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6e512b93 | 1 | /******************************************************************************* |
e0752744 | 2 | * Copyright (c) 2009, 2010, 2011, 2012 Ericsson |
6e512b93 ASL |
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: | |
b59134e1 | 10 | * William Bourque - Initial API and implementation |
c392540b FC |
11 | * Yuriy Vashchuk - GUI reorganisation, simplification and some related code improvements. |
12 | * Yuriy Vashchuk - Histograms optimisation. | |
13 | * Yuriy Vashchuk - Histogram Canvas Heritage correction | |
14 | * Francois Chouinard - Cleanup and refactoring | |
e0752744 | 15 | * Francois Chouinard - Moved from LTTng to TMF |
6e512b93 | 16 | *******************************************************************************/ |
3e9fdb8b | 17 | |
e0752744 | 18 | package org.eclipse.linuxtools.tmf.ui.views.histogram; |
6e512b93 | 19 | |
e0752744 | 20 | import org.eclipse.linuxtools.tmf.core.event.ITmfEvent; |
4df4581d | 21 | import org.eclipse.linuxtools.tmf.core.event.ITmfTimestamp; |
6c13869b FC |
22 | import org.eclipse.linuxtools.tmf.core.event.TmfTimeRange; |
23 | import org.eclipse.linuxtools.tmf.core.event.TmfTimestamp; | |
6c13869b | 24 | import org.eclipse.linuxtools.tmf.core.request.ITmfDataRequest.ExecutionType; |
f6ad2e3d | 25 | import org.eclipse.linuxtools.tmf.core.request.TmfDataRequest; |
6c13869b FC |
26 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentRangeUpdatedSignal; |
27 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentSelectedSignal; | |
a28d503d | 28 | import org.eclipse.linuxtools.tmf.core.signal.TmfExperimentUpdatedSignal; |
6c13869b FC |
29 | import org.eclipse.linuxtools.tmf.core.signal.TmfRangeSynchSignal; |
30 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalHandler; | |
31 | import org.eclipse.linuxtools.tmf.core.signal.TmfSignalManager; | |
32 | import org.eclipse.linuxtools.tmf.core.signal.TmfTimeSynchSignal; | |
9e0640dc | 33 | import org.eclipse.linuxtools.tmf.core.trace.TmfExperiment; |
b59134e1 WB |
34 | import org.eclipse.linuxtools.tmf.ui.views.TmfView; |
35 | import org.eclipse.swt.SWT; | |
36 | import org.eclipse.swt.layout.GridData; | |
252ae4bd | 37 | import org.eclipse.swt.layout.GridLayout; |
6e512b93 | 38 | import org.eclipse.swt.widgets.Composite; |
6e512b93 | 39 | |
544fe9b7 | 40 | /** |
12c155f5 | 41 | * The purpose of this view is to provide graphical time distribution statistics about the experiment/trace events. |
544fe9b7 | 42 | * <p> |
c392540b FC |
43 | * The view is composed of two histograms and two controls: |
44 | * <ul> | |
45 | * <li>an event distribution histogram for the whole experiment; | |
46 | * <li>an event distribution histogram for current time window (window span); | |
47 | * <li>the timestamp of the currently selected event; | |
48 | * <li>the window span (size of the time window of the smaller histogram). | |
49 | * </ul> | |
50 | * The histograms x-axis show their respective time range. | |
2af7df97 FC |
51 | * |
52 | * @version 1.0 | |
53 | * @author Francois Chouinard | |
544fe9b7 | 54 | */ |
c392540b FC |
55 | public class HistogramView extends TmfView { |
56 | ||
57 | // ------------------------------------------------------------------------ | |
58 | // Constants | |
59 | // ------------------------------------------------------------------------ | |
60 | ||
b544077e BH |
61 | /** |
62 | * The view ID as defined in plugin.xml | |
63 | */ | |
e0752744 | 64 | public static final String ID = "org.eclipse.linuxtools.tmf.ui.views.histogram"; //$NON-NLS-1$ |
c392540b | 65 | |
b544077e BH |
66 | /** |
