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.text.MessageFormat; 38 39 import org.apache.log4j.Logger; 40 41 /** 42 * ServiceTermStateMonitor 43 * 44 * @author Oliver Waeldrich 45 * 46 */ 47 public class ServiceTermStateMonitor 48 { 49 50 private static final Logger LOG = Logger.getLogger( ServiceTermStateMonitor.class ); 51 52 /** 53 * Calls the service term monitoring 54 * 55 * @param monitoringContext 56 * call the {@link ServiceTermStateMonitor} with the given monitoring context 57 * 58 * @return true if the monitoring was successful, false otherwise. 59 */ 60 public boolean monitor( IMonitoringContext monitoringContext ) 61 { 62 // 63 // create a copy of the monitoring context 64 // 65 IMonitoringContext currentMonitoringContext; 66 try 67 { 68 currentMonitoringContext = (IMonitoringContext) monitoringContext.clone(); 69 } 70 catch ( CloneNotSupportedException e ) 71 { 72 throw new IllegalStateException( "Could not clone monitoring context." ); 73 } 74 75 // 76 // let the monitoring handler update the states using the current context 77 // 78 for ( int i = 0; i < monitoringContext.getMonitoringHandler().length; i++ ) 79 { 80 IServiceTermMonitoringHandler handler = null; 81 82 try 83 { 84 handler = monitoringContext.getMonitoringHandler()[i]; 85 handler.monitor( currentMonitoringContext ); 86 } 87 catch ( Exception e ) 88 { 89 String handlerName = ( handler != null ) ? handler.getClass().getName() : null; 90 91 String msgSDTUpdateError = 92 "Monitoring of service term states failed for handler [{0}]. " 93 + "Service term states are not updated. Reason: {1}"; 94 95 LOG.error( MessageFormat.format( msgSDTUpdateError, 96 new Object[] { handlerName, e.getMessage() } ) ); 97 98 if ( LOG.isDebugEnabled() ) 99 { 100 LOG.debug( e ); 101 } 102 103 return false; 104 } 105 } 106 107 // 108 // after the monitoring process was executed successful, 109 // we update the monitoring context object at once 110 // 111 monitoringContext.setServiceTemState( currentMonitoringContext.getServiceTermStates() ); 112 113 return true; 114 } 115 116 }