/******************************************************************************* * 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 * * http://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 limitations * under the License. ******************************************************************************/ package org.apache.olingo.odata2.jpa.processor.api.model; import org.apache.olingo.odata2.api.edm.provider.Key; /** * A view on Java Persistence Entity Key Attributes and EDM Key properties. Java * Persistence Key Attributes of type * <ol> * <li>embedded ID</li> * <li>ID</li> * </ol> * are converted into EDM keys. Embedded IDs are expanded into simple EDM * properties. * <p> * The implementation of the view provides access to EDM key properties for a * given JPA EDM entity type. The view acts as a container for consistent EDM * key property of an EDM entity type. * * * <p> * @org.apache.olingo.odata2.DoNotImplement * @see org.apache.olingo.odata2.jpa.processor.api.model.JPAEdmPropertyView * */ public interface JPAEdmKeyView extends JPAEdmBaseView { /** * The method returns an instance of EDM key for the given JPA EDM Entity * type. * * @return an instance of type {@link org.apache.olingo.odata2.api.edm.provider.Key} */ public Key getEdmKey(); }