67 | * The initial window span (in nanoseconds) | |
68 | */ | |
1cceddbe | 69 | public static final long INITIAL_WINDOW_SPAN = (1L * 100 * 1000 * 1000); // .1sec |
c392540b FC |
70 | |
71 | // Time scale | |
72 | private final byte TIME_SCALE = Histogram.TIME_SCALE; | |
73 | ||
74 | // ------------------------------------------------------------------------ | |
75 | // Attributes | |
76 | // ------------------------------------------------------------------------ | |
77 | ||
78 | // Parent widget | |
79 | private Composite fParent; | |
80 | ||
81 | // The current experiment | |
e0752744 | 82 | private TmfExperiment<ITmfEvent> fCurrentExperiment; |
c392540b FC |
83 | |
84 | // Current timestamp/time window | |
85 | private long fExperimentStartTime; | |
86 | private long fExperimentEndTime; | |
87 | private long fWindowStartTime; | |
88 | private long fWindowEndTime; | |
89 | private long fWindowSpan = INITIAL_WINDOW_SPAN; | |
90 | private long fCurrentTimestamp; | |
91 | ||
92 | // Time controls | |
93 | private HistogramTextControl fCurrentEventTimeControl; | |
94 | private HistogramTextControl fTimeSpanControl; | |
95 | ||
96 | // Histogram/request for the full trace range | |
97 | private static FullTraceHistogram fFullTraceHistogram; | |
98 | private HistogramRequest fFullTraceRequest; | |
99 | ||
100 | // Histogram/request for the selected time range | |
101 | private static TimeRangeHistogram fTimeRangeHistogram; | |
102 | private HistogramRequest fTimeRangeRequest; | |
103 | ||
104 | // ------------------------------------------------------------------------ | |
105 | // Constructor | |
106 | // ------------------------------------------------------------------------ | |
107 | ||
b544077e BH |
108 | /** |
109 | * Default constructor | |
110 | */ | |
c392540b FC |
111 | public HistogramView() { |
112 | super(ID); | |
113 | } | |
114 | ||
6a13fa07 | 115 | @Override |
c392540b | 116 | public void dispose() { |
4dc47e28 FC |
117 | if (fTimeRangeRequest != null && !fTimeRangeRequest.isCompleted()) { |
118 | fTimeRangeRequest.cancel(); | |
119 | } | |
120 | if (fFullTraceRequest != null && !fFullTraceRequest.isCompleted()) { | |
121 | fFullTraceRequest.cancel(); | |
122 | } | |
6a13fa07 FC |
123 | fFullTraceHistogram.dispose(); |
124 | fTimeRangeHistogram.dispose(); | |
4dc47e28 | 125 | super.dispose(); |
c392540b FC |
126 | } |
127 | ||
128 | // ------------------------------------------------------------------------ | |
129 | // TmfView | |
130 | // ------------------------------------------------------------------------ | |
131 | ||
132 | @Override | |
b59134e1 | 133 | @SuppressWarnings("unchecked") |
c392540b FC |
134 | public void createPartControl(Composite parent) { |
135 | ||
136 | fParent = parent; | |
137 | ||
138 | // Control labels | |
139 | final String currentEventLabel = Messages.HistogramView_currentEventLabel; | |
140 | final String windowSpanLabel = Messages.HistogramView_windowSpanLabel; | |
141 | ||
142 | // -------------------------------------------------------------------- | |
143 | // Set the HistogramView layout | |
144 | // -------------------------------------------------------------------- | |
145 | ||
146 | Composite viewComposite = new Composite(fParent, SWT.FILL); | |
147 | GridLayout gridLayout = new GridLayout(); | |
148 | gridLayout.numColumns = 2; | |
149 | gridLayout.horizontalSpacing = 5; | |
150 | gridLayout.verticalSpacing = 0; | |
151 | gridLayout.marginHeight = 0; | |
152 | gridLayout.marginWidth = 0; | |
153 | viewComposite.setLayout(gridLayout); | |
154 | ||
155 | // Use all available space | |
