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java.lang.Objectorg.eclipse.persistence.jpa.jpql.model.query.AbstractStateObject
org.eclipse.persistence.jpa.jpql.model.query.AbstractModifyStatementStateObject
org.eclipse.persistence.jpa.jpql.model.query.DeleteStatementStateObject
public class DeleteStatementStateObject
Bulk delete operation apply to entities of a single entity class (together with its subclasses, if any).
delete_statement ::= delete_clause [where_clause]
DeleteStatement
Field Summary |
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Fields inherited from class org.eclipse.persistence.jpa.jpql.model.query.AbstractModifyStatementStateObject |
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WHERE_CLAUSE_PROPERTY |
Constructor Summary | |
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DeleteStatementStateObject(JPQLQueryStateObject parent)
Creates a new DeleteStatementStateObject . |
Method Summary | |
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void |
accept(StateObjectVisitor visitor)
Visits this StateObject by the given visitor . |
protected AbstractModifyClauseStateObject |
buildModifyClause()
Creates the actual AbstractModifyClauseStateObject that represents the modify clause. |
DeleteStatement |
getExpression()
Returns the actual parsed object if this StateObject representation of the JPQL query
was created by parsing an existing JPQL query. |
DeleteClauseStateObject |
getModifyClause()
Returns the state object representing the DELETE clause. |
void |
setExpression(DeleteStatement 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.AbstractModifyStatementStateObject |
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addChildren, addWhereClause, getAbstractSchemaName, getAbstractSchemaNameStateObject, getDeclaration, getEntity, getIdentificationVariable, getIdentificationVariableStateObject, getParent, getRangeVariableDeclaration, getWhereClause, hasWhereClause, initialize, isEquivalent, removeWhereClause, setConditionalStateObject, setDeclaration, setDeclaration, setDeclaration, setDeclaration, setEntity, setEntityName, setIdentificationVariable, toggleWhereClause, toTextInternal |
Methods inherited from class org.eclipse.persistence.jpa.jpql.model.query.AbstractStateObject |
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acceptUnknownVisitor, acceptUnknownVisitor, addProblems, addPropertyChangeListener, areEquivalent, buildProblem, buildProblem, buildStateObject, buildStateObjects, checkParent, children, decorate, equals, findIdentificationVariable, firePropertyChanged, getChangeSupport, getDecorator, getGrammar, getManagedTypeProvider, 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 DeleteStatementStateObject(JPQLQueryStateObject parent)
DeleteStatementStateObject
.
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 objectprotected AbstractModifyClauseStateObject buildModifyClause()
AbstractModifyClauseStateObject
that represents the modify clause.
buildModifyClause
in class AbstractModifyStatementStateObject
public DeleteStatement getExpression()
StateObject
representation of the JPQL query
was created by parsing an existing JPQL query.
getExpression
in interface StateObject
getExpression
in class AbstractStateObject
StateObject
or null
when the JPQL query is manually created (i.e. not from a string)public DeleteClauseStateObject getModifyClause()
DELETE
clause.
getModifyClause
in class AbstractModifyStatementStateObject
DELETE
clause, which is never
null
public void setExpression(DeleteStatement 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 DELETE
statement
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