| /* |
| * 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 implements AhatHandler { |
| |
| private static final String ROOTS_ID = "roots"; |
| |
| private AhatSnapshot mSnapshot; |
| |
| public RootsHandler(AhatSnapshot snapshot) { |
| mSnapshot = 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, query, ROOTS_ID, roots); |
| } |
| } |
| |