001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     * 
010     *      http://www.apache.org/licenses/LICENSE-2.0
011     * 
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    package org.apache.oozie.command.coord;
019    
020    import org.apache.oozie.CoordinatorJobBean;
021    import org.apache.oozie.command.CommandException;
022    import org.apache.oozie.store.CoordinatorStore;
023    import org.apache.oozie.store.StoreException;
024    import org.apache.oozie.util.ParamChecker;
025    import org.apache.oozie.util.XLog;
026    
027    /**
028     * Command for loading a coordinator job information
029     */
030    public class CoordJobCommand extends CoordinatorCommand<CoordinatorJobBean> {
031        private String id;
032        private boolean getActionInfo;
033        private int start = 1;
034        private int len = Integer.MAX_VALUE;
035    
036        /**
037         * @param id coord jobId
038         */
039        public CoordJobCommand(String id) {
040            this(id, 1, Integer.MAX_VALUE);
041        }
042    
043        /**
044         * @param id coord jobId
045         * @param start starting index in the list of actions belonging to the job
046         * @param length number of actions to be returned
047         */
048        public CoordJobCommand(String id, int start, int length) {
049            super("job.info", "job.info", 1, XLog.OPS);
050            this.id = ParamChecker.notEmpty(id, "id");
051            this.getActionInfo = true;
052            this.start = start;
053            this.len = length;
054        }
055    
056        /**
057         * @param id coord jobId
058         * @param getActionInfo false to ignore loading actions for the job
059         */
060        public CoordJobCommand(String id, boolean getActionInfo) {
061            super("job.info", "job.info", 1, XLog.OPS);
062            this.id = ParamChecker.notEmpty(id, "id");
063            this.getActionInfo = getActionInfo;
064        }
065    
066        @Override
067        protected CoordinatorJobBean call(CoordinatorStore store) throws StoreException, CommandException {
068            CoordinatorJobBean coord = store.getCoordinatorJob(id, false);
069            if (this.getActionInfo == true) {
070                coord.setActions(store.getActionsSubsetForCoordinatorJob(id, start, len));
071            }
072            else {
073                coord.setActions(null);
074            }
075            return coord;
076        }
077    
078    }