Package org.hibernate.sql.ast.tree.predicate

Class ExistsPredicate

java.lang.Object

org.hibernate.sql.ast.tree.predicate.ExistsPredicate

All Implemented Interfaces:

DomainResultProducer<Boolean>, SqlSelectionProducer, Expression, Predicate, SqlAstNode

public class ExistsPredicate
extends Object
implements Predicate

Constructor Summary

Constructors

Constructor	Description
ExistsPredicate(QueryPart expression, boolean negated, JdbcMappingContainer expressionType)
ExistsPredicate(SelectStatement expression, boolean negated, JdbcMappingContainer expressionType)

Method Summary

Modifier and Type	Method	Description
void	accept(SqlAstWalker sqlTreeWalker)
SelectStatement	getExpression()
JdbcMappingContainer	getExpressionType()	The type for this expression
boolean	isEmpty()
boolean	isNegated()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.hibernate.sql.ast.tree.expression.Expression

createDomainResultSqlSelection, createDomainResultSqlSelection, createSqlSelection, createSqlSelection, getColumnReference

Methods inherited from interface org.hibernate.sql.ast.tree.predicate.Predicate

applySqlSelections, createDomainResult

Constructor Detail

ExistsPredicate

public ExistsPredicate(QueryPart expression,
                       boolean negated,
                       JdbcMappingContainer expressionType)

ExistsPredicate

public ExistsPredicate(SelectStatement expression,
                       boolean negated,
                       JdbcMappingContainer expressionType)

Method Detail

getExpression

public SelectStatement getExpression()

isNegated

public boolean isNegated()

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Predicate

accept

public void accept(SqlAstWalker sqlTreeWalker)

Specified by:

accept in interface SqlAstNode

getExpressionType

public JdbcMappingContainer getExpressionType()

Description copied from interface: Expression

The type for this expression

Specified by:

getExpressionType in interface Expression