diff options
Diffstat (limited to 'sandbox/event/modules/implementation-openjpa/src/main/java/org/apache/tuscany/sca/implementation/openjpa/provider/JPAInvoker.java')
-rw-r--r-- | sandbox/event/modules/implementation-openjpa/src/main/java/org/apache/tuscany/sca/implementation/openjpa/provider/JPAInvoker.java | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/sandbox/event/modules/implementation-openjpa/src/main/java/org/apache/tuscany/sca/implementation/openjpa/provider/JPAInvoker.java b/sandbox/event/modules/implementation-openjpa/src/main/java/org/apache/tuscany/sca/implementation/openjpa/provider/JPAInvoker.java new file mode 100644 index 0000000000..8b74209d3e --- /dev/null +++ b/sandbox/event/modules/implementation-openjpa/src/main/java/org/apache/tuscany/sca/implementation/openjpa/provider/JPAInvoker.java @@ -0,0 +1,63 @@ +/* + * 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.tuscany.sca.implementation.openjpa.provider; + +import java.lang.reflect.Method; + +import javax.persistence.EntityManager; +import javax.persistence.EntityManagerFactory; +import javax.transaction.TransactionManager; + +import org.apache.commons.logging.Log; +import org.apache.commons.logging.LogFactory; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.interfacedef.java.impl.JavaInterfaceUtil; +import org.apache.tuscany.sca.invocation.Invoker; +import org.apache.tuscany.sca.invocation.Message; + +public class JPAInvoker implements Invoker { + private Operation operation; + private TransactionManager tm; + + public JPAInvoker(Operation operation, EntityManagerFactory emf, TransactionManager tm) { + this.operation = operation; + this.tm = tm; + this.emf = emf; + } + + private Log log = LogFactory.getLog(this.getClass()); + private EntityManagerFactory emf; + + public Message invoke(Message msg) { + try { + tm.begin(); + Method method = JavaInterfaceUtil.findMethod(EntityManager.class, operation); + Object r = method.invoke(emf.createEntityManager(), (Object[])msg.getBody()); + tm.commit(); + log.info(method); + msg.setBody(r); + return msg; + } catch (Exception ex) { + throw new RuntimeException(ex); + + } + } + +} |