| /* |
| * 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 WARRANTIESOR 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.aries.jpa.supplier; |
| |
| import javax.persistence.EntityManager; |
| |
| /** |
| * Provides a thread safe way to use an EntityManager. - The first call must be to preCall(). This will create |
| * an EM for the current thread. - The EM can then be retrieved by calling get() and user normally - At the |
| * end postCall() has to be called to close the EntityManager If this is used on nested methods then the EM is |
| * only created / closed on the outermost calls to preCall() / postCall() |
| */ |
| public interface EmSupplier { |
| |
| /** |
| * Is called before first access to get() in a method |
| * @deprecated Use a Coordination instead |
| */ |
| @Deprecated |
| void preCall(); |
| |
| EntityManager get(); |
| |
| /** |
| * Is called after last access to get() in a method |
| * @deprecated Use a Coordination instead |
| */ |
| @Deprecated |
| void postCall(); |
| } |