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.sla;
019    
020    import java.util.Date;
021    import java.util.Iterator;
022    
023    import org.apache.hadoop.conf.Configuration;
024    import org.apache.oozie.client.event.JobEvent.EventStatus;
025    import org.apache.oozie.executor.jpa.JPAExecutorException;
026    import org.apache.oozie.service.ServiceException;
027    
028    public interface SLACalculator {
029    
030        void init(Configuration conf) throws ServiceException;
031    
032        int size();
033    
034        Iterator<String> iterator();
035    
036        boolean isEmpty();
037    
038        boolean addRegistration(String jobId, SLARegistrationBean reg) throws JPAExecutorException;
039    
040        boolean updateRegistration(String jobId, SLARegistrationBean reg) throws JPAExecutorException;
041    
042        void removeRegistration(String jobId);
043    
044        boolean addJobStatus(String jobId, String jobStatus, EventStatus jobEventStatus, Date startTime, Date endTime)
045                throws JPAExecutorException, ServiceException;
046    
047        void updateAllSlaStatus();
048    
049        void clear();
050    
051        SLACalcStatus get(String jobId) throws JPAExecutorException;
052    
053    }