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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
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*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package com.sun.tools.visualvm.profiling.snapshot.diff;
import com.sun.tools.visualvm.core.datasource.DataSource;
import com.sun.tools.visualvm.profiling.snapshot.ProfilerSnapshot;
import org.netbeans.lib.profiler.results.ResultsSnapshot;
import org.netbeans.lib.profiler.results.memory.AllocMemoryResultsDiff;
import org.netbeans.lib.profiler.results.memory.AllocMemoryResultsSnapshot;
import org.netbeans.lib.profiler.results.memory.LivenessMemoryResultsDiff;
import org.netbeans.lib.profiler.results.memory.LivenessMemoryResultsSnapshot;
import org.netbeans.lib.profiler.results.memory.SampledMemoryResultsDiff;
import org.netbeans.lib.profiler.results.memory.SampledMemoryResultsSnapshot;
import org.netbeans.modules.profiler.LoadedSnapshot;
/**
*
* @author Jiri Sedlacek
*/
final class SnapshotDiffContainer extends DataSource {
private ResultsSnapshot diffSnapshot;
private ProfilerSnapshot snapshot1;
private ProfilerSnapshot snapshot2;
public SnapshotDiffContainer(ProfilerSnapshot ps1, ProfilerSnapshot ps2, DataSource master) {
super(master);
diffSnapshot = createDiff(ps1, ps2);
if (diffSnapshot == null) throw new UnsupportedOperationException(
"Unable to create diff from " + ps1 + " and " + ps2); // NOI18N
snapshot1 = ps1;
snapshot2 = ps2;
}
public ResultsSnapshot getDiff() {
return diffSnapshot;
}
public ProfilerSnapshot getSnapshot1() {
return snapshot1;
}
public ProfilerSnapshot getSnapshot2() {
return snapshot2;
}
private static ResultsSnapshot createDiff(ProfilerSnapshot ps1, ProfilerSnapshot ps2) {
LoadedSnapshot s1 = ps1.getLoadedSnapshot();
LoadedSnapshot s2 = ps2.getLoadedSnapshot();
if (s1.getSnapshot() instanceof AllocMemoryResultsSnapshot &&
s2.getSnapshot() instanceof AllocMemoryResultsSnapshot)
return new AllocMemoryResultsDiff((AllocMemoryResultsSnapshot) s1.getSnapshot(),
(AllocMemoryResultsSnapshot) s2.getSnapshot());
else if (s1.getSnapshot() instanceof LivenessMemoryResultsSnapshot &&
s2.getSnapshot() instanceof LivenessMemoryResultsSnapshot)
return new LivenessMemoryResultsDiff((LivenessMemoryResultsSnapshot) s1.getSnapshot(),
(LivenessMemoryResultsSnapshot) s2.getSnapshot());
else if (s1.getSnapshot() instanceof SampledMemoryResultsSnapshot &&
s2.getSnapshot() instanceof SampledMemoryResultsSnapshot)
return new SampledMemoryResultsDiff((SampledMemoryResultsSnapshot) s1.getSnapshot(),
(SampledMemoryResultsSnapshot) s2.getSnapshot());
return null;
}
}