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 */
018package org.apache.oozie.sla;
019
020import java.util.Date;
021import java.util.Iterator;
022
023import org.apache.hadoop.conf.Configuration;
024import org.apache.oozie.client.event.JobEvent.EventStatus;
025import org.apache.oozie.executor.jpa.JPAExecutorException;
026import org.apache.oozie.service.ServiceException;
027
028public 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}