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/*******************************************************************************
* Copyright (c) 2018 Ericsson
*
* All rights reserved. This program and the accompanying materials are
* made available under the terms of the Eclipse Public License v1.0 which
* accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package org.eclipse.tracecompass.incubator.internal.traceevent.core.analysis.objectlife;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.tracecompass.internal.provisional.tmf.core.model.CommonStatusMessage;
import org.eclipse.tracecompass.internal.provisional.tmf.core.model.filters.SelectionTimeQueryFilter;
import org.eclipse.tracecompass.internal.provisional.tmf.core.model.filters.TimeQueryFilter;
import org.eclipse.tracecompass.internal.provisional.tmf.core.model.timegraph.AbstractTimeGraphDataProvider;
import org.eclipse.tracecompass.internal.provisional.tmf.core.model.timegraph.ITimeGraphArrow;
import org.eclipse.tracecompass.internal.provisional.tmf.core.model.timegraph.ITimeGraphRowModel;
import org.eclipse.tracecompass.internal.provisional.tmf.core.model.timegraph.ITimeGraphState;
import org.eclipse.tracecompass.internal.provisional.tmf.core.model.timegraph.TimeGraphEntryModel;
import org.eclipse.tracecompass.internal.provisional.tmf.core.model.timegraph.TimeGraphRowModel;
import org.eclipse.tracecompass.internal.provisional.tmf.core.model.timegraph.TimeGraphState;
import org.eclipse.tracecompass.internal.provisional.tmf.core.response.ITmfResponse;
import org.eclipse.tracecompass.internal.provisional.tmf.core.response.TmfModelResponse;
import org.eclipse.tracecompass.statesystem.core.ITmfStateSystem;
import org.eclipse.tracecompass.statesystem.core.exceptions.StateSystemDisposedException;
import org.eclipse.tracecompass.statesystem.core.interval.ITmfStateInterval;
import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace;
import com.google.common.collect.ImmutableList.Builder;
import com.google.common.collect.TreeMultimap;
/**
* Data provider that will show the object lifespans.
*
* @author Matthew Khouzam
*
*/
public class ObjectLifeDataProvider extends AbstractTimeGraphDataProvider<@NonNull ObjectLifeAnalysis, @NonNull TimeGraphEntryModel> {
/**
* Suffix for dataprovider ID
*/
public static final String SUFFIX = ".dataprovider"; //$NON-NLS-1$
/**
* Constructor
*
* @param trace
* the trace this provider represents
* @param analysisModule
* the analysis encapsulated by this provider
*/
public ObjectLifeDataProvider(ITmfTrace trace, ObjectLifeAnalysis analysisModule) {
super(trace, analysisModule);
}
@Override
public @NonNull TmfModelResponse<@NonNull List<@NonNull ITimeGraphArrow>> fetchArrows(@NonNull TimeQueryFilter filter, @Nullable IProgressMonitor monitor) {
return new TmfModelResponse<>(null, ITmfResponse.Status.COMPLETED, CommonStatusMessage.COMPLETED);
}
@Override
public @NonNull TmfModelResponse<@NonNull Map<@NonNull String, @NonNull String>> fetchTooltip(@NonNull SelectionTimeQueryFilter filter, @Nullable IProgressMonitor monitor) {
ITmfStateSystem ss = getAnalysisModule().getStateSystem();
Map<@NonNull Long, @NonNull Integer> entries = getSelectedEntries(filter);
Collection<@NonNull Integer> quarks = entries.values();
long start = filter.getStart();
if (ss == null || quarks.size() != 1 || !getAnalysisModule().isQueryable(start)) {
/*
* We need the ss to query, we should only be querying one attribute and the
* query times should be valid.
*/
return new TmfModelResponse<>(null, ITmfResponse.Status.COMPLETED, CommonStatusMessage.COMPLETED);
}
int quark = quarks.iterator().next();
try {
Map<String, String> retMap = null;
ITmfStateInterval state = ss.querySingleState(start, quark);
Object object = state.getValue();
if (object instanceof String) {
retMap = Collections.singletonMap("value", object.toString()); //$NON-NLS-1$
} else {
retMap = Collections.emptyMap();
}
return new TmfModelResponse<>(retMap, ITmfResponse.Status.COMPLETED, CommonStatusMessage.COMPLETED);
} catch (StateSystemDisposedException e) {
return new TmfModelResponse<>(null, ITmfResponse.Status.CANCELLED, CommonStatusMessage.TASK_CANCELLED);
}
}
@Override
public @NonNull String getId() {
return getAnalysisModule().getId() + SUFFIX;
}
@Override
protected @Nullable List<@NonNull ITimeGraphRowModel> getRowModel(@NonNull ITmfStateSystem ss, @NonNull SelectionTimeQueryFilter filter, @Nullable IProgressMonitor monitor) throws StateSystemDisposedException {
TreeMultimap<Integer, ITmfStateInterval> intervals = TreeMultimap.create(Comparator.naturalOrder(),
Comparator.comparing(ITmfStateInterval::getStartTime));
Map<@NonNull Long, @NonNull Integer> entries = getSelectedEntries(filter);
Collection<Long> times = getTimes(filter, ss.getStartTime(), ss.getCurrentEndTime());
/* Do the actual query */
for (ITmfStateInterval interval : ss.query2D(entries.values(), times)) {
if (monitor != null && monitor.isCanceled()) {
return null;
}
intervals.put(interval.getAttribute(), interval);
}
List<ITimeGraphRowModel> rows = new ArrayList<>();
for (Map.Entry<Long, Integer> entry : entries.entrySet()) {
if (monitor != null && monitor.isCanceled()) {
return null;
}
List<ITimeGraphState> eventList = new ArrayList<>();
for (ITmfStateInterval interval : intervals.get(entry.getValue())) {
long startTime = interval.getStartTime();
long duration = interval.getEndTime() - startTime + 1;
Object state = interval.getValue();
String value = state == null ? null : state.toString();
eventList.add(new TimeGraphState(startTime, duration, entry.getKey(), value));
}
rows.add(new TimeGraphRowModel(entry.getKey(), eventList));
}
return rows;
}
@Override
protected boolean isCacheable() {
return true;
}
@SuppressWarnings("restriction")
@Override
protected @NonNull List<@NonNull TimeGraphEntryModel> getTree(@NonNull ITmfStateSystem ss, @NonNull TimeQueryFilter filter, @Nullable IProgressMonitor monitor) throws StateSystemDisposedException {
Builder<@NonNull TimeGraphEntryModel> builder = new Builder<>();
long parentId = getId(ITmfStateSystem.ROOT_ATTRIBUTE);
builder.add(new TimeGraphEntryModel(parentId, -1, getTrace().getName(), ss.getStartTime(), ss.getCurrentEndTime()));
addChildren(ss, builder, ITmfStateSystem.ROOT_ATTRIBUTE, parentId);
return builder.build();
}
private void addChildren(ITmfStateSystem ss, Builder<@NonNull TimeGraphEntryModel> builder, int quark, long parentId) {
for (Integer child : ss.getSubAttributes(quark, false)) {
long childId = getId(child);
builder.add(new TimeGraphEntryModel(childId, parentId, ss.getAttributeName(child), ss.getStartTime(), ss.getCurrentEndTime()));
addChildren(ss, builder, child, childId);
}
}
}
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