156 | GridData gridData = new GridData(); | |
157 | gridData.horizontalAlignment = SWT.FILL; | |
158 | gridData.verticalAlignment = SWT.FILL; | |
159 | gridData.grabExcessHorizontalSpace = true; | |
160 | viewComposite.setLayoutData(gridData); | |
161 | ||
162 | // -------------------------------------------------------------------- | |
163 | // Time controls | |
164 | // -------------------------------------------------------------------- | |
165 | ||
166 | Composite controlsComposite = new Composite(viewComposite, SWT.FILL); | |
167 | gridLayout = new GridLayout(); | |
168 | gridLayout.numColumns = 2; | |
169 | gridLayout.marginHeight = 0; | |
170 | gridLayout.marginWidth = 0; | |
171 | gridLayout.horizontalSpacing = 5; | |
172 | gridLayout.verticalSpacing = 0; | |
173 | gridLayout.makeColumnsEqualWidth = true; | |
174 | gridLayout.marginLeft = 5; | |
175 | gridLayout.marginRight = 5; | |
176 | controlsComposite.setLayout(gridLayout); | |
177 | ||
178 | // Current event time control | |
179 | gridData = new GridData(); | |
180 | gridData.horizontalAlignment = SWT.CENTER; | |
181 | gridData.verticalAlignment = SWT.CENTER; | |
0301dc43 | 182 | fCurrentEventTimeControl = new HistogramCurrentTimeControl(this, controlsComposite, SWT.BORDER, SWT.NONE, |
12c155f5 | 183 | currentEventLabel, HistogramUtils.nanosecondsToString(0L)); |
c392540b FC |
184 | fCurrentEventTimeControl.setLayoutData(gridData); |
185 | ||
186 | // Window span time control | |
187 | gridData = new GridData(); | |
188 | gridData.horizontalAlignment = SWT.CENTER; | |
189 | gridData.verticalAlignment = SWT.CENTER; | |
0301dc43 | 190 | fTimeSpanControl = new HistogramTimeRangeControl(this, controlsComposite, SWT.BORDER, SWT.NONE, |
12c155f5 | 191 | windowSpanLabel, HistogramUtils.nanosecondsToString(0L)); |
c392540b FC |
192 | fTimeSpanControl.setLayoutData(gridData); |
193 | ||
194 | // -------------------------------------------------------------------- | |
195 | // Time range histogram | |
196 | // -------------------------------------------------------------------- | |
197 | ||
198 | Composite timeRangeComposite = new Composite(viewComposite, SWT.FILL); | |
199 | gridLayout = new GridLayout(); | |
200 | gridLayout.numColumns = 1; | |
201 | gridLayout.marginHeight = 0; | |
202 | gridLayout.marginWidth = 0; | |
203 | gridLayout.marginTop = 5; | |
204 | gridLayout.horizontalSpacing = 0; | |
205 | gridLayout.verticalSpacing = 0; | |
206 | gridLayout.marginLeft = 5; | |
207 | gridLayout.marginRight = 5; | |
208 | timeRangeComposite.setLayout(gridLayout); | |
209 | ||
210 | // Use remaining horizontal space | |
211 | gridData = new GridData(); | |
212 | gridData.horizontalAlignment = SWT.FILL; | |
213 | gridData.verticalAlignment = SWT.FILL; | |
214 | gridData.grabExcessHorizontalSpace = true; | |
215 | timeRangeComposite.setLayoutData(gridData); | |
216 | ||
217 | // Histogram | |
218 | fTimeRangeHistogram = new TimeRangeHistogram(this, timeRangeComposite); | |
219 | ||
220 | // -------------------------------------------------------------------- | |
221 | // Full range histogram | |
222 | // -------------------------------------------------------------------- | |
223 | ||
224 | Composite fullRangeComposite = new Composite(viewComposite, SWT.FILL); | |
225 | gridLayout = new GridLayout(); | |
226 | gridLayout.numColumns = 1; | |
227 | gridLayout.marginHeight = 0; | |
228 | gridLayout.marginWidth = 0; | |
229 | gridLayout.marginTop = 5; | |
230 | gridLayout.horizontalSpacing = 0; | |
231 | gridLayout.verticalSpacing = 0; | |
232 | gridLayout.marginLeft = 5; | |
233 | gridLayout.marginRight = 5; | |
