1 /* 2 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.corba.se.impl.monitoring; 27 28 import java.util.Map; 29 import java.util.HashMap; 30 import java.util.Collection; 31 import java.util.Iterator; 32 33 import com.sun.corba.se.spi.monitoring.MonitoredObject; 34 import com.sun.corba.se.spi.monitoring.MonitoredAttribute; 35 36 public class MonitoredObjectImpl implements MonitoredObject { 37 private final String name; 38 private final String description; 39 40 // List of all child Monitored Objects 41 private Map children = new HashMap(); 42 43 // All the Attributes of this Monitored Object instance 44 private Map monitoredAttributes = new HashMap(); 45 46 private MonitoredObject parent = null; 47 48 49 // Constructor 50 MonitoredObjectImpl( String name, String description ) { 51 this.name = name; 52 this.description = description; 53 } 54 55 public MonitoredObject getChild( String name ) { 56 synchronized( this ) { 57 return (MonitoredObject) children.get( name ); 58 } 59 } 60 61 public Collection getChildren( ) { 62 synchronized( this ) { 63 return children.values(); 64 } 65 } 66 67 public void addChild( MonitoredObject m ) { 68 if (m != null){ 69 synchronized( this ) { 70 children.put( m.getName(), m); 71 m.setParent( this ); 72 } 73 } 74 } 75 76 public void removeChild( String name ) { 77 if (name != null){ 78 synchronized( this ) { 79 children.remove( name ); 80 } 81 } 82 } 83 84 public synchronized MonitoredObject getParent( ) { 85 return parent; 86 } 87 88 public synchronized void setParent( MonitoredObject p ) { 89 parent = p; 90 } 91 92 public MonitoredAttribute getAttribute( String name ) { 93 synchronized( this ) { 94 return (MonitoredAttribute) monitoredAttributes.get( name ); 95 } 96 } 97 98 public Collection getAttributes( ) { 99 synchronized( this ) { 100 return monitoredAttributes.values(); 101 } 102 } 103 104 public void addAttribute( MonitoredAttribute value ) { 105 if (value != null) { 106 synchronized( this ) { 107 monitoredAttributes.put( value.getName(), value ); 108 } 109 } 110 } 111 112 public void removeAttribute( String name ) { 113 if (name != null) { 114 synchronized( this ) { 115 monitoredAttributes.remove( name ); 116 } 117 } 118 } 119 120 /** 121 * calls clearState() on all the registered children MonitoredObjects and 122 * MonitoredAttributes. 123 */ 124 public void clearState( ) { 125 synchronized( this ) { 126 Iterator i = monitoredAttributes.values().iterator(); 127 // First call clearState on all the local attributes 128 while( i.hasNext( ) ) { 129 ((MonitoredAttribute)i.next()).clearState(); 130 } 131 i = children.values().iterator(); 132 // next call clearState on all the children MonitoredObjects 133 while( i.hasNext() ) { 134 ((MonitoredObject)i.next()).clearState(); 135 } 136 } 137 } 138 139 public String getName( ) { 140 return name; 141 } 142 143 public String getDescription( ) { 144 return description; 145 } 146 }