
java.lang.String identificationVariable)
Creates a new ObjectExpressionStateObject. |
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| Method Summary | |
|---|---|
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.tools.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.tools.model.query.AbstractSingleEncapsulatedExpressionStateObject |
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addChildren, hasStateObject, isEquivalent, parse, setStateObject, toTextEncapsulatedExpression |
| Methods inherited from class org.eclipse.persistence.jpa.jpql.tools.model.query.AbstractEncapsulatedExpressionStateObject |
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toTextInternal |
| Methods inherited from class org.eclipse.persistence.jpa.jpql.tools.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 nullpublic ObjectExpressionStateObject(StateObject parent, java.lang.String identificationVariable)
ObjectExpressionStateObject.
parent - The parent of this state object, which cannot be nullidentificationVariable - 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 AbstractStateObjectproblems - 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 StateObjectgetExpression in class EncapsulatedIdentificationVariableExpressionStateObjectStateObject
or null when the JPQL query is manually created (i.e. not from a string)public java.lang.String getIdentifier()
AbstractSingleEncapsulatedExpressionStateObject.
getIdentifier in class AbstractEncapsulatedExpressionStateObjectpublic 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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