| /** |
| * 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.oozie.service; |
| |
| import org.apache.oozie.DagEngine; |
| import org.apache.oozie.service.Service; |
| import org.apache.oozie.service.Services; |
| |
| /** |
| * Service that return a dag engine for a user. |
| */ |
| public class DagEngineService implements Service { |
| |
| /** |
| * Initialize the service. |
| * |
| * @param services services instance. |
| */ |
| public void init(Services services) { |
| } |
| |
| /** |
| * Destroy the service. |
| */ |
| public void destroy() { |
| } |
| |
| /** |
| * Return the public interface of the Dag engine service. |
| * |
| * @return {@link DagEngineService}. |
| */ |
| public Class<? extends Service> getInterface() { |
| return DagEngineService.class; |
| } |
| |
| /** |
| * Return a Dag engine. |
| * |
| * @param user user for the dag engine. |
| * @return the dag engine for the specified user. |
| */ |
| public DagEngine getDagEngine(String user) { |
| return new DagEngine(user); |
| } |
| |
| /** |
| * Return a Dag engine for a system user (no user, no group). |
| * |
| * @return a system Dag engine. |
| */ |
| public DagEngine getSystemDagEngine() { |
| return new DagEngine(); |
| } |
| |
| } |