| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| <<<<<<< Updated upstream |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| ======= |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| >>>>>>> Stashed changes |
| * limitations under the License. |
| */ |
| package javax.jdo.query; |
| |
| import java.util.Collection; |
| |
| /** |
| * Representation of a collection in a query. |
| * |
| * @param <T> Java type being represented here |
| * @param <E> Element type of the collection being represented here |
| */ |
| public interface CollectionExpression<T extends Collection<E>, E> extends Expression<T> { |
| /** |
| * Method returning whether the specified element expression is contained in this collection. |
| * |
| * @param expr The element expression |
| * @return Whether it is contained here |
| */ |
| BooleanExpression contains(Expression<E> expr); |
| |
| /** |
| * Method returning whether the specified element is contained in this collection. |
| * |
| * @param elem The element |
| * @return Whether it is contained here |
| */ |
| BooleanExpression contains(E elem); |
| |
| /** |
| * Method returning whether the collection is empty. |
| * |
| * @return Whether it is empty |
| */ |
| BooleanExpression isEmpty(); |
| |
| /** |
| * Method returning an expression for the size of the collection |
| * |
| * @return The size |
| */ |
| NumericExpression<Integer> size(); |
| } |