234 | fullRangeComposite.setLayout(gridLayout); | |
235 | ||
236 | // Use remaining horizontal space | |
237 | gridData = new GridData(); | |
238 | gridData.horizontalAlignment = SWT.FILL; | |
239 | gridData.verticalAlignment = SWT.FILL; | |
240 | gridData.horizontalSpan = 2; | |
241 | gridData.grabExcessHorizontalSpace = true; | |
242 | fullRangeComposite.setLayoutData(gridData); | |
243 | ||
244 | // Histogram | |
245 | fFullTraceHistogram = new FullTraceHistogram(this, fullRangeComposite); | |
246 | ||
247 | // Load the experiment if present | |
e0752744 | 248 | fCurrentExperiment = (TmfExperiment<ITmfEvent>) TmfExperiment.getCurrentExperiment(); |
c392540b FC |
249 | if (fCurrentExperiment != null) |
250 | loadExperiment(); | |
ecfd1d41 | 251 | } |
c392540b FC |
252 | |
253 | @Override | |
3e9fdb8b | 254 | @SuppressWarnings("unchecked") |
c392540b | 255 | public void setFocus() { |
e0752744 | 256 | TmfExperiment<ITmfEvent> experiment = (TmfExperiment<ITmfEvent>) TmfExperiment.getCurrentExperiment(); |
c392540b FC |
257 | if ((experiment != null) && (experiment != fCurrentExperiment)) { |
258 | fCurrentExperiment = experiment; | |
259 | initializeHistograms(); | |
260 | } | |
261 | fParent.redraw(); | |
833a21aa | 262 | } |
c392540b FC |
263 | |
264 | // ------------------------------------------------------------------------ | |
265 | // Accessors | |
266 | // ------------------------------------------------------------------------ | |
267 | ||
b544077e BH |
268 | /** |
269 | * Returns the time range of the current selected window (base on default time scale). | |
270 | * | |
271 | * @return the time range of current selected window. | |
272 | */ | |
c392540b | 273 | public TmfTimeRange getTimeRange() { |
12c155f5 FC |
274 | return new TmfTimeRange(new TmfTimestamp(fWindowStartTime, TIME_SCALE), new TmfTimestamp(fWindowEndTime, |
275 | TIME_SCALE)); | |
c392540b FC |
276 | } |
277 | ||
278 | // ------------------------------------------------------------------------ | |
279 | // Operations | |
280 | // ------------------------------------------------------------------------ | |
281 | ||
b544077e BH |
282 | /** |
283 | * Broadcast TmfSignal about new current time value. | |
284 | * @param newTime the new current time. | |
285 | */ | |
c392540b FC |
286 | public void updateCurrentEventTime(long newTime) { |
287 | if (fCurrentExperiment != null) { | |
a4115405 | 288 | TmfTimeRange timeRange = new TmfTimeRange(new TmfTimestamp(newTime, TIME_SCALE), TmfTimestamp.BIG_CRUNCH); |
f6ad2e3d | 289 | HistogramRequest request = new HistogramRequest(fTimeRangeHistogram.getDataModel(), timeRange, 0, 1, 0, ExecutionType.FOREGROUND) { |
c392540b | 290 | @Override |
e0752744 | 291 | public void handleData(ITmfEvent event) { |
c392540b FC |
292 | if (event != null) { |
293 | TmfTimeSynchSignal signal = new TmfTimeSynchSignal(this, event.getTimestamp()); | |
294 | TmfSignalManager.dispatchSignal(signal); | |
295 | } | |
296 | } | |
297 | }; | |
298 | fCurrentExperiment.sendRequest(request); | |
299 | } | |
300 | } | |
301 | ||
b544077e BH |
302 | /** |
303 | * Broadcast TmfSignal about new selected time range. | |
304 | * @param startTime the new start time | |
305 | * @param endTime the new end time | |
306 | */ | |
c392540b FC |
307 | public void updateTimeRange(long startTime, long endTime) { |
308 | if (fCurrentExperiment != null) { | |
309 | // Build the new time range; keep the current time | |
12c155f5 FC |
310 | TmfTimeRange timeRange = new TmfTimeRange(new TmfTimestamp(startTime, TIME_SCALE), new TmfTimestamp( |
311 | endTime, TIME_SCALE)); | |
