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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.ahat;
import com.android.tools.perflib.heap.Instance;
import com.android.tools.perflib.heap.RootObj;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
class RootsHandler extends AhatHandler {
public RootsHandler(AhatSnapshot snapshot) {
super(snapshot);
}
@Override
public void handle(Doc doc, Query query) throws IOException {
doc.title("Roots");
Set<Instance> rootset = new HashSet<Instance>();
for (RootObj root : mSnapshot.getGCRoots()) {
Instance inst = root.getReferredInstance();
if (inst != null) {
rootset.add(inst);
}
}
List<Instance> roots = new ArrayList<Instance>();
for (Instance inst : rootset) {
roots.add(inst);
}
DominatedList.render(mSnapshot, doc, roots, query);
}
}
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