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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.samples;
36  
37  import org.apache.log4j.Logger;
38  import org.ogf.graap.wsag.api.Agreement;
39  import org.ogf.graap.wsag.api.AgreementOffer;
40  import org.ogf.graap.wsag.api.exceptions.AgreementFactoryException;
41  import org.ogf.graap.wsag.server.actions.AbstractCreateAgreementAction;
42  import org.ogf.graap.wsag.server.actions.ActionInitializationException;
43  import org.ogf.graap.wsag.server.monitoring.MonitorableAgreement;
44  
45  /**
46   * SampleMonitorableAgreementAction
47   * 
48   * @author hrasheed
49   * 
50   */
51  public class SampleMonitoredAgreementAction extends AbstractCreateAgreementAction
52  {
53  
54      private static Logger log = Logger.getLogger( SampleMonitoredAgreementAction.class );
55  
56      /**
57       * {@inheritDoc}
58       */
59      public Agreement createAgreement( AgreementOffer offer ) throws AgreementFactoryException
60      {
61  
62          try
63          {
64  
65              //
66              // create a new instance of a domain-specific agreement implementation
67              //
68              SampleMonitoredAgreement sampleAgreementInstance = new SampleMonitoredAgreement( offer );
69  
70              //
71              // create an instance of a monitored agreement
72              //
73              MonitorableAgreement monitorAgreement = new MonitorableAgreement( sampleAgreementInstance );
74  
75              //
76              // set monitoring interval to 30 seconds, monitoring handler(s) are invoked once each monitoring
77              // cycle
78              //
79              monitorAgreement.setCronExpression( "0/30 * * * * ?" );
80  
81              //
82              // add a custom monitoring handler
83              //
84              monitorAgreement.addMonitoringHandler( new SampleServiceTermMonitor() );
85  
86              //
87              // add the agreement offer to the execution context so that monitoring handler can access it later
88              // on
89              //
90              monitorAgreement.getExecutionContext().getExecutionProperties().put( "OFFER",
91                                                                                   offer.getXMLObject() );
92  
93              //
94              // start the monitoring process
95              //
96              monitorAgreement.startMonitoring();
97  
98              //
99              // return the monitored agreement
100             //
101             return monitorAgreement;
102 
103         }
104         catch ( Exception e )
105         {
106             log.error( e );
107             throw new AgreementFactoryException( e );
108         }
109     }
110 
111     /**
112      * {@inheritDoc}
113      */
114     public void initialize() throws ActionInitializationException
115     {
116         // nothing to do here
117     }
118 
119 }