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6e512b93 ASL |
1 | /******************************************************************************* |
2 | * Copyright (c) 2009 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: | |
b513223f | 10 | * Alvaro Sanchez-Leon - Initial API and implementation |
6e512b93 ASL |
11 | *******************************************************************************/ |
12 | package org.eclipse.linuxtools.lttng.ui.views.controlflow.model; | |
13 | ||
b513223f FC |
14 | import java.util.HashMap; |
15 | import java.util.Iterator; | |
6e512b93 | 16 | |
2211df66 | 17 | import org.eclipse.linuxtools.lttng.TraceDebug; |
6e512b93 ASL |
18 | import org.eclipse.linuxtools.lttng.ui.model.trange.TimeRangeEventProcess; |
19 | ||
20 | /** | |
b513223f | 21 | * Contains the processes in use by the Control flow view |
6e512b93 ASL |
22 | * |
23 | * @author alvaro | |
24 | * | |
25 | */ | |
8035003b | 26 | public class FlowProcessContainer { |
6e512b93 ASL |
27 | // ======================================================================== |
28 | // Data | |
29 | // ======================================================================== | |
b513223f FC |
30 | private final HashMap<ProcessKey, TimeRangeEventProcess> allProcesses = new HashMap<ProcessKey, TimeRangeEventProcess>(); |
31 | private static Integer uniqueId = 0; | |
32 | ||
6e512b93 ASL |
33 | // ======================================================================== |
34 | // Constructor | |
35 | // ======================================================================== | |
36 | ||
37 | /** | |
38 | * Package level constructor | |
39 | */ | |
40 | FlowProcessContainer() { | |
41 | ||
42 | } | |
43 | ||
44 | // ======================================================================== | |
45 | // Methods | |
46 | // ======================================================================== | |
47 | /** | |
b513223f FC |
48 | * Interface to add a new process.<p> |
49 | * | |
50 | * Note : Process with the same key will be overwritten, it's calling function job to make sure the new process is unique. | |
6e512b93 | 51 | * |
b513223f | 52 | * @param newProcess The process to add |
6e512b93 | 53 | */ |
b513223f FC |
54 | public void addProcess(TimeRangeEventProcess newProcess) { |
55 | if (newProcess != null) { | |
56 | allProcesses.put(new ProcessKey(newProcess), newProcess); | |
6e512b93 ASL |
57 | } |
58 | } | |
b513223f | 59 | |
6e512b93 | 60 | /** |
b513223f FC |
61 | * Request a unique ID |
62 | * | |
63 | * @return Integer | |
64 | */ | |
65 | public Integer getUniqueId() { | |
66 | return uniqueId++; | |
67 | } | |
68 | ||
69 | /** | |
70 | * This method is intended for read only purposes in order to keep the | |
71 | * internal data structure in synch | |
72 | * | |
73 | * @return TimeRangeEventProcess[] | |
74 | */ | |
75 | public TimeRangeEventProcess[] readProcesses() { | |
76 | // This allow us to return an Array of the correct type of the exact correct dimension, without looping | |
77 | return allProcesses.values().toArray(new TimeRangeEventProcess[allProcesses.size()]); | |
6e512b93 | 78 | } |
b513223f | 79 | |
6e512b93 | 80 | /** |
b513223f FC |
81 | * Clear the children information for processes related to a specific trace |
82 | * e.g. just before refreshing data with a new time range | |
83 | * | |
84 | * @param traceId The trace unique id (trace name?) on which we need to eliminate children. | |
85 | */ | |
8035003b | 86 | public void clearChildren(String traceId) { |
b513223f FC |
87 | TimeRangeEventProcess process = null; |
88 | Iterator<ProcessKey> iterator = allProcesses.keySet().iterator(); | |
89 | ||
90 | while (iterator.hasNext()) { | |
91 | process = allProcesses.get(iterator.next()); | |
92 | ||
93 | if (process.getTraceID().equals(traceId)) { | |
94 | // Reset clear childEventComposites() and traceEvents() | |
95 | // Also restore the nextGoodTime to the insertionTime for the drawing | |
96 | process.reset(); | |
97 | } | |
98 | } | |
6e512b93 | 99 | } |
b513223f | 100 | |
d712a5f3 | 101 | /** |
b513223f FC |
102 | * Clear all process items |
103 | */ | |
104 | public void clearProcesses() { | |
105 | allProcesses.clear(); | |
106 | } | |
107 | ||
108 | /** | |
109 | * Remove the process related to a specific trace e.g. during trace | |
110 | * removal | |
111 | * | |
112 | * @param traceId The trace unique id (trace name?) on which we want to remove process | |
113 | */ | |
8035003b | 114 | public void removeProcesses(String traceId) { |
b513223f FC |
115 | ProcessKey iterKey = null; |
116 | ||
117 | Iterator<ProcessKey> iterator = allProcesses.keySet().iterator(); | |
