程序包 org.hibernate.criterion

类 EmptyExpression

java.lang.Object

org.hibernate.criterion.AbstractEmptinessExpression

org.hibernate.criterion.EmptyExpression

所有已实现的接口:

Serializable, Criterion

public class EmptyExpression
extends AbstractEmptinessExpression
implements Criterion

An expression asserting that a collection property is empty

作者:

Gavin King

另请参阅:

序列化表格

字段概要

从类继承的字段 org.hibernate.criterion.AbstractEmptinessExpression

propertyName

构造器概要

构造器

限定符	构造器	说明
protected	EmptyExpression(String propertyName)	Constructs an EmptyExpression

方法概要

修饰符和类型	方法	说明
protected boolean	excludeEmpty()	Should empty rows be excluded?

从类继承的方法 org.hibernate.criterion.AbstractEmptinessExpression

getQueryableCollection, getTypedValues, toSqlString, toString

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.hibernate.criterion.Criterion

getTypedValues, toSqlString

构造器详细资料

EmptyExpression

protected EmptyExpression(String propertyName)

Constructs an EmptyExpression

参数:

propertyName - The collection property name

另请参阅:

Restrictions.isEmpty(java.lang.String)

方法详细资料

excludeEmpty

protected boolean excludeEmpty()

从类复制的说明: AbstractEmptinessExpression

Should empty rows be excluded?

指定者:

excludeEmpty 在类中 AbstractEmptinessExpression

返回:

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