javax.persistence

Interface TupleElement<X>

Type Parameters:

X - the type of the element

All Known Subinterfaces:

CollectionJoin<Z,E>, CompoundSelection<X>, CriteriaBuilder.Case<R>, CriteriaBuilder.Coalesce<T>, CriteriaBuilder.In<T>, CriteriaBuilder.SimpleCase<C,R>, Expression<T>, From<Z,X>, Join<Z,X>, ListJoin<Z,E>, MapJoin<Z,K,V>, ParameterExpression<T>, Path<X>, PluralJoin<Z,C,E>, Predicate, Root<X>, Selection<X>, SetJoin<Z,E>, Subquery<T>

public interface TupleElement<X>

The TupleElement interface defines an element that is returned in a query result tuple.

See Also:

Tuple

Since:

Java Persistence 2.0

Method Summary

Modifier and Type	Method and Description
java.lang.String	getAlias() Return the alias assigned to the tuple element or null, if no alias has been assigned.
java.lang.Class<? extends X>	getJavaType() Return the Java type of the tuple element.

Method Detail

getJavaType

java.lang.Class<? extends X> getJavaType()

Return the Java type of the tuple element.

Returns:

the Java type of the tuple element

getAlias

java.lang.String getAlias()

Return the alias assigned to the tuple element or null, if no alias has been assigned.

Returns:

alias