org.hibernate.criterion

Class EmptyExpression

java.lang.Object

org.hibernate.criterion.AbstractEmptinessExpression

org.hibernate.criterion.EmptyExpression

All Implemented Interfaces:

Serializable, Criterion

public class EmptyExpression
extends AbstractEmptinessExpression
implements Criterion

An expression asserting that a collection property is empty

See Also:

Serialized Form

Field Summary

Fields inherited from class org.hibernate.criterion.AbstractEmptinessExpression

propertyName

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	EmptyExpression(String propertyName) Constructs an EmptyExpression

Method Summary

Modifier and Type	Method and Description
protected boolean	excludeEmpty() Should empty rows be excluded?

Methods inherited from class org.hibernate.criterion.AbstractEmptinessExpression

getQueryableCollection, getTypedValues, toSqlString, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hibernate.criterion.Criterion

getTypedValues, toSqlString

Constructor Detail

EmptyExpression

protected EmptyExpression(String propertyName)

Constructs an EmptyExpression

Parameters:

propertyName - The collection property name

See Also:

Restrictions.isEmpty(java.lang.String)

Method Detail

excludeEmpty

protected boolean excludeEmpty()

Description copied from class: AbstractEmptinessExpression

Should empty rows be excluded?

Specified by:

excludeEmpty in class AbstractEmptinessExpression

Returns:

true Indicates the expression should be 'exists'; false indicates 'not exists'