c392540b | 312 | TmfTimestamp currentTime = new TmfTimestamp(fCurrentTimestamp, TIME_SCALE); |
6a13fa07 | 313 | |
c392540b FC |
314 | fTimeSpanControl.setValue(endTime - startTime); |
315 | ||
316 | // Send the FW signal | |
317 | TmfRangeSynchSignal signal = new TmfRangeSynchSignal(this, timeRange, currentTime); | |
318 | TmfSignalManager.dispatchSignal(signal); | |
319 | } | |
320 | } | |
321 | ||
b544077e BH |
322 | /** |
323 | * Broadcast TmfSignal about new selected time range. | |
324 | * @param newDuration new duration (relative to current start time) | |
325 | */ | |
c392540b FC |
326 | public synchronized void updateTimeRange(long newDuration) { |
327 | if (fCurrentExperiment != null) { | |
6a13fa07 FC |
328 | long delta = newDuration - fWindowSpan; |
329 | long newStartTime = fWindowStartTime + delta / 2; | |
330 | setNewRange(newStartTime, newDuration); | |
c392540b FC |
331 | } |
332 | } | |
333 | ||
334 | private void setNewRange(long startTime, long duration) { | |
335 | if (startTime < fExperimentStartTime) | |
6a13fa07 | 336 | startTime = fExperimentStartTime; |
c392540b FC |
337 | |
338 | long endTime = startTime + duration; | |
339 | if (endTime > fExperimentEndTime) { | |
6a13fa07 FC |
340 | endTime = fExperimentEndTime; |
341 | if (endTime - duration > fExperimentStartTime) | |
342 | startTime = endTime - duration; | |
343 | else { | |
344 | startTime = fExperimentStartTime; | |
345 | } | |
c392540b FC |
346 | } |
347 | updateTimeRange(startTime, endTime); | |
833a21aa | 348 | } |
c392540b FC |
349 | |
350 | // ------------------------------------------------------------------------ | |
351 | // Signal handlers | |
352 | // ------------------------------------------------------------------------ | |
353 | ||
b544077e BH |
354 | /** |
355 | * Handles experiment selected signal. Loads histogram if new experiment time range is not | |
356 | * equal <code>TmfTimeRange.NULL_RANGE</code> | |
357 | * @param signal the experiment selected signal | |
358 | */ | |
1406f802 | 359 | @TmfSignalHandler |
c392540b | 360 | @SuppressWarnings("unchecked") |
e0752744 | 361 | public void experimentSelected(TmfExperimentSelectedSignal<ITmfEvent> signal) { |
c392540b | 362 | assert (signal != null); |
e0752744 | 363 | fCurrentExperiment = (TmfExperiment<ITmfEvent>) signal.getExperiment(); |
c392540b | 364 | loadExperiment(); |
ecfd1d41 | 365 | } |
550d787e | 366 | |
c392540b | 367 | private void loadExperiment() { |
c392540b FC |
368 | initializeHistograms(); |
369 | fParent.redraw(); | |
550d787e FC |
370 | } |
371 | ||
b544077e BH |
372 | /** |
373 | * Handles experiment range updated signal. Extends histogram according to the new time range. If a | |
374 | * HistogramRequest is already ongoing, it will be cancelled and a new request with the new range | |
375 | * will be issued. | |
376 | * | |
377 | * @param signal the experiment range updated signal | |
378 | */ | |
74237cc3 | 379 | @TmfSignalHandler |
74237cc3 FC |
380 | public void experimentRangeUpdated(TmfExperimentRangeUpdatedSignal signal) { |
381 | ||
09d11238 PT |
382 | if (signal.getExperiment() != fCurrentExperiment) { |
383 | return; | |
384 | } | |
385 | ||
74237cc3 FC |
386 | boolean drawTimeRangeHistogram = fExperimentStartTime == 0; |
387 | TmfTimeRange fullRange = signal.getRange(); | |
388 | ||
cbfc3c2a PT |
389 | fExperimentStartTime = fullRange.getStartTime().normalize(0, -9).getValue(); |
390 | fExperimentEndTime = fullRange.getEndTime().normalize(0, -9).getValue(); | |
74237cc3 FC |
391 | |
392 | fFullTraceHistogram.setFullRange(fExperimentStartTime, fExperimentEndTime); | |
393 | fTimeRangeHistogram.setFullRange(fExperimentStartTime, fExperimentEndTime); | |
