| /* |
| * 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.support.impl; |
| |
| import javax.persistence.EntityManager; |
| |
| import org.apache.aries.jpa.template.EmConsumer; |
| import org.apache.aries.jpa.template.EmFunction; |
| import org.apache.aries.jpa.template.JpaTemplate; |
| import org.apache.aries.jpa.template.TransactionType; |
| |
| public abstract class AbstractJpaTemplate implements JpaTemplate { |
| |
| @Override |
| public void tx(final TransactionType type, final EmConsumer code) { |
| txExpr(type, new EmFunction<Object>() { |
| @Override |
| public Object apply(EntityManager em) { |
| code.accept(em); |
| return null; |
| } |
| }); |
| } |
| |
| @Override |
| public <R> R txExpr(final EmFunction<R> code) { |
| return txExpr(TransactionType.Required, code); |
| } |
| |
| @Override |
| public void tx(final EmConsumer code) { |
| tx(TransactionType.Required, code); |
| } |
| |
| protected RuntimeException wrapThrowable(Throwable ex, String message) { |
| if (ex instanceof RuntimeException) { |
| return (RuntimeException) ex; |
| } |
| return new RuntimeException(message, ex); |
| } |
| } |