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.site;
36
37 import org.apache.log4j.Logger;
38 import org.ogf.graap.wsag.api.AgreementOffer;
39 import org.ogf.graap.wsag.api.types.AbstractAgreementType;
40 import org.ogf.schemas.graap.wsAgreement.TerminateInputType;
41 import org.w3c.dom.Node;
42
43 /**
44 * This agreement implementation is used as example for the project documentation.
45 *
46 * @author Oliver Waeldrich
47 *
48 */
49 public class ExampleAgreement extends AbstractAgreementType
50 {
51
52 private static Logger log = Logger.getLogger( ExampleAgreement.class );
53
54 private ExampleService service;
55
56 /**
57 * Creates an new agreement instance based on an agreement offer. The agreement properties of the
58 * agreement are initialized based on the offer. Additionally, for each service description term
59 * (guarantee term) specified in the offer a corresponding service term state (guarantee term state) is
60 * initialized.
61 *
62 * @param offer
63 * the agreement offer for which the agreement is created
64 */
65 public ExampleAgreement( AgreementOffer offer )
66 {
67 super( offer );
68 }
69
70 /**
71 * Sets the service associated with this agreement instance.
72 *
73 * @param service
74 * the service to set
75 */
76 public void setService( ExampleService service )
77 {
78 this.service = service;
79 }
80
81 /**
82 * This method is invoked when an agreement is terminated. Implementations can add domain-specific
83 * functionality here in order to shutdown services or free resources.
84 *
85 * {@inheritDoc}
86 */
87 public void terminate( TerminateInputType reason )
88 {
89 Node terminateReson = reason.getDomNode().getFirstChild();
90 if ( terminateReson != null )
91 {
92 // find out what the reason is and take the appropriate action
93 if ( log.isInfoEnabled() )
94 {
95 log.info( "The greement was terminated for the following reason: " + reason.xmlText() );
96 }
97 }
98
99 //
100 // Implementations can add domain-specific code here, for example
101 // to terminate associated services and free allocated resources.
102 //
103 service.interrupt();
104 }
105
106 }