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Diffstat (limited to 'lttng/org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/histogram/HistogramRequest.java')
-rw-r--r--lttng/org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/histogram/HistogramRequest.java121
1 files changed, 75 insertions, 46 deletions
diff --git a/lttng/org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/histogram/HistogramRequest.java b/lttng/org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/histogram/HistogramRequest.java
index 9d43a7ddb8..4426326b5a 100644
--- a/lttng/org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/histogram/HistogramRequest.java
+++ b/lttng/org.eclipse.linuxtools.lttng.ui/src/org/eclipse/linuxtools/lttng/ui/views/histogram/HistogramRequest.java
@@ -8,6 +8,9 @@
*
* Contributors:
* William Bourque - Initial API and implementation
+ *
+ * Modifications:
+ * 2010-07-16 Yuriy Vashchuk - Heritage correction.
*******************************************************************************/
package org.eclipse.linuxtools.lttng.ui.views.histogram;
@@ -23,18 +26,22 @@ import org.eclipse.linuxtools.tmf.request.TmfEventRequest;
* <p>
*/
public class HistogramRequest extends TmfEventRequest<LttngEvent> {
- protected HistogramContent histogramContent = null;
+/*
+ private HistogramContent histogramContent = null;
+*/
- protected int lastInterval = 0;
- protected long lastRangeTime = 0L;
- protected long nbEventsInInterval = 0L;
+ private int lastInterval = 0;
+ private long lastRangeTime = 0L;
+ private long nbEventsInInterval = 0L;
- protected int nbIntervalNotEmpty = 1;
- protected int nbEventRead = 0;
+ private int nbIntervalNotEmpty = 1;
+ private int nbEventRead = 0;
- protected int lastDrawPosition = 0;
+ private int lastDrawPosition = 0;
- protected HistogramCanvas parentCanvas = null;
+ private HistogramCanvas parentCanvas = null;
+
+ private boolean isCompleted = false;
/**
* Constructor for HistogramRequest.<p>
@@ -50,17 +57,18 @@ public class HistogramRequest extends TmfEventRequest<LttngEvent> {
public HistogramRequest(TmfTimeRange range, int nbRequested, HistogramCanvas newParentCanvas, long timeInterval, ITmfDataRequest.ExecutionType execType) {
super((Class<LttngEvent>)LttngEvent.class, range, nbRequested, HistogramConstant.MAX_EVENTS_PER_READ, execType);
+ setIsCompleted(false);
+
// *** FIXME ***
// This does not work! The request won't be processed or the number of events returned is wrong!
// We cannot use this !
//super((Class<LttngEvent>)dataType, range);
parentCanvas = newParentCanvas;
- histogramContent = parentCanvas.getHistogramContent();
// Reset the content of the HistogramContent... the given data better be valid or this will fail.
- histogramContent.clearContentData();
- histogramContent.resetTable(range.getStartTime().getValue(), range.getEndTime().getValue(), timeInterval);
+ parentCanvas.getHistogramContent().clearContentData();
+ parentCanvas.getHistogramContent().resetTable(range.getStartTime().getValue(), range.getEndTime().getValue(), timeInterval);
lastRangeTime = range.getStartTime().getValue();
@@ -86,24 +94,26 @@ public class HistogramRequest extends TmfEventRequest<LttngEvent> {
if (event != null) {
LttngEvent tmpEvent = (LttngEvent) event;
+
+// Tracer.trace("Hst: " + event.getTimestamp());
// This check is linked to the evil fix mentionned above
- if ( ( tmpEvent.getTimestamp().getValue() >= histogramContent.getStartTime() ) &&
- ( tmpEvent.getTimestamp().getValue() <= histogramContent.getEndTime() ) )
+ if ( ( tmpEvent.getTimestamp().getValue() >= parentCanvas.getHistogramContent().getStartTime() ) &&
+ ( tmpEvent.getTimestamp().getValue() <= parentCanvas.getHistogramContent().getEndTime() ) )
{
// Distance (in time) between this event and the last one we read
long distance = ( tmpEvent.getTimestamp().getValue() - lastRangeTime );
// Check if we changed of interval (the distance is higher than the interval time)
- if ( distance > histogramContent.getElementsTimeInterval() ) {
+ if ( distance > parentCanvas.getHistogramContent().getElementsTimeInterval() ) {
- histogramContent.getElementByIndex(lastInterval).intervalNbEvents = nbEventsInInterval;
+ parentCanvas.getHistogramContent().getElementByIndex(lastInterval).intervalNbEvents = nbEventsInInterval;
lastRangeTime = tmpEvent.getTimestamp().getValue();
// * NOTE *
// We can skip several interval at once, so we need to find what was our interval now
- lastInterval = (int)((lastRangeTime - histogramContent.getStartTime()) / histogramContent.getElementsTimeInterval() );
+ lastInterval = (int)((lastRangeTime - parentCanvas.getHistogramContent().getStartTime()) / parentCanvas.getHistogramContent().getElementsTimeInterval() );
// *** HACK ***
// Because of the threads, weird phenomenons seem to happen here, like a position after the
@@ -112,14 +122,14 @@ public class HistogramRequest extends TmfEventRequest<LttngEvent> {
if ( lastInterval < 0 ) {
lastInterval = 0;
}
- else if ( lastInterval >= histogramContent.getNbElement() ) {
- lastInterval = (histogramContent.getNbElement()-1);
+ else if ( lastInterval >= parentCanvas.getHistogramContent().getNbElement() ) {
+ lastInterval = (parentCanvas.getHistogramContent().getNbElement()-1);
}
// * NOTE *
// We save the time we have here. This mean only the FIRST time read in an interval will be saved.
