Mercurial > hg > release > thermostat-1.0
view vm-heap-analysis/client-core/src/main/java/com/redhat/thermostat/vm/heap/analysis/client/core/internal/ObjectDetailsController.java @ 1412:a0592d702416
Update copyright year in release branch.
reviewed-by: neugens
review-thread: http://icedtea.classpath.org/pipermail/thermostat/2014-June/009965.html
PR1821
author | Jon VanAlten <jon.vanalten@redhat.com> |
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date | Tue, 03 Jun 2014 11:55:56 -0600 |
parents | ccac9bcabaa0 |
children |
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/* * Copyright 2012-2014 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2, or (at your * option) any later version. * * Thermostat 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 for more details. * * You should have received a copy of the GNU General Public License * along with Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.vm.heap.analysis.client.core.internal; import java.util.ArrayList; import java.util.Collection; import java.util.Enumeration; import java.util.List; import com.redhat.thermostat.common.ActionEvent; import com.redhat.thermostat.common.ActionListener; import com.redhat.thermostat.common.ApplicationService; import com.redhat.thermostat.common.NotImplementedException; import com.redhat.thermostat.vm.heap.analysis.client.core.HeapObjectUI; import com.redhat.thermostat.vm.heap.analysis.client.core.ObjectDetailsView; import com.redhat.thermostat.vm.heap.analysis.client.core.ObjectDetailsView.ObjectAction; import com.redhat.thermostat.vm.heap.analysis.client.core.ObjectDetailsView.ObjectReferenceCallback; import com.redhat.thermostat.vm.heap.analysis.client.core.ObjectDetailsViewProvider; import com.redhat.thermostat.vm.heap.analysis.client.core.ObjectRootsViewProvider; import com.redhat.thermostat.vm.heap.analysis.common.HeapDump; import com.sun.tools.hat.internal.model.JavaClass; import com.sun.tools.hat.internal.model.JavaField; import com.sun.tools.hat.internal.model.JavaHeapObject; import com.sun.tools.hat.internal.model.JavaHeapObjectVisitor; public class ObjectDetailsController { private ApplicationService appService; private HeapDump heapDump; private ObjectDetailsView view; private ObjectRootsViewProvider viewProvider; public ObjectDetailsController(ApplicationService appService, HeapDump heapDump, ObjectDetailsViewProvider viewProvider, ObjectRootsViewProvider rootsViewProvider) { this.appService = appService; this.heapDump = heapDump; this.viewProvider = rootsViewProvider; view = viewProvider.createView(); addListenersToView(); } private void addListenersToView() { view.addObjectActionListener(new ActionListener<ObjectAction>() { @Override public void actionPerformed(ActionEvent<ObjectAction> actionEvent) { switch (actionEvent.getActionId()) { case SEARCH: searchForObject(); break; case GET_OBJECT_DETAIL: showObjectInfo(); break; case SHOW_ROOT_TO_GC: HeapObjectUI heapObj = (HeapObjectUI) actionEvent.getPayload(); showPathToGC(heapObj); break; default: throw new NotImplementedException("unknown action fired by " + actionEvent.getSource()); } } }); view.addObjectReferenceCallback(new ObjectReferenceCallback() { @Override public Collection<HeapObjectUI> getReferrers(HeapObjectUI obj) { JavaHeapObject heapObject = heapDump.findObject(obj.objectId); @SuppressWarnings("unchecked") Enumeration<JavaHeapObject> referrers = heapObject.getReferers(); List<HeapObjectUI> objects = new ArrayList<>(); while (referrers.hasMoreElements()) { heapObject = referrers.nextElement(); objects.add(new HeapObjectUI(heapObject.getIdString(), PrintObjectUtils.objectToString(heapObject))); } return objects; } @Override public Collection<HeapObjectUI> getReferences(HeapObjectUI obj) { final JavaHeapObject heapObject = heapDump.findObject(obj.objectId); final List<JavaHeapObject> references = new ArrayList<>(); JavaHeapObjectVisitor v = new JavaHeapObjectVisitor() { @Override public void visit(JavaHeapObject other) { references.add(other); } @Override public boolean mightExclude() { /* we never return true in exclude */ return false; } @Override public boolean exclude(JavaClass clazz, JavaField f) { /* visit every field in every java class */ return false; } }; heapObject.visitReferencedObjects(v); List<HeapObjectUI> objects = new ArrayList<>(); for (JavaHeapObject ref: references) { objects.add(new HeapObjectUI(ref.getIdString(), PrintObjectUtils.objectToString(ref))); } return objects; } }); } private void searchForObject() { String searchText = view.getSearchText(); if (searchText == null || searchText.trim().isEmpty()) { return; } final int maxResults = computeResultLimit(searchText); if (!searchText.contains("*") && !searchText.contains("?")) { searchText = "*" + searchText + "*"; } final String wildcardQuery = searchText; appService.getApplicationExecutor().execute(new Runnable() { @Override public void run() { Collection<String> objectIds = heapDump.searchObjects(wildcardQuery, maxResults); List<HeapObjectUI> toDisplay = new ArrayList<>(); for (String id: objectIds) { JavaHeapObject heapObject = heapDump.findObject(id); toDisplay.add(new HeapObjectUI(id, PrintObjectUtils.objectToString(heapObject))); } view.setMatchingObjects(toDisplay); } }); } private int computeResultLimit(String searchText) { return Math.min(1000, searchText.length() * 100); } private void showObjectInfo() { HeapObjectUI matchingObject = view.getSelectedMatchingObject(); if (matchingObject == null) { return; } String objectId = matchingObject.objectId; JavaHeapObject object = heapDump.findObject(objectId); view.setObjectDetails(object); } private void showPathToGC(HeapObjectUI targetObject) { JavaHeapObject heapObject = heapDump.findObject(targetObject.objectId); ObjectRootsController controller = new ObjectRootsController(heapDump, heapObject, viewProvider); controller.show(); } public ObjectDetailsView getView() { return view; } }