118 | while (iterator.hasNext()) { | |
119 | iterKey = iterator.next(); | |
120 | ||
121 | if (allProcesses.get(iterKey).getTraceID().equals(traceId)) { | |
122 | allProcesses.remove(iterKey); | |
123 | } | |
124 | } | |
dfaf8391 | 125 | } |
b513223f FC |
126 | |
127 | /** | |
128 | * Search by keys (pid, cpuId, traceId and creationTime)<p> | |
129 | * | |
130 | * A match is returned if the four arguments received match an entry | |
131 | * Otherwise null is returned | |
132 | * | |
133 | * @param searchedPid The processId (Pid) we are looking for | |
134 | * @param searchedCpuId The cpu Id we are looking for | |
135 | * @param searchedTraceID The traceId (trace name?) we are looking for | |
136 | * @param searchedCreationtime The creation time we are looking for | |
137 | * | |
138 | * @return TimeRangeEventProcess | |
139 | */ | |
140 | public TimeRangeEventProcess findProcess(Long searchedPid, Long searchedCpuId, String searchedTraceID, Long searchedCreationtime) { | |
141 | // Get the TimeRangeEventProcess associated to a key we create here | |
142 | TimeRangeEventProcess foundProcess = allProcesses.get( new ProcessKey(searchedPid, searchedCpuId, searchedTraceID, searchedCreationtime) ); | |
143 | ||
144 | return foundProcess; | |
145 | } | |
146 | } | |
dfaf8391 | 147 | |
6e512b93 | 148 | |
b513223f FC |
149 | class ProcessKey { |
150 | private TimeRangeEventProcess valueRef = null; | |
151 | ||
152 | private Long pid = null; | |
153 | private Long cpuId = null; | |
154 | private String traceId = null; | |
155 | private Long creationtime = null; | |
156 | ||
157 | @SuppressWarnings("unused") | |
158 | private ProcessKey() { } | |
159 | ||
160 | public ProcessKey(TimeRangeEventProcess newRef) { | |
161 | valueRef = newRef; | |
162 | } | |
163 | ||
164 | public ProcessKey(Long newPid, Long newCpuId, String newTraceId, Long newCreationTime) { | |
165 | pid = newPid; | |
166 | cpuId = newCpuId; | |
167 | traceId = newTraceId; | |
168 | creationtime = newCreationTime; | |
169 | } | |
170 | ||
171 | @Override | |
172 | public boolean equals(Object obj) { | |
173 | boolean isSame = false; | |
174 | ||
175 | if ( obj instanceof ProcessKey ) { | |
176 | ProcessKey procKey = (ProcessKey) obj; | |
2211df66 FC |
177 | |
178 | if ( valueRef != null ) { | |
179 | if ( (procKey.getPid().equals(valueRef.getPid()) ) && | |
180 | (procKey.getTraceId().equals(valueRef.getTraceID()) ) && | |
181 | (procKey.getCpuId().equals(valueRef.getCpu()) ) && | |
182 | (procKey.getCreationtime().equals(valueRef.getCreationTime()) ) ) | |
183 | { | |
184 | isSame = true; | |
185 | } | |
186 | } | |
187 | else { | |
188 | if ( (procKey.getPid().equals(this.pid ) ) && | |
189 | (procKey.getTraceId().equals(this.traceId ) ) && | |
190 | (procKey.getCpuId().equals(this.cpuId ) ) && | |
191 | (procKey.getCreationtime().equals(this.creationtime ) ) ) | |
192 | { | |
193 | isSame = true; | |
194 | } | |
195 | } | |
196 | } | |
197 | else { | |
198 | TraceDebug.debug("ERROR : The given key is not of the type ProcessKey!" + obj.getClass().toString()); | |
b513223f FC |
199 | } |
200 | ||
201 | return isSame; | |
202 | } | |
203 | ||
204 | // *** WARNING : Everything in there work because the check "valueRef != null" is the same for ALL getter | |
205 | // Do NOT change this check without checking. | |
206 | public Long getPid() { | |
207 | if ( valueRef != null ) { | |
208 | return valueRef.getPid(); | |
209 | } | |
210 | else { | |
211 | return pid; | |
212 | } | |
213 | } | |
214 | ||
215 | public Long getCpuId() { | |
216 | if ( valueRef != null ) { | |
217 | return valueRef.getCpu(); | |
218 | } | |
219 | else { | |
220 | return cpuId; | |
221 | } | |
222 | } | |
223 | ||
224 | public String getTraceId() { | |
225 | if ( valueRef != null ) { | |
226 | return valueRef.getTraceID(); | |
227 | } | |
228 | else { | |
229 | return traceId; | |
230 | } | |
231 | } | |
232 | ||
233 | public Long getCreationtime() { | |
234 | if ( valueRef != null ) { | |
235 | return valueRef.getCreationTime(); | |
236 | } | |
237 | else { | |
238 | return creationtime; | |
239 | } | |
240 | } | |
241 | ||
242 | @Override | |
243 | public int hashCode() { | |
244 | return this.toString().hashCode(); | |
245 | } | |
246 | ||
247 | ||
248 | @Override | |
249 | public String toString() { | |
250 | if ( valueRef != null ) { | |
251 | return (valueRef.getPid().toString() + ":" + valueRef.getCpu().toString() + ":" + valueRef.getTraceID().toString() + ":" + valueRef.getCreationTime().toString()); | |
252 | } | |
253 | ||
254 | return (pid + ":" + cpuId + ":" + traceId + ":" + creationtime); | |
255 | } | |
6e512b93 | 256 | } |