- histogramContent.getElementByIndex(lastInterval).firstIntervalTimestamp = lastRangeTime;
- histogramContent.setReadyUpToPosition(lastInterval);
+ parentCanvas.getHistogramContent().getElementByIndex(lastInterval).firstIntervalTimestamp = lastRangeTime;
+ parentCanvas.getHistogramContent().setReadyUpToPosition(lastInterval);
nbIntervalNotEmpty++;
nbEventsInInterval = 1L;
@@ -129,8 +139,8 @@ public class HistogramRequest extends TmfEventRequest<LttngEvent> {
nbEventsInInterval++;
}
- if ( nbEventsInInterval > histogramContent.getHeighestEventCount() ) {
- histogramContent.setHeighestEventCount(nbEventsInInterval);
+ if ( nbEventsInInterval > parentCanvas.getHistogramContent().getHeighestEventCount() ) {
+ parentCanvas.getHistogramContent().setHeighestEventCount(nbEventsInInterval);
}
nbEventRead++;
@@ -145,9 +155,9 @@ public class HistogramRequest extends TmfEventRequest<LttngEvent> {
// Save the last interval we had, so we won't miss the very last events at the end.
else {
// Save the last events
- histogramContent.getElementByIndex(lastInterval).intervalNbEvents = nbEventsInInterval;
+ parentCanvas.getHistogramContent().getElementByIndex(lastInterval).intervalNbEvents = nbEventsInInterval;
// We reached the end of the request, so assume we fill up the content as well
- histogramContent.setReadyUpToPosition(histogramContent.getNbElement());
+ parentCanvas.getHistogramContent().setReadyUpToPosition(parentCanvas.getHistogramContent().getNbElement());
// If the interval wasn't null, count this as a "non empty" interval
if (nbEventsInInterval > 0) {
@@ -162,25 +172,28 @@ public class HistogramRequest extends TmfEventRequest<LttngEvent> {
*/
@Override
public void handleCompleted() {
+ setIsCompleted(true);
parentCanvas.notifyParentUpdatedInformationAsynchronously();
redrawAsyncronously();
+ super.handleCompleted();
+// System.out.println(System.currentTimeMillis() + ": HistogramView (" + ((getExecType() == ExecutionType.LONG) ? "long" : "short") + ") completed");
}
- /**
- * Function that is called when the request completed successfully.<p>
- */
- @Override
- public void handleSuccess() {
- // Nothing different from completed.
- }
+// /**
+// * Function that is called when the request completed successfully.<p>
+// */
+// @Override
+// public void handleSuccess() {
+// // Nothing different from completed.
+// }
- /**
- * Function that is called when the request completed in failure.<p>
- */
- @Override
- public void handleFailure() {
- // Nothing different from cancel.
- }
+// /**
+// * Function that is called when the request completed in failure.<p>
+// */
+// @Override
+// public void handleFailure() {
+// // Nothing different from cancel.
+// }
/**
* Function that is called when the request was cancelled.<p>
@@ -203,24 +216,24 @@ public class HistogramRequest extends TmfEventRequest<LttngEvent> {
averageNumberOfEvents = (int)Math.ceil((double)nbEventRead / (double)nbIntervalNotEmpty);
}
else {
- averageNumberOfEvents = (int)Math.ceil((double)nbEventRead / (double)histogramContent.getNbElement());
+ averageNumberOfEvents = (int)Math.ceil((double)nbEventRead / (double)parentCanvas.getHistogramContent().getNbElement());
}
- histogramContent.setAverageNumberOfEvents(averageNumberOfEvents);
+ parentCanvas.getHistogramContent().setAverageNumberOfEvents(averageNumberOfEvents);
// It is possible that the height factor didn't change;
// If not, we only need to redraw the updated section, no the whole content
// Save the actual height, recalculate the height and check if there was any changes
- double previousHeightFactor = histogramContent.getHeightFactor();
- histogramContent.recalculateHeightFactor();
- if ( histogramContent.getHeightFactor() != previousHeightFactor ) {
- histogramContent.recalculateEventHeight();
+ double previousHeightFactor = parentCanvas.getHistogramContent().getHeightFactor();
+ parentCanvas.getHistogramContent().recalculateHeightFactor();
+ if ( parentCanvas.getHistogramContent().getHeightFactor() != previousHeightFactor ) {
+ parentCanvas.getHistogramContent().recalculateEventHeight();
}
else {
- histogramContent.recalculateEventHeightInInterval(lastDrawPosition, histogramContent.getReadyUpToPosition());
+ parentCanvas.getHistogramContent().recalculateEventHeightInInterval(lastDrawPosition, parentCanvas.getHistogramContent().getReadyUpToPosition());
}
- lastDrawPosition = histogramContent.getReadyUpToPosition();
+ lastDrawPosition = parentCanvas.getHistogramContent().getReadyUpToPosition();
}
/**
@@ -231,5 +244,21 @@ public class HistogramRequest extends TmfEventRequest<LttngEvent> {
// Canvas redraw is already asynchronous
parentCanvas.redrawAsynchronously();
}
+
+ /**
+ * Getter for isCompleted variable
+ * @return true if the request is completed
+ */
+ public boolean getIsCompleted() {
+ return isCompleted;
+ }
+
+ /**
+ * Setter for isCompleted variable
+ * @param isCompleted value to set the completed flag
+ */
+ public void setIsCompleted(boolean isCompleted) {
+ this.isCompleted = isCompleted;
+ }
}

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