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 }