Package cz.cvut.kbss.jopa.model.query.criteria

Interface Selection<X>

All Superinterfaces:

TupleElement<X>

All Known Subinterfaces:

Expression<X>, ParameterExpression<T>, Path<X>, Predicate, PredicateFactory.In<T>, Root<X>

All Known Implementing Classes:

AbsFunction, AbstractComparisonExpression, AbstractExpression, AbstractFunctionExpression, AbstractPathExpression, AbstractPredicate, CeilFunction, CompoundedPredicateImpl, CountFunction, ExpressionEqualImpl, ExpressionGreaterThanImpl, ExpressionGreaterThanOrEqualImpl, ExpressionInImpl, ExpressionLessThanImpl, ExpressionLessThanOrEqualImpl, ExpressionLikeImpl, ExpressionLiteralImpl, ExpressionNotEqualImpl, ExpressionNotLikeImpl, FloorFunction, IsMemberExpression, LangFunction, LengthFunction, LowerFunction, ParameterExpressionImpl, PathImpl, RootImpl, SelectionImpl, SimplePredicateImpl, UpperFunction

public interface Selection<X>
extends TupleElement<X>

Method Summary

Modifier and Type	Method	Description
List<Selection<?>>	getCompoundedSelectionItems()	Return the selection items composing a compound selection.
boolean	isCompoundedSelection()	Whether the selection item is a compound selection.

Methods inherited from interface cz.cvut.kbss.jopa.model.query.TupleElement

getAlias, getJavaType

Method Details

isCompoundedSelection

boolean isCompoundedSelection()

Whether the selection item is a compound selection. Compounded selection is NOT YET SUPPORTED. Therefore, the method always returns false.

Returns:

boolean indicating whether the selection is a compound selection

getCompoundedSelectionItems

List<Selection<?>> getCompoundedSelectionItems()

Return the selection items composing a compound selection. Modifications to the list do not affect the query. Compounded selection is NOT YET SUPPORTED. Therefore, the method always throws IllegalStateException.

Returns:

list of selection items

Throws:

IllegalStateException - if selection is not a compound selection