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1 | /******************************************************************************* |
2 | * Copyright (c) 2009, 2010 Ericsson | |
3 | * | |
4 | * All rights reserved. This program and the accompanying materials are | |
5 | * made available under the terms of the Eclipse Public License v1.0 which | |
6 | * accompanies this distribution, and is available at | |
7 | * http://www.eclipse.org/legal/epl-v10.html | |
8 | * | |
9 | * Contributors: | |
10 | * Francois Chouinard - Initial API and implementation | |
11 | *******************************************************************************/ | |
12 | ||
6c13869b | 13 | package org.eclipse.linuxtools.tmf.core.request; |
8c8bf09f ASL |
14 | |
15 | import java.util.Vector; | |
16 | ||
72f1e62a | 17 | import org.eclipse.linuxtools.tmf.core.event.ITmfEvent; |
8c8bf09f ASL |
18 | |
19 | /** | |
20 | * <b><u>TmfCoalescedDataRequest</u></b> | |
21 | * <p> | |
22 | * TODO: Implement me. Please. | |
23 | */ | |
72f1e62a | 24 | public class TmfCoalescedDataRequest<T extends ITmfEvent> extends TmfDataRequest<T> { |
8c8bf09f ASL |
25 | |
26 | // ------------------------------------------------------------------------ | |
27 | // Attributes | |
28 | // ------------------------------------------------------------------------ | |
29 | ||
2fb2eb37 | 30 | protected Vector<ITmfDataRequest<T>> fRequests = new Vector<ITmfDataRequest<T>>(); |
8c8bf09f ASL |
31 | |
32 | // ------------------------------------------------------------------------ | |
33 | // Constructor | |
34 | // ------------------------------------------------------------------------ | |
35 | ||
36 | /** | |
37 | * Default constructor | |
38 | */ | |
39 | public TmfCoalescedDataRequest(Class<T> dataType) { | |
f6b14ce2 | 40 | this(dataType, 0, ALL_DATA, DEFAULT_BLOCK_SIZE, ExecutionType.FOREGROUND); |
cb866e08 FC |
41 | } |
42 | ||
43 | public TmfCoalescedDataRequest(Class<T> dataType, ExecutionType execType) { | |
44 | this(dataType, 0, ALL_DATA, DEFAULT_BLOCK_SIZE, execType); | |
8c8bf09f ASL |
45 | } |
46 | ||
47 | /** | |
48 | * @param nbRequested | |
49 | */ | |
50 | public TmfCoalescedDataRequest(Class<T> dataType, int index) { | |
f6b14ce2 | 51 | this(dataType, index, ALL_DATA, DEFAULT_BLOCK_SIZE, ExecutionType.FOREGROUND); |
cb866e08 FC |
52 | } |
53 | ||
54 | public TmfCoalescedDataRequest(Class<T> dataType, int index, ExecutionType execType) { | |
55 | this(dataType, index, ALL_DATA, DEFAULT_BLOCK_SIZE, execType); | |
8c8bf09f ASL |
56 | } |
57 | ||
58 | /** | |
59 | * @param index | |
60 | * @param nbRequested | |
61 | */ | |
62 | public TmfCoalescedDataRequest(Class<T> dataType, int index, int nbRequested) { | |
f6b14ce2 | 63 | this(dataType, index, nbRequested, DEFAULT_BLOCK_SIZE, ExecutionType.FOREGROUND); |
cb866e08 FC |
64 | } |
65 | ||
66 | public TmfCoalescedDataRequest(Class<T> dataType, int index, int nbRequested, ExecutionType execType) { | |
67 | this(dataType, index, nbRequested, DEFAULT_BLOCK_SIZE, execType); | |
8c8bf09f ASL |
68 | } |
69 | ||
70 | /** | |
71 | * @param index | |
72 | * @param nbRequested | |
73 | * @param blockSize | |
74 | */ | |
75 | public TmfCoalescedDataRequest(Class<T> dataType, int index, int nbRequested, int blockSize) { | |
f6b14ce2 | 76 | super(dataType, index, nbRequested, blockSize, ExecutionType.FOREGROUND); |
cb866e08 FC |
77 | } |
78 | ||
79 | public TmfCoalescedDataRequest(Class<T> dataType, int index, int nbRequested, int blockSize, ExecutionType execType) { | |
80 | super(dataType, index, nbRequested, blockSize, execType); | |
8c8bf09f ASL |
81 | } |
82 | ||
83 | // ------------------------------------------------------------------------ | |
84 | // Management | |
85 | // ------------------------------------------------------------------------ | |
86 | ||
2fb2eb37 | 87 | public void addRequest(ITmfDataRequest<T> request) { |
8c8bf09f ASL |
88 | fRequests.add(request); |
89 | } | |
90 | ||
f9673903 | 91 | public boolean isCompatible(ITmfDataRequest<T> request) { |
8c8bf09f | 92 | |
f9673903 FC |
93 | boolean ok = request.getIndex() == getIndex(); |
94 | ok &= request.getNbRequested() == getNbRequested(); | |
95 | ok &= request.getExecType() == getExecType(); | |
1b70b6dc | 96 | //ok &= request.getDataType() == getDataType(); |
8c8bf09f ASL |
97 | |
98 | return ok; | |
99 | } | |
100 | ||
101 | // ------------------------------------------------------------------------ | |
102 | // ITmfDataRequest | |
103 | // ------------------------------------------------------------------------ | |