394 | ||
395 | if (drawTimeRangeHistogram) { | |
396 | fCurrentTimestamp = fExperimentStartTime; | |
397 | fCurrentEventTimeControl.setValue(fCurrentTimestamp); | |
398 | fFullTraceHistogram.setTimeRange(fExperimentStartTime, INITIAL_WINDOW_SPAN); | |
399 | fTimeRangeHistogram.setTimeRange(fExperimentStartTime, INITIAL_WINDOW_SPAN); | |
400 | sendTimeRangeRequest(fExperimentStartTime, fExperimentStartTime + INITIAL_WINDOW_SPAN); | |
401 | } | |
402 | ||
403 | sendFullRangeRequest(fullRange); | |
404 | } | |
c392540b | 405 | |
b544077e BH |
406 | /** |
407 | * Handles the experiment updated signal. Used to update time limits (start and end time) | |
408 | * @param signal the experiment updated signal | |
409 | */ | |
a28d503d PT |
410 | @TmfSignalHandler |
411 | public void experimentUpdated(TmfExperimentUpdatedSignal signal) { | |
412 | if (signal.getExperiment() != fCurrentExperiment) { | |
413 | return; | |
414 | } | |
415 | TmfTimeRange fullRange = signal.getExperiment().getTimeRange(); | |
cbfc3c2a PT |
416 | fExperimentStartTime = fullRange.getStartTime().normalize(0, -9).getValue(); |
417 | fExperimentEndTime = fullRange.getEndTime().normalize(0, -9).getValue(); | |
a28d503d PT |
418 | |
419 | fFullTraceHistogram.setFullRange(fExperimentStartTime, fExperimentEndTime); | |
420 | fTimeRangeHistogram.setFullRange(fExperimentStartTime, fExperimentEndTime); | |
421 | } | |
422 | ||
b544077e BH |
423 | /** |
424 | * Handles the current time updated signal. Sets the current time in the time range | |
425 | * histogram as well as the full histogram. | |
426 | * | |
427 | * @param signal the signal to process | |
428 | */ | |
c392540b FC |
429 | @TmfSignalHandler |
430 | public void currentTimeUpdated(TmfTimeSynchSignal signal) { | |
431 | // Because this can't happen :-) | |
432 | assert (signal != null); | |
433 | ||
434 | // Update the selected event time | |
4df4581d | 435 | ITmfTimestamp currentTime = signal.getCurrentTime(); |
cbfc3c2a | 436 | fCurrentTimestamp = currentTime.normalize(0, -9).getValue(); |
c392540b FC |
437 | |
438 | // Notify the relevant widgets | |
439 | fFullTraceHistogram.setCurrentEvent(fCurrentTimestamp); | |
440 | fTimeRangeHistogram.setCurrentEvent(fCurrentTimestamp); | |
441 | fCurrentEventTimeControl.setValue(fCurrentTimestamp); | |
ecfd1d41 | 442 | } |
f05aabed | 443 | |
b544077e BH |
444 | /** |
445 | * Updates the current time range in the time range histogram and full range histogram. | |
446 | * @param signal the signal to process | |
447 | */ | |
c392540b FC |
448 | @TmfSignalHandler |
449 | public void timeRangeUpdated(TmfRangeSynchSignal signal) { | |
450 | // Because this can't happen :-) | |
451 | assert (signal != null); | |
452 | ||
453 | if (fCurrentExperiment != null) { | |
454 | // Update the time range | |
cbfc3c2a PT |
455 | fWindowStartTime = signal.getCurrentRange().getStartTime().normalize(0, -9).getValue(); |
456 | fWindowEndTime = signal.getCurrentRange().getEndTime().normalize(0, -9).getValue(); | |
c392540b FC |
457 | fWindowSpan = fWindowEndTime - fWindowStartTime; |
458 | ||
459 | // Notify the relevant widgets | |
460 | sendTimeRangeRequest(fWindowStartTime, fWindowEndTime); | |
461 | fFullTraceHistogram.setTimeRange(fWindowStartTime, fWindowSpan); | |
462 | fTimeSpanControl.setValue(fWindowSpan); | |
463 | } | |
b59134e1 | 464 | } |
c392540b FC |
465 | |
466 | // ------------------------------------------------------------------------ | |
467 | // Helper functions | |
468 | // ------------------------------------------------------------------------ | |
469 | ||
