import org.eclipse.linuxtools.tmf.core.exceptions.TmfTraceException;
import org.eclipse.linuxtools.tmf.core.request.ITmfDataRequest;
import org.eclipse.linuxtools.tmf.core.request.ITmfEventRequest;
+import org.eclipse.linuxtools.tmf.core.statesystem.ITmfStateSystem;
+import org.eclipse.linuxtools.tmf.core.statistics.ITmfStatistics;
+import org.eclipse.linuxtools.tmf.core.statistics.TmfStateStatistics;
/**
* Abstract implementation of ITmfTrace.
* @see ITmfTraceIndexer
* @see ITmfEventParser
*/
-public abstract class TmfTrace<T extends ITmfEvent> extends TmfEventProvider<T> implements ITmfTrace<T> {
+public abstract class TmfTrace extends TmfEventProvider implements ITmfTrace {
// ------------------------------------------------------------------------
// Attributes
private long fStreamingInterval = 0;
// The trace indexer
- private ITmfTraceIndexer<ITmfTrace<ITmfEvent>> fIndexer;
+ private ITmfTraceIndexer fIndexer;
// The trace parser
- private ITmfEventParser<T> fParser;
+ private ITmfEventParser fParser;
+
+ // The trace's statistics
+ private ITmfStatistics fStatistics;
// ------------------------------------------------------------------------
// Construction
* @param type the trace event type
* @param path the trace path
* @param cacheSize the trace cache size
- * @throws TmfTraceException
+ * @throws TmfTraceException If something failed during the opening
*/
- protected TmfTrace(final IResource resource, final Class<T> type, final String path, final int cacheSize) throws TmfTraceException {
+ protected TmfTrace(final IResource resource, final Class<? extends ITmfEvent> type, final String path, final int cacheSize) throws TmfTraceException {
this(resource, type, path, cacheSize, 0);
}
* @param path the trace path
* @param cacheSize the trace cache size
* @param interval the trace streaming interval
- * @throws TmfTraceException
+ * @throws TmfTraceException If something failed during the opening
*/
- protected TmfTrace(final IResource resource, final Class<T> type, final String path, final int cacheSize, final long interval) throws TmfTraceException {
+ protected TmfTrace(final IResource resource, final Class<? extends ITmfEvent> type, final String path, final int cacheSize, final long interval) throws TmfTraceException {
this(resource, type, path, cacheSize, interval, null);
}
* @param type the trace event type
* @param path the trace path
* @param cacheSize the trace cache size
+ * @param interval the trace streaming interval
* @param indexer the trace indexer
- * @throws TmfTraceException
+ * @throws TmfTraceException If something failed during the opening
*/
- protected TmfTrace(final IResource resource, final Class<T> type, final String path, final int cacheSize,
- final long interval, final ITmfTraceIndexer<?> indexer) throws TmfTraceException {
+ protected TmfTrace(final IResource resource, final Class<? extends ITmfEvent> type, final String path, final int cacheSize,
+ final long interval, final ITmfTraceIndexer indexer) throws TmfTraceException {
this(resource, type, path, cacheSize, interval, indexer, null);
}
* @param type the trace event type
* @param path the trace path
* @param cacheSize the trace cache size
+ * @param interval the trace streaming interval
* @param indexer the trace indexer
* @param parser the trace event parser
- * @throws TmfTraceException
+ * @throws TmfTraceException If something failed during the opening
*/
- @SuppressWarnings({ "unchecked", "rawtypes" })
- protected TmfTrace(final IResource resource, final Class<T> type, final String path, final int cacheSize,
- final long interval, final ITmfTraceIndexer<?> indexer, final ITmfEventParser<T> parser) throws TmfTraceException {
+ protected TmfTrace(final IResource resource, final Class<? extends ITmfEvent> type, final String path, final int cacheSize,
