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java.lang.Objectorg.eclipse.persistence.jpa.jpql.tools.model.query.AbstractStateObject
org.eclipse.persistence.jpa.jpql.tools.model.query.AbstractConditionalClauseStateObject
org.eclipse.persistence.jpa.jpql.tools.model.query.HavingClauseStateObject
public class HavingClauseStateObject
The HAVING construct enables conditions to be specified that further restrict
the query result as restrictions upon the groups.
having_clause ::= HAVING conditional_expression
HavingClause| Field Summary |
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| Fields inherited from class org.eclipse.persistence.jpa.jpql.tools.model.query.AbstractConditionalClauseStateObject |
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CONDITIONAL_STATE_OBJECT_PROPERTY |
| Constructor Summary | |
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HavingClauseStateObject(AbstractSelectStatementStateObject parent)
Creates a new HavingClauseStateObject. |
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| Method Summary | |
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void |
accept(StateObjectVisitor visitor)
Visits this StateObject by the given visitor. |
HavingClause |
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 this clause. |
AbstractSelectStatementStateObject |
getParent()
Returns the parent of this StateObject. |
void |
setExpression(HavingClause 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.AbstractConditionalClauseStateObject |
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addChildren, andParse, getBuilder, getConditional, hasConditional, isEquivalent, orParse, parse, setConditional, shouldEncapsulateORExpression, toTextInternal |
| Methods inherited from class org.eclipse.persistence.jpa.jpql.tools.model.query.AbstractStateObject |
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acceptUnknownVisitor, acceptUnknownVisitor, addProblems, addPropertyChangeListener, areEquivalent, buildProblem, buildProblem, buildStateObject, buildStateObjects, checkParent, children, decorate, equals, findIdentificationVariable, firePropertyChanged, getChangeSupport, getDeclaration, getDecorator, getGrammar, getManagedTypeProvider, getQueryBuilder, getRoot, getType, getType, getTypeHelper, getTypeRepository, hashCode, initialize, 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 HavingClauseStateObject(AbstractSelectStatementStateObject parent)
HavingClauseStateObject.
parent - The parent of this state object, which cannot be null
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 objectpublic HavingClause getExpression()
StateObject representation of the JPQL query
was created by parsing an existing JPQL query.
getExpression in interface StateObjectgetExpression in class AbstractStateObjectStateObject
or null when the JPQL query is manually created (i.e. not from a string)public java.lang.String getIdentifier()
getIdentifier in class AbstractConditionalClauseStateObjectpublic AbstractSelectStatementStateObject getParent()
StateObject.
getParent in interface StateObjectgetParent in class AbstractStateObjectStateObject, which is null only when
this is the root of the hierarchypublic void setExpression(HavingClause 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 a HAVING
expression
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