View Javadoc

1   /* 
2    * Copyright (c) 2007, Fraunhofer-Gesellschaft
3    * All rights reserved.
4    * 
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions are
7    * met:
8    * 
9    * (1) Redistributions of source code must retain the above copyright
10   *     notice, this list of conditions and the disclaimer at the end.
11   *     Redistributions in binary form must reproduce the above copyright
12   *     notice, this list of conditions and the following disclaimer in
13   *     the documentation and/or other materials provided with the
14   *     distribution.
15   * 
16   * (2) Neither the name of Fraunhofer nor the names of its
17   *     contributors may be used to endorse or promote products derived
18   *     from this software without specific prior written permission.
19   * 
20   * DISCLAIMER
21   * 
22   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
23   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
24   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
25   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
26   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
27   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
28   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
32   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33   *  
34   */
35  package org.ogf.graap.wsag.server.monitoring;
36  
37  import java.util.Map;
38  
39  import org.apache.log4j.Logger;
40  import org.ogf.graap.wsag.api.types.AbstractAgreementType;
41  import org.ogf.schemas.graap.wsAgreement.AgreementStateDefinition;
42  import org.ogf.schemas.graap.wsAgreement.AgreementStateType;
43  import org.quartz.Job;
44  import org.quartz.JobExecutionContext;
45  import org.quartz.JobExecutionException;
46  
47  /**
48   * AgreementMonitorJob
49   * 
50   * @author Oliver Waeldrich
51   * 
52   */
53  public class AgreementMonitorJob implements Job
54  {
55      private static final Logger LOG = Logger.getLogger( AgreementMonitorJob.class );
56  
57      /**
58       * Identifies the WSAG4J agreement instance in a {@link JobExecutionContext}
59       */
60      public static final String WSAG4J_AGREEMENT_INSTANCE = "wsag4j.agreement.instance";
61  
62      /**
63       * Identifies the WSAG4J monitoring context in a {@link JobExecutionContext}
64       */
65      public static final String WSAG4J_MONITORING_CONTEXT = "wsag4j.agreement.monitoring.context";
66  
67      /**
68       * {@inheritDoc}
69       */
70      @SuppressWarnings( "unchecked" )
71      public void execute( JobExecutionContext context ) throws JobExecutionException
72      {
73  
74          Map<Object, Object> jobData = context.getJobDetail().getJobDataMap();
75          AbstractAgreementType agreementInstance =
76              (AbstractAgreementType) jobData.get( WSAG4J_AGREEMENT_INSTANCE );
77          IMonitoringContext monitoringContext = (IMonitoringContext) jobData.get( WSAG4J_MONITORING_CONTEXT );
78  
79          AgreementMonitor monitor = new AgreementMonitor();
80          monitor.setAgreementInstance( agreementInstance );
81          monitor.setMonitoringContext( monitoringContext );
82  
83          try
84          {
85              monitor.updateStates();
86          }
87          catch ( Exception e )
88          {
89              LOG.debug( e.getMessage(), e );
90              throw new JobExecutionException( "Error updating agreement states.", e );
91          }
92  
93          try
94          {
95              AgreementStateType state = monitor.getAgreementInstance().getState();
96              if ( ( state.getState() == AgreementStateDefinition.COMPLETE )
97                  || ( state.getState() == AgreementStateDefinition.TERMINATED ) )
98              {
99  
100                 //
101                 // if the agreement is in complete or terminated state,
102                 // unschedule the monitoring job
103                 //
104                 context.getScheduler().unscheduleJob( context.getJobDetail().getName(),
105                                                       context.getJobDetail().getGroup() );
106             }
107         }
108         catch ( Exception e )
109         {
110             throw new JobExecutionException( "Error unscheduling monitoring job.", e );
111         }
112     }
113 
114 }