+ final long interval, final ITmfTraceIndexer indexer, final ITmfEventParser parser) throws TmfTraceException {
super();
fCacheSize = (cacheSize > 0) ? cacheSize : ITmfTrace.DEFAULT_TRACE_CACHE_SIZE;
fStreamingInterval = interval;
* @param trace the original trace
* @throws TmfTraceException Should not happen usually
*/
- @SuppressWarnings({ "unchecked", "rawtypes" })
- public TmfTrace(final TmfTrace<T> trace) throws TmfTraceException {
+ public TmfTrace(final TmfTrace trace) throws TmfTraceException {
super();
if (trace == null) {
throw new IllegalArgumentException();
* @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#initTrace(org.eclipse.core.resources.IResource, java.lang.String, java.lang.Class)
*/
@Override
- @SuppressWarnings({ "unchecked", "rawtypes" })
- public void initTrace(final IResource resource, final String path, final Class<T> type) throws TmfTraceException {
+ public void initTrace(final IResource resource, final String path, final Class<? extends ITmfEvent> type) throws TmfTraceException {
fIndexer = new TmfCheckpointIndexer(this, fCacheSize);
initialize(resource, path, type);
}
* @param path the trace path
* @param type the trace event type
*
- * @throws TmfTraceException
+ * @throws TmfTraceException If something failed during the initialization
*/
- @SuppressWarnings("unchecked")
- protected void initialize(final IResource resource, final String path, final Class<T> type) throws TmfTraceException {
+ protected void initialize(final IResource resource, final String path, final Class<? extends ITmfEvent> type) throws TmfTraceException {
if (path == null) {
throw new TmfTraceException("Invalid trace path"); //$NON-NLS-1$
}
}
if (fParser == null) {
if (this instanceof ITmfEventParser) {
- fParser = (ITmfEventParser<T>) this;
+ fParser = (ITmfEventParser) this;
} else {
throw new TmfTraceException("Invalid trace parser"); //$NON-NLS-1$
}
}
super.init(traceName, type);
+
+ buildStatistics();
}
/**
getIndexer().buildIndex(0, TmfTimeRange.ETERNITY, waitForCompletion);
}
+ /**
+ * The default implementation of TmfTrace uses a TmfStatistics back-end.
+ * Override this if you want to specify another type (or none at all).
+ *
+ * @throws TmfTraceException
+ * If there was a problem setting up the statistics
+ * @since 2.0
+ */
+ protected void buildStatistics() throws TmfTraceException {
+ /*
+ * Initialize the statistics provider, but only if a Resource has been
+ * set (so we don't build it for experiments, for unit tests, etc.)
+ */
+ fStatistics = (fResource == null ? null : new TmfStateStatistics(this) );
+ }
+
/**
* Clears the trace
*/
@Override
public synchronized void dispose() {
- // Clean up the index if applicable
+ /* Clean up the index if applicable */
if (getIndexer() != null) {
getIndexer().dispose();
}
+
+ /* Clean up the statistics */
+ if (fStatistics != null) {
+ fStatistics.dispose();
+ }
super.dispose();
}
* @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#getEventType()
*/
@Override
- @SuppressWarnings("unchecked")
- public Class<T> getEventType() {
- return (Class<T>) super.getType();
+ public Class<ITmfEvent> getEventType() {
+ return (Class<ITmfEvent>) super.getType();
}
/* (non-Javadoc)
/**
* @return the trace indexer
*/
- protected ITmfTraceIndexer<ITmfTrace<ITmfEvent>> getIndexer() {
+ protected ITmfTraceIndexer getIndexer() {
return fIndexer;
}
/**
* @return the trace parser
*/
- protected ITmfEventParser<T> getParser() {
+ protected ITmfEventParser getParser() {
return fParser;
}
+ /**
+ * @since 2.0
+ */
+ @Override
+ public ITmfStatistics getStatistics() {
+ return fStatistics;
+ }
+
+ /**
+ * @since 2.0
+ */
+ @Override
+ public ITmfStateSystem getStateSystem() {
+ /*
+ * By default, no state system is used. Sub-classes can specify their
+ * own behaviour.
