| /* |
| * Copyright (C) 2008 Google Inc. |
| * |
| * 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.tools.perflib.heap; |
| |
| import com.android.annotations.NonNull; |
| import com.android.annotations.Nullable; |
| |
| public class RootObj extends Instance { |
| public static final String UNDEFINED_CLASS_NAME = "no class defined!!"; |
| |
| RootType mType = RootType.UNKNOWN; |
| |
| int mIndex; |
| |
| int mThread; |
| |
| public RootObj(RootType type) { |
| this(type, 0, 0, null); |
| } |
| |
| public RootObj(RootType type, long id) { |
| this(type, id, 0, null); |
| } |
| |
| public RootObj(RootType type, long id, int thread, StackTrace stack) { |
| super(id, stack); |
| mType = type; |
| mThread = thread; |
| } |
| |
| public final String getClassName(@NonNull Snapshot snapshot) { |
| ClassObj theClass; |
| |
| if (mType == RootType.SYSTEM_CLASS) { |
| theClass = snapshot.findClass(mId); |
| } else { |
| theClass = snapshot.findInstance(mId).getClassObj(); |
| } |
| |
| if (theClass == null) { |
| return UNDEFINED_CLASS_NAME; |
| } |
| |
| return theClass.mClassName; |
| } |
| |
| @Override |
| public final void accept(Visitor visitor) { |
| visitor.visitRootObj(this); |
| Instance instance = getReferredInstance(); |
| if (instance != null) { |
| visitor.visitLater(null, instance); |
| } |
| } |
| |
| public final String toString() { |
| return String.format("%s@0x%08x", mType.getName(), mId); |
| } |
| |
| @Nullable |
| public Instance getReferredInstance() { |
| if (mType == RootType.SYSTEM_CLASS) { |
| return mHeap.mSnapshot.findClass(mId); |
| } else { |
| return mHeap.mSnapshot.findInstance(mId); |
| } |
| } |
| |
| public RootType getRootType() { |
| return mType; |
| } |
| } |