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
019package org.apache.oozie.command;
020
021import java.util.List;
022import java.util.Map;
023
024import org.apache.oozie.BulkResponseInfo;
025import org.apache.oozie.ErrorCode;
026import org.apache.oozie.XException;
027import org.apache.oozie.command.CommandException;
028import org.apache.oozie.command.PreconditionException;
029import org.apache.oozie.command.XCommand;
030import org.apache.oozie.executor.jpa.BulkJPAExecutor;
031import org.apache.oozie.service.JPAService;
032import org.apache.oozie.service.Services;
033
034/**
035 * The command to get a job info for a list of bundle jobs by given filters.
036 */
037public class BulkJobsXCommand extends XCommand<BulkResponseInfo> {
038    private Map<String,List<String>> bulkParams;
039    private int start = 1;
040    private int len = 50;
041
042    /**
043     * The constructor for BundleJobsXCommand
044     *
045     * @param filter the filter string
046     * @param start start location for paging
047     * @param length total length to get
048     */
049    public BulkJobsXCommand(Map<String,List<String>> filter, int start, int length) {
050        super("bundle.job.info", "bundle.job.info", 1);
051        this.bulkParams = filter;
052        this.start = start;
053        this.len = length;
054    }
055
056    /* (non-Javadoc)
057     * @see org.apache.oozie.command.XCommand#isLockRequired()
058     */
059    @Override
060    protected boolean isLockRequired() {
061        return false;
062    }
063
064    /* (non-Javadoc)
065     * @see org.apache.oozie.command.XCommand#getEntityKey()
066     */
067    @Override
068    public String getEntityKey() {
069        return null;
070    }
071
072    /* (non-Javadoc)
073     * @see org.apache.oozie.command.XCommand#loadState()
074     */
075    @Override
076    protected void loadState() throws CommandException {
077    }
078
079    /* (non-Javadoc)
080     * @see org.apache.oozie.command.XCommand#verifyPrecondition()
081     */
082    @Override
083    protected void verifyPrecondition() throws CommandException, PreconditionException {
084    }
085
086    /* (non-Javadoc)
087     * @see org.apache.oozie.command.XCommand#execute()
088     */
089    @Override
090    protected BulkResponseInfo execute() throws CommandException {
091        try {
092            JPAService jpaService = Services.get().get(JPAService.class);
093            BulkResponseInfo bulk = null;
094            if (jpaService != null) {
095                bulk = jpaService.execute(new BulkJPAExecutor(bulkParams, start, len));
096            }
097            else {
098                LOG.error(ErrorCode.E0610);
099            }
100            return bulk;
101        }
102        catch (XException ex) {
103            throw new CommandException(ex);
104        }
105    }
106
107}