470 | private void initializeHistograms() { | |
74237cc3 FC |
471 | TmfTimeRange fullRange = updateExperimentTimeRange(fCurrentExperiment); |
472 | ||
473 | fTimeRangeHistogram.clear(); | |
c392540b FC |
474 | fTimeRangeHistogram.setFullRange(fExperimentStartTime, fExperimentEndTime); |
475 | fTimeRangeHistogram.setTimeRange(fExperimentStartTime, INITIAL_WINDOW_SPAN); | |
476 | fTimeRangeHistogram.setCurrentEvent(fExperimentStartTime); | |
477 | ||
74237cc3 | 478 | fFullTraceHistogram.clear(); |
6a13fa07 | 479 | fFullTraceHistogram.setFullRange(fExperimentStartTime, fExperimentEndTime); |
c392540b FC |
480 | fFullTraceHistogram.setTimeRange(fExperimentStartTime, INITIAL_WINDOW_SPAN); |
481 | fFullTraceHistogram.setCurrentEvent(fExperimentStartTime); | |
482 | ||
483 | fWindowStartTime = fExperimentStartTime; | |
484 | fWindowSpan = INITIAL_WINDOW_SPAN; | |
485 | fWindowEndTime = fWindowStartTime + fWindowSpan; | |
6a13fa07 | 486 | |
c392540b FC |
487 | fCurrentEventTimeControl.setValue(fExperimentStartTime); |
488 | fTimeSpanControl.setValue(fWindowSpan); | |
6a13fa07 | 489 | |
2af7df97 FC |
490 | if (!fullRange.equals(TmfTimeRange.NULL_RANGE)) { |
491 | sendTimeRangeRequest(fExperimentStartTime, fExperimentStartTime + fWindowSpan); | |
492 | sendFullRangeRequest(fullRange); | |
493 | } | |
74237cc3 FC |
494 | } |
495 | ||
e0752744 | 496 | private TmfTimeRange updateExperimentTimeRange(TmfExperiment<ITmfEvent> experiment) { |
74237cc3 FC |
497 | fExperimentStartTime = 0; |
498 | fExperimentEndTime = 0; | |
499 | fCurrentTimestamp = 0; | |
500 | ||
501 | TmfTimeRange timeRange = fCurrentExperiment.getTimeRange(); | |
c6023803 | 502 | if (!timeRange.equals(TmfTimeRange.NULL_RANGE)) { |
cbfc3c2a PT |
503 | fExperimentStartTime = timeRange.getStartTime().normalize(0, -9).getValue(); |
504 | fExperimentEndTime = timeRange.getEndTime().normalize(0, -9).getValue(); | |
74237cc3 FC |
505 | fCurrentTimestamp = fExperimentStartTime; |
506 | } | |
507 | return timeRange; | |
b59134e1 | 508 | } |
c392540b FC |
509 | |
510 | private void sendTimeRangeRequest(long startTime, long endTime) { | |
511 | if (fTimeRangeRequest != null && !fTimeRangeRequest.isCompleted()) { | |
512 | fTimeRangeRequest.cancel(); | |
088c1d4e | 513 | } |
c392540b FC |
514 | TmfTimestamp startTS = new TmfTimestamp(startTime, TIME_SCALE); |
515 | TmfTimestamp endTS = new TmfTimestamp(endTime, TIME_SCALE); | |
516 | TmfTimeRange timeRange = new TmfTimeRange(startTS, endTS); | |
517 | ||
518 | fTimeRangeHistogram.clear(); | |
519 | fTimeRangeHistogram.setTimeRange(startTime, endTime - startTime); | |
4cf201de | 520 | |
f6ad2e3d FC |
521 | int cacheSize = fCurrentExperiment.getCacheSize(); |
522 | fTimeRangeRequest = new HistogramRequest(fTimeRangeHistogram.getDataModel(), timeRange, 0, TmfDataRequest.ALL_DATA, cacheSize, ExecutionType.FOREGROUND); | |
c392540b | 523 | fCurrentExperiment.sendRequest(fTimeRangeRequest); |
088c1d4e | 524 | } |
c392540b | 525 | |
74237cc3 | 526 | private void sendFullRangeRequest(TmfTimeRange fullRange) { |
c392540b FC |
527 | if (fFullTraceRequest != null && !fFullTraceRequest.isCompleted()) { |
528 | fFullTraceRequest.cancel(); | |
529 | } | |
f6ad2e3d | 530 | int cacheSize = fCurrentExperiment.getCacheSize(); |
fbd124dd | 531 | fFullTraceRequest = new HistogramRequest(fFullTraceHistogram.getDataModel(), fullRange, (int) fFullTraceHistogram.fDataModel.getNbEvents(), |
f6ad2e3d | 532 | TmfDataRequest.ALL_DATA, cacheSize, ExecutionType.BACKGROUND); |
c392540b | 533 | fCurrentExperiment.sendRequest(fFullTraceRequest); |
ed4b3b9f | 534 | } |
c392540b | 535 | |
6e512b93 | 536 | } |