\r
public class TmfEventsCache {\r
\r
- public static class CachedEvent {\r
- ITmfEvent event;\r
- long rank;\r
+ public static class CachedEvent {\r
+ ITmfEvent event;\r
+ long rank;\r
\r
- public CachedEvent (ITmfEvent iTmfEvent, long rank) {\r
- this.event = iTmfEvent;\r
- this.rank = rank;\r
- }\r
- }\r
+ public CachedEvent (ITmfEvent iTmfEvent, long rank) {\r
+ this.event = iTmfEvent;\r
+ this.rank = rank;\r
+ }\r
+ }\r
\r
private final CachedEvent[] fCache;\r
private int fCacheStartIndex = 0;\r
private final List<Integer> fFilterIndex = new ArrayList<Integer>(); // contains the event rank at each 'cache size' filtered events\r
\r
public TmfEventsCache(int cacheSize, TmfEventsTable table) {\r
- fCache = new CachedEvent[cacheSize];\r
- fTable = table;\r
+ fCache = new CachedEvent[cacheSize];\r
+ fTable = table;\r
}\r
\r
public void setTrace(ITmfTrace<?> trace) {\r
- fTrace = trace;\r
- clear();\r
+ fTrace = trace;\r
+ clear();\r
}\r
\r
public synchronized void clear() {\r
- fCacheStartIndex = 0;\r
- fCacheEndIndex = 0;\r
- fFilterIndex.clear();\r
+ fCacheStartIndex = 0;\r
+ fCacheEndIndex = 0;\r
+ fFilterIndex.clear();\r
}\r
\r
public void applyFilter(ITmfFilter filter) {\r
- fFilter = filter;\r
- clear();\r
+ fFilter = filter;\r
+ clear();\r
}\r
\r
public void clearFilter() {\r
- fFilter = null;\r
- clear();\r
+ fFilter = null;\r
+ clear();\r
}\r
\r
public synchronized CachedEvent getEvent(int index) {\r
return fCache[i];\r
}\r
populateCache(index);\r
- return null;\r
+ return null;\r
}\r
\r
public synchronized CachedEvent peekEvent(int index) {\r
int i = index - fCacheStartIndex;\r
return fCache[i];\r
}\r
- return null;\r
+ return null;\r
}\r
\r
public synchronized void storeEvent(ITmfEvent event, long rank, int index) {\r
- if (fCacheStartIndex == fCacheEndIndex) {\r
- fCacheStartIndex = index;\r
- fCacheEndIndex = index;\r
- }\r
- if (index == fCacheEndIndex) {\r
- int i = index - fCacheStartIndex;\r
- if (i < fCache.length) {\r
- fCache[i] = new CachedEvent(event.clone(), rank);\r
- fCacheEndIndex++;\r
- }\r
- }\r
- if ((fFilter != null) && ((index % fCache.length) == 0)) {\r
- int i = index / fCache.length;\r
- fFilterIndex.add(i, Integer.valueOf((int) rank));\r
- }\r
+ if (index == fCacheEndIndex) {\r
+ int i = index - fCacheStartIndex;\r
+ if (i < fCache.length) {\r
+ fCache[i] = new CachedEvent(event.clone(), rank);\r
+ fCacheEndIndex++;\r
+ }\r
+ }\r
+ if ((fFilter != null) && ((index % fCache.length) == 0)) {\r
+ int i = index / fCache.length;\r
+ fFilterIndex.add(i, Integer.valueOf((int) rank));\r
+ }\r
}\r
\r
@SuppressWarnings("unchecked")\r
- public synchronized int getFilteredEventIndex(final long rank) {\r
- int current;\r
- int startRank;\r
- TmfDataRequest<ITmfEvent> request;\r
- synchronized (this) {\r
- int start = 0;\r
- int end = fFilterIndex.size();\r
-\r
- if ((fCacheEndIndex - fCacheStartIndex) > 1) {\r
- if (rank < fCache[0].rank) {\r
- end = (fCacheStartIndex / fCache.length) + 1;\r
- } else if (rank > fCache[fCacheEndIndex - fCacheStartIndex - 1].rank) {\r
