1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.ahat.heapdump; 18 19 public class FieldValue implements Diffable<FieldValue> { 20 private final String