+ */
+ return null;
+ }
+
// ------------------------------------------------------------------------
// ITmfTrace - Trace characteristics getters
// ------------------------------------------------------------------------
*/
@Override
public ITmfTimestamp getStartTime() {
- return fStartTime.clone();
+ return fStartTime;
}
/* (non-Javadoc)
*/
@Override
public ITmfTimestamp getEndTime() {
- return fEndTime.clone();
+ return fEndTime;
}
// ------------------------------------------------------------------------
* @param range the new time range
*/
protected void setTimeRange(final TmfTimeRange range) {
- fStartTime = range.getStartTime().clone();
- fEndTime = range.getEndTime().clone();
+ fStartTime = range.getStartTime();
+ fEndTime = range.getEndTime();
}
/**
* @param startTime the new first event timestamp
*/
protected void setStartTime(final ITmfTimestamp startTime) {
- fStartTime = startTime.clone();
+ fStartTime = startTime;
}
/**
* @param endTime the new last event timestamp
*/
protected void setEndTime(final ITmfTimestamp endTime) {
- fEndTime = endTime.clone();
+ fEndTime = endTime;
}
/**
*
* @param indexer the trace indexer
*/
- protected void setIndexer(final ITmfTraceIndexer<ITmfTrace<ITmfEvent>> indexer) {
+ protected void setIndexer(final ITmfTraceIndexer indexer) {
fIndexer = indexer;
}
*
* @param parser the new trace parser
*/
- protected void setParser(final ITmfEventParser<T> parser) {
+ protected void setParser(final ITmfEventParser parser) {
fParser = parser;
}
// A rank <= 0 indicates to seek the first event
if (rank <= 0) {
- ITmfContext context = seekEvent((ITmfLocation<?>) null);
+ ITmfContext context = seekEvent((ITmfLocation) null);
context.setRank(0);
return context;
}
// A null timestamp indicates to seek the first event
if (timestamp == null) {
- ITmfContext context = seekEvent((ITmfLocation<?>) null);
+ ITmfContext context = seekEvent((ITmfLocation) null);
context.setRank(0);
return context;
}
final ITmfContext nextEventContext = context.clone(); // Must use clone() to get the right subtype...
ITmfEvent event = getNext(nextEventContext);
while (event != null && event.getTimestamp().compareTo(timestamp, false) < 0) {
+ context.dispose();
context = nextEventContext.clone();
event = getNext(nextEventContext);
}
+ nextEventContext.dispose();
if (event == null) {
context.setLocation(null);
context.setRank(ITmfContext.UNKNOWN_RANK);
}
return context;
}
-
+
// ------------------------------------------------------------------------
// ITmfTrace - Read operations (returning an actual event)
// ------------------------------------------------------------------------
* @see org.eclipse.linuxtools.tmf.core.trace.ITmfTrace#readNextEvent(org.eclipse.linuxtools.tmf.core.trace.ITmfContext)
*/
@Override
- public synchronized T getNext(final ITmfContext context) {
+ public synchronized ITmfEvent getNext(final ITmfContext context) {
// parseEvent() does not update the context
- final T event = fParser.parseEvent(context);
+ final ITmfEvent event = fParser.parseEvent(context);
if (event != null) {
updateAttributes(context, event.getTimestamp());
context.setLocation(getCurrentLocation());
*/
protected synchronized void updateAttributes(final ITmfContext context, final ITmfTimestamp timestamp) {
if (fStartTime.equals(TmfTimestamp.BIG_BANG) || (fStartTime.compareTo(timestamp, false) > 0)) {
- fStartTime = timestamp.clone();
+ fStartTime = timestamp;
}
if (fEndTime.equals(TmfTimestamp.BIG_CRUNCH) || (fEndTime.compareTo(timestamp, false) < 0)) {
- fEndTime = timestamp.clone();
+ fEndTime = timestamp;
}
if (context.hasValidRank()) {
long rank = context.getRank();
if (fNbEvents <= rank) {
fNbEvents = rank + 1;
}
- fIndexer.updateIndex(context, timestamp);
+ if (fIndexer != null) {
+ fIndexer.updateIndex(context, timestamp);
+ }
}
}
* @see org.eclipse.linuxtools.tmf.core.component.TmfDataProvider#armRequest(org.eclipse.linuxtools.tmf.core.request.ITmfDataRequest)
*/
@Override
- protected ITmfContext armRequest(final ITmfDataRequest<T> request) {
- if ((request instanceof ITmfEventRequest<?>)
- && !TmfTimestamp.BIG_BANG.equals(((ITmfEventRequest<T>) request).getRange().getStartTime())
+ protected ITmfContext armRequest(final ITmfDataRequest request) {
+ if ((request instanceof ITmfEventRequest)
+ && !TmfTimestamp.BIG_BANG.equals(((ITmfEventRequest) request).getRange().getStartTime())
&& (request.getIndex() == 0))
{
- final ITmfContext context = seekEvent(((ITmfEventRequest<T>) request).getRange().getStartTime());
- ((ITmfEventRequest<T>) request).setStartIndex((int) context.getRank());
+ final ITmfContext context = seekEvent(((ITmfEventRequest) request).getRange().getStartTime());
+ ((ITmfEventRequest) request).setStartIndex((int) context.getRank());
return context;
}
projects / deliverable / tracecompass.git / blobdiff