Package org.datanucleus.api.jdo.query

Class CollectionExpressionImpl<T extends Collection<E>,E>

java.lang.Object

org.datanucleus.api.jdo.query.ExpressionImpl<T>

org.datanucleus.api.jdo.query.CollectionExpressionImpl<T,E>

All Implemented Interfaces:

javax.jdo.query.CollectionExpression<T,E>, javax.jdo.query.Expression<T>

Direct Known Subclasses:

ListExpressionImpl

public class CollectionExpressionImpl<T extends Collection<E>,E>
extends ExpressionImpl<T>
implements javax.jdo.query.CollectionExpression<T,E>

Implementation of a CollectionExpression

Field Summary

Fields inherited from class org.datanucleus.api.jdo.query.ExpressionImpl

exprType, queryExpr

Constructor Summary

Constructors

Constructor	Description
CollectionExpressionImpl(Class<T> cls, String name, ExpressionType type)
CollectionExpressionImpl(javax.jdo.query.PersistableExpression parent, String name)

Method Summary

Modifier and Type	Method	Description
javax.jdo.query.BooleanExpression	contains(E elem)
javax.jdo.query.BooleanExpression	contains(javax.jdo.query.Expression<E> expr)
javax.jdo.query.BooleanExpression	isEmpty()
javax.jdo.query.NumericExpression<Integer>	size()

Methods inherited from class org.datanucleus.api.jdo.query.ExpressionImpl

as, cast, count, countDistinct, eq, eq, getQueryExpression, instanceOf, isParameter, isVariable, ne, ne

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.jdo.query.Expression

as, cast, count, countDistinct, eq, eq, instanceOf, ne, ne

Constructor Detail

CollectionExpressionImpl

public CollectionExpressionImpl(javax.jdo.query.PersistableExpression parent,
                                String name)

CollectionExpressionImpl

public CollectionExpressionImpl(Class<T> cls,
                                String name,
                                ExpressionType type)

Method Detail

contains

public javax.jdo.query.BooleanExpression contains(E elem)

Specified by:

contains in interface javax.jdo.query.CollectionExpression<T extends Collection<E>,E>

contains

public javax.jdo.query.BooleanExpression contains(javax.jdo.query.Expression<E> expr)

Specified by:

contains in interface javax.jdo.query.CollectionExpression<T extends Collection<E>,E>

isEmpty

public javax.jdo.query.BooleanExpression isEmpty()

Specified by:

isEmpty in interface javax.jdo.query.CollectionExpression<T extends Collection<E>,E>

size

public javax.jdo.query.NumericExpression<Integer> size()

Specified by:

size in interface javax.jdo.query.CollectionExpression<T extends Collection<E>,E>