- start = fCacheEndIndex / fCache.length;\r
- } else {\r
- for (int i = 0; i < (fCacheEndIndex - fCacheStartIndex); i++) {\r
- if (fCache[i].rank >= rank) {\r
- return fCacheStartIndex + i;\r
- }\r
- }\r
- return fCacheEndIndex;\r
- }\r
- }\r
-\r
- current = (start + end) / 2;\r
- while (current != start) {\r
- if (rank < fFilterIndex.get(current)) {\r
- end = current;\r
- current = (start + end) / 2;\r
- } else {\r
- start = current;\r
- current = (start + end) / 2;\r
- }\r
- }\r
- startRank = fFilterIndex.get(current);\r
- }\r
-\r
- final int index = current * fCache.length;\r
-\r
- class DataRequest<T extends ITmfEvent> extends TmfDataRequest<T> {\r
- int fRank;\r
- int fIndex;\r
-\r
- DataRequest(Class<T> dataType, int start, int nbRequested) {\r
- super(dataType, start, nbRequested);\r
- fRank = start;\r
- fIndex = index;\r
- }\r
-\r
- @Override\r
- public void handleData(T event) {\r
- super.handleData(event);\r
- if (isCancelled()) {\r
+ public int getFilteredEventIndex(final long rank) {\r
+ int current;\r
+ int startRank;\r
+ TmfDataRequest<ITmfEvent> request;\r
+ final ITmfFilter filter = fFilter;\r
+ synchronized (this) {\r
+ int start = 0;\r
+ int end = fFilterIndex.size();\r
+\r
+ if ((fCacheEndIndex - fCacheStartIndex) > 1) {\r
+ if (rank < fCache[0].rank) {\r
+ end = (fCacheStartIndex / fCache.length) + 1;\r
+ } else if (rank > fCache[fCacheEndIndex - fCacheStartIndex - 1].rank) {\r
+ start = fCacheEndIndex / fCache.length;\r
+ } else {\r
+ for (int i = 0; i < (fCacheEndIndex - fCacheStartIndex); i++) {\r
+ if (fCache[i].rank >= rank) {\r
+ return fCacheStartIndex + i;\r
+ }\r
+ }\r
+ return fCacheEndIndex;\r
+ }\r
+ }\r
+\r
+ current = (start + end) / 2;\r
+ while (current != start) {\r
+ if (rank < fFilterIndex.get(current)) {\r
+ end = current;\r
+ current = (start + end) / 2;\r
+ } else {\r
+ start = current;\r
+ current = (start + end) / 2;\r
+ }\r
+ }\r
+ startRank = fFilterIndex.size() > 0 ? fFilterIndex.get(current) : 0;\r
+ }\r
+\r
+ final int index = current * fCache.length;\r
+\r
+ class DataRequest<T extends ITmfEvent> extends TmfDataRequest<T> {\r
+ ITmfFilter fFilter;\r
+ int fRank;\r
+ int fIndex;\r
+\r
+ DataRequest(Class<T> dataType, ITmfFilter filter, int start, int nbRequested) {\r
+ super(dataType, start, nbRequested);\r
+ fFilter = filter;\r
+ fRank = start;\r
+ fIndex = index;\r
+ }\r
+\r
+ @Override\r
+ public void handleData(T event) {\r
+ super.handleData(event);\r
+ if (isCancelled()) {\r
return;\r
}\r
- if (fRank >= rank) {\r
- cancel();\r
- return;\r
- }\r
- fRank++;\r
- if (fFilter.matches(event)) {\r
- fIndex++;\r
- }\r
- }\r
-\r
- public int getFilteredIndex() {\r
- return fIndex;\r
+ if (fRank >= rank) {\r
+ cancel();\r
+ return;\r
+ }\r
+ fRank++;\r
+ if (fFilter.matches(event)) {\r
+ fIndex++;\r
+ }\r
+ }\r
+\r
+ public int getFilteredIndex() {\r
+ return fIndex;\r
}\r
- }\r
-\r
- request = new DataRequest<ITmfEvent>(ITmfEvent.class, startRank, TmfDataRequest.ALL_DATA);\r
