1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
/*******************************************************************************
* Copyright (c) 2011, 2014 Wind River Systems, Inc. and others. All rights reserved.
* This program and the accompanying materials are made available under the terms
* of the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.tcf.locator.nodes;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.PlatformObject;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.te.tcf.locator.activator.CoreBundleActivator;
import org.eclipse.tcf.te.tcf.locator.interfaces.IPeerModelListener;
import org.eclipse.tcf.te.tcf.locator.interfaces.ITracing;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModel;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerNode;
import org.eclipse.tcf.te.tcf.locator.interfaces.services.IPeerModelLookupService;
import org.eclipse.tcf.te.tcf.locator.interfaces.services.IPeerModelQueryService;
import org.eclipse.tcf.te.tcf.locator.interfaces.services.IPeerModelRefreshService;
import org.eclipse.tcf.te.tcf.locator.interfaces.services.IPeerModelService;
import org.eclipse.tcf.te.tcf.locator.interfaces.services.IPeerModelUpdateService;
import org.eclipse.tcf.te.tcf.locator.services.PeerModelLookupService;
import org.eclipse.tcf.te.tcf.locator.services.PeerModelQueryService;
import org.eclipse.tcf.te.tcf.locator.services.PeerModelRefreshService;
import org.eclipse.tcf.te.tcf.locator.services.PeerModelUpdateService;
/**
* Default peer model implementation.
*/
public class PeerModel extends PlatformObject implements IPeerModel {
// The unique model id
private final UUID uniqueId = UUID.randomUUID();
// Flag to mark the model disposed
private boolean disposed;
// The list of known peer nodes
/* default */ final Map<String, IPeerNode> peerNodes = new HashMap<String, IPeerNode>();
// The list of registered model listeners
private final List<IPeerModelListener> modelListener = new ArrayList<IPeerModelListener>();
// Reference to the refresh service
private final IPeerModelRefreshService refreshService = new PeerModelRefreshService(this);
// Reference to the lookup service
private final IPeerModelLookupService lookupService = new PeerModelLookupService(this);
// Reference to the update service
private final IPeerModelUpdateService updateService = new PeerModelUpdateService(this);
// Reference to the query service
private final IPeerModelQueryService queryService = new PeerModelQueryService(this);
/**
* Constructor.
*/
public PeerModel() {
super();
disposed = false;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.core.interfaces.nodes.ILocatorModel#addListener(org.eclipse.tcf.te.tcf.locator.core.interfaces.IModelListener)
*/
@Override
public void addListener(IPeerModelListener listener) {
Assert.isNotNull(listener);
if (CoreBundleActivator.getTraceHandler().isSlotEnabled(0, ITracing.ID_TRACE_PEER_MODEL)) {
CoreBundleActivator.getTraceHandler().trace("PeerModel.addListener( " + listener + " )", ITracing.ID_TRACE_PEER_MODEL, this); //$NON-NLS-1$ //$NON-NLS-2$
}
if (!modelListener.contains(listener)) modelListener.add(listener);
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.core.interfaces.nodes.ILocatorModel#removeListener(org.eclipse.tcf.te.tcf.locator.core.interfaces.IModelListener)
*/
@Override
public void removeListener(IPeerModelListener listener) {
Assert.isNotNull(listener);
if (CoreBundleActivator.getTraceHandler().isSlotEnabled(0, ITracing.ID_TRACE_PEER_MODEL)) {
CoreBundleActivator.getTraceHandler().trace("PeerModel.removeListener( " + listener + " )", ITracing.ID_TRACE_PEER_MODEL, this); //$NON-NLS-1$ //$NON-NLS-2$
}
modelListener.remove(listener);
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModel#getListener()
*/
@Override
public IPeerModelListener[] getListener() {
Assert.isTrue(Protocol.isDispatchThread(), "Illegal Thread Access"); //$NON-NLS-1$
return modelListener.toArray(new IPeerModelListener[modelListener.size()]);
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.core.interfaces.nodes.ILocatorModel#dispose()
*/
@Override
public void dispose() {
Assert.isTrue(Protocol.isDispatchThread(), "Illegal Thread Access"); //$NON-NLS-1$
if (CoreBundleActivator.getTraceHandler().isSlotEnabled(0, ITracing.ID_TRACE_PEER_MODEL)) {
CoreBundleActivator.getTraceHandler().trace("PeerModel.dispose()", ITracing.ID_TRACE_PEER_MODEL, this); //$NON-NLS-1$
}
// If already disposed, we are done immediately
if (disposed) return;
disposed = true;
final IPeerModelListener[] listeners = getListener();
if (listeners.length > 0) {
Protocol.invokeLater(new Runnable() {
@Override
public void run() {
for (IPeerModelListener listener : listeners) {
listener.modelDisposed(PeerModel.this);
}
}
});
}
modelListener.clear();
peerNodes.clear();
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.core.interfaces.nodes.ILocatorModel#isDisposed()
*/
@Override
public boolean isDisposed() {
return disposed;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.core.interfaces.nodes.ILocatorModel#getPeers()
*/
@Override
public IPeerNode[] getPeerNodes() {
// We explicitly allow to access the current set of peer nodes
// from any thread. The method returns a snapshot of the current
// set of peer nodes.
List<IPeerNode> values = new ArrayList<IPeerNode>(peerNodes.values());
return values.toArray(new IPeerNode[values.size()]);
}
/* (non-Javadoc)
* @see org.eclipse.core.runtime.PlatformObject#getAdapter(java.lang.Class)
*/
@Override
public Object getAdapter(Class adapter) {
if (adapter.isAssignableFrom(IPeerModelRefreshService.class)) {
return refreshService;
}
if (adapter.isAssignableFrom(IPeerModelLookupService.class)) {
return lookupService;
}
if (adapter.isAssignableFrom(IPeerModelUpdateService.class)) {
return updateService;
}
if (adapter.isAssignableFrom(IPeerModelQueryService.class)) {
return queryService;
}
if (adapter.isAssignableFrom(Map.class)) {
return peerNodes;
}
return super.getAdapter(adapter);
}
/* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
return uniqueId.hashCode();
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.locator.core.interfaces.nodes.ILocatorModel#getService(java.lang.Class)
*/
@Override
@SuppressWarnings("unchecked")
public <V extends IPeerModelService> V getService(Class<V> serviceInterface) {
Assert.isNotNull(serviceInterface);
return (V)getAdapter(serviceInterface);
}
}
|
