org.datanucleus.api.jdo.query

Class ListExpressionImpl<T extends List<E>,E>

java.lang.Object

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

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

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

All Implemented Interfaces:

CollectionExpression<T,E>, Expression<T>, ListExpression<T,E>

public class ListExpressionImpl<T extends List<E>,E>
extends CollectionExpressionImpl<T,E>
implements ListExpression<T,E>

Implementation of a ListExpression.

Constructor Summary

Constructors

Constructor and Description
ListExpressionImpl(Class<T> cls, String name, ExpressionType type)
ListExpressionImpl(PersistableExpression parent, String name)

Method Summary

Methods

Modifier and Type	Method and Description
Expression	get(int pos) Method returning the element at this position in the List.
Expression	get(NumericExpression<Integer> posExpr) Method returning the element at this position in the List.

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

contains, contains, isEmpty, size

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

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 org.datanucleus.query.typesafe.CollectionExpression

contains, contains, isEmpty, size

Methods inherited from interface org.datanucleus.query.typesafe.Expression

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

Constructor Detail

ListExpressionImpl

public ListExpressionImpl(PersistableExpression parent,
                  String name)

ListExpressionImpl

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

Method Detail

get

public Expression get(int pos)

Description copied from interface: ListExpression

Method returning the element at this position in the List.

Specified by:

get in interface ListExpression<T extends List<E>,E>

Parameters:

pos - The position

Returns:

The element at this position in the List

get

public Expression get(NumericExpression<Integer> posExpr)

Description copied from interface: ListExpression

Method returning the element at this position in the List.

Specified by:

get in interface ListExpression<T extends List<E>,E>

Parameters:

posExpr - The position expression

Returns:

The element at this position in the List