104 | ||
105 | @Override | |
f9673903 FC |
106 | public void handleData(T data) { |
107 | super.handleData(data); | |
108 | // Don't call sub-requests handleData() unless this is a | |
109 | // TmfCoalescedDataRequest; extended classes should call | |
110 | // the sub-requests handleData(). | |
111 | if (getClass() == TmfCoalescedDataRequest.class) { | |
112 | for (ITmfDataRequest<T> request : fRequests) { | |
c1c69938 | 113 | if (!request.isCompleted()) { |
1b70b6dc PT |
114 | if (request.getDataType().isInstance(data)) { |
115 | request.handleData(data); | |
116 | } | |
c1c69938 | 117 | } |
f9673903 FC |
118 | } |
119 | } | |
8c8bf09f ASL |
120 | } |
121 | ||
c1c69938 FC |
122 | @Override |
123 | public void start() { | |
124 | for (ITmfDataRequest<T> request : fRequests) { | |
125 | if (!request.isCompleted()) { | |
126 | request.start(); | |
127 | } | |
128 | } | |
129 | super.start(); | |
130 | } | |
131 | ||
f9673903 FC |
132 | @Override |
133 | public void done() { | |
2fb2eb37 | 134 | for (ITmfDataRequest<T> request : fRequests) { |
c1c69938 FC |
135 | if (!request.isCompleted()) { |
136 | request.done(); | |
137 | } | |
8c8bf09f | 138 | } |
2fb2eb37 | 139 | super.done(); |
8c8bf09f ASL |
140 | } |
141 | ||
142 | @Override | |
f9673903 | 143 | public void fail() { |
2fb2eb37 FC |
144 | for (ITmfDataRequest<T> request : fRequests) { |
145 | request.fail(); | |
8c8bf09f | 146 | } |
2fb2eb37 | 147 | super.fail(); |
8c8bf09f ASL |
148 | } |
149 | ||
150 | @Override | |
f9673903 | 151 | public void cancel() { |
2fb2eb37 | 152 | for (ITmfDataRequest<T> request : fRequests) { |
c1c69938 FC |
153 | if (!request.isCompleted()) { |
154 | request.cancel(); | |
155 | } | |
8c8bf09f | 156 | } |
2fb2eb37 | 157 | super.cancel(); |
8c8bf09f | 158 | } |
c1c69938 FC |
159 | |
160 | @Override | |
161 | public boolean isCompleted() { | |
162 | // Firstly, check if coalescing request is completed | |
163 | if (super.isCompleted()) { | |
164 | return true; | |
165 | } | |
166 | ||
167 | // Secondly, check if all sub-requests are finished | |
168 | if (fRequests.size() > 0) { | |
169 | // If all sub requests are completed the coalesced request is | |
170 | // treated as completed, too. | |
171 | for (ITmfDataRequest<T> request : fRequests) { | |
172 | if (!request.isCompleted()) { | |
173 | return false; | |
174 | } | |
175 | } | |
176 | return true; | |
177 | } | |
178 | ||
179 | // Coalescing request is not finished if there are no sub-requests | |
180 | return false; | |
181 | } | |
8c8bf09f | 182 | |
c1c69938 FC |
183 | @Override |
184 | public boolean isCancelled() { | |
185 | // Firstly, check if coalescing request is canceled | |
186 | if (super.isCancelled()) { | |
187 | return true; | |
188 | } | |
189 | ||
190 | // Secondly, check if all sub-requests are canceled | |
191 | if (fRequests.size() > 0) { | |
192 | // If all sub requests are canceled the coalesced request is | |
193 | // treated as completed, too. | |
194 | for (ITmfDataRequest<T> request : fRequests) { | |
195 | if (!request.isCancelled()) { | |
196 | return false; | |
197 | } | |
198 | } | |
199 | return true; | |
200 | } | |
201 | ||
202 | // Coalescing request is not canceled if there are no sub-requests | |
203 | return false; | |
204 | ||
205 | } | |
206 | ||
207 | ||
2fb2eb37 FC |
208 | // ------------------------------------------------------------------------ |
209 | // Object | |
210 | // ------------------------------------------------------------------------ | |
8c8bf09f ASL |
211 | |
212 | @Override | |
2fb2eb37 FC |
213 | // All requests have a unique id |
214 | public int hashCode() { | |
215 | return super.hashCode(); | |
8c8bf09f ASL |
216 | } |
217 | ||
218 | @Override | |
2fb2eb37 FC |
219 | public boolean equals(Object other) { |
220 | if (other instanceof TmfCoalescedDataRequest<?>) { | |
221 | TmfCoalescedDataRequest<?> request = (TmfCoalescedDataRequest<?>) other; | |
cb866e08 FC |
222 | return (request.getDataType() == getDataType()) && |
223 | (request.getIndex() == getIndex()) && | |
224 | (request.getNbRequested() == getNbRequested() && | |
225 | (request.getExecType() == getExecType())); | |
2fb2eb37 FC |
226 | } |
227 | return false; | |
8c8bf09f ASL |
228 | } |
229 | ||
230 | @Override | |
3b38ea61 | 231 | @SuppressWarnings("nls") |
2fb2eb37 FC |
232 | public String toString() { |
233 | return "[TmfCoalescedDataRequest(" + getRequestId() + "," + getDataType().getSimpleName() | |
8016d660 | 234 | + "," + getIndex() + "," + getNbRequested() + "," + getBlockSize() + ")]"; |
8c8bf09f | 235 | } |
8c8bf09f | 236 | } |