- ((ITmfDataProvider<ITmfEvent>) fTrace).sendRequest(request);\r
- try {\r
- request.waitForCompletion();\r
- return ((DataRequest<ITmfEvent>) request).getFilteredIndex();\r
- } catch (InterruptedException e) {\r
- Activator.getDefault().logError("Filter request interrupted!", e); //$NON-NLS-1$\r
- }\r
- return 0;\r
+ }\r
+\r
+ request = new DataRequest<ITmfEvent>(ITmfEvent.class, filter, startRank, TmfDataRequest.ALL_DATA);\r
+ ((ITmfDataProvider<ITmfEvent>) fTrace).sendRequest(request);\r
+ try {\r
+ request.waitForCompletion();\r
+ return ((DataRequest<ITmfEvent>) request).getFilteredIndex();\r
+ } catch (InterruptedException e) {\r
+ Activator.getDefault().logError("Filter request interrupted!", e); //$NON-NLS-1$\r
+ }\r
+ return 0;\r
}\r
\r
// ------------------------------------------------------------------------\r
fCacheEndIndex = index;\r
\r
job = new Job("Fetching Events") { //$NON-NLS-1$\r
- private int startIndex = index;\r
- private int skipCount = 0;\r
+ private int startIndex = index;\r
+ private int skipCount = 0;\r
@Override\r
@SuppressWarnings("unchecked")\r
protected IStatus run(final IProgressMonitor monitor) {\r
\r
- int nbRequested;\r
- if (fFilter == null) {\r
- nbRequested = fCache.length;\r
- } else {\r
- nbRequested = TmfDataRequest.ALL_DATA;\r
- int i = index / fCache.length;\r
- if (i < fFilterIndex.size()) {\r
- startIndex = fFilterIndex.get(i);\r
- skipCount = index - (i * fCache.length);\r
- }\r
- }\r
+ int nbRequested;\r
+ if (fFilter == null) {\r
+ nbRequested = fCache.length;\r
+ } else {\r
+ nbRequested = TmfDataRequest.ALL_DATA;\r
+ int i = index / fCache.length;\r
+ if (i < fFilterIndex.size()) {\r
+ startIndex = fFilterIndex.get(i);\r
+ skipCount = index - (i * fCache.length);\r
+ }\r
+ }\r
\r
TmfDataRequest<ITmfEvent> request = new TmfDataRequest<ITmfEvent>(ITmfEvent.class, startIndex, nbRequested) {\r
private int count = 0;\r
}\r
super.handleData(event);\r
if (event != null) {\r
- if (((fFilter == null) || fFilter.matches(event)) && (skipCount-- <= 0)) {\r
- synchronized (TmfEventsCache.this) {\r
- fCache[count] = new CachedEvent(event.clone(), rank);\r
- count++;\r
- fCacheEndIndex++;\r
- }\r
+ if (((fFilter == null) || fFilter.matches(event)) && (skipCount-- <= 0)) {\r
+ synchronized (TmfEventsCache.this) {\r
+ fCache[count] = new CachedEvent(event.clone(), rank);\r
+ count++;\r
+ fCacheEndIndex++;\r
+ }\r
if (fFilter != null) {\r
- fTable.cacheUpdated(false);\r
+ fTable.cacheUpdated(false);\r
}\r
- }\r
+ }\r
}\r
if (count >= fCache.length) {\r
- cancel();\r
+ cancel();\r
} else if ((fFilter != null) && (count >= (fTable.getTable().getItemCount() - 3))) { // -1 for header row, -2 for top and bottom filter status rows\r
- cancel();\r
+ cancel();\r
}\r
rank++;\r
}\r
\r
// Flag the UI thread that the cache is ready\r
if (monitor.isCanceled()) {\r
- return Status.CANCEL_STATUS;\r
+ return Status.CANCEL_STATUS;\r
} else {\r
return Status.OK_STATUS;\r
}\r
projects / deliverable / tracecompass.git / commitdiff
