001    /**
002     * Copyright (c) 2010 Yahoo! Inc. All rights reserved.
003     * Licensed under the Apache License, Version 2.0 (the "License");
004     * you may not use this file except in compliance with the License.
005     * You may obtain a copy of the License at
006     *
007     *   http://www.apache.org/licenses/LICENSE-2.0
008     *
009     *  Unless required by applicable law or agreed to in writing, software
010     *  distributed under the License is distributed on an "AS IS" BASIS,
011     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012     *  See the License for the specific language governing permissions and
013     *  limitations under the License. See accompanying LICENSE file.
014     */
015    package org.apache.oozie.command.wf;
016    
017    import org.apache.oozie.WorkflowJobBean;
018    import org.apache.oozie.store.StoreException;
019    import org.apache.oozie.store.WorkflowStore;
020    import org.apache.oozie.util.ParamChecker;
021    import org.apache.oozie.util.XLog;
022    import org.apache.oozie.service.Services;
023    
024    /**
025     * Command for loading a job information
026     */
027    public class JobCommand extends WorkflowCommand<WorkflowJobBean> {
028        private String id;
029        private int start = 1;
030        private int len = Integer.MAX_VALUE;
031    
032        /**
033         * @param id wf jobId
034         */
035        public JobCommand(String id) {
036            this(id, 1, Integer.MAX_VALUE);
037        }
038    
039        /**
040         * @param id wf jobId
041         * @param start starting index in the list of actions belonging to the job
042         * @param length number of actions to be returned
043         */
044        public JobCommand(String id, int start, int length) {
045            super("job.info", "job.info", 1, XLog.OPS, true);
046            this.id = ParamChecker.notEmpty(id, "id");
047            this.start = start;
048            this.len = length;
049        }
050    
051        @Override
052        protected WorkflowJobBean call(WorkflowStore store) throws StoreException {
053            WorkflowJobBean workflow = store.getWorkflowInfoWithActionsSubset(id, start, len);
054            workflow.setConsoleUrl(getJobConsoleUrl(id));
055            return workflow;
056        }
057    
058        static String getJobConsoleUrl(String jobId) {
059            String consoleUrl = Services.get().getConf().get("oozie.JobCommand.job.console.url", null);
060            return (consoleUrl != null) ? consoleUrl + jobId : null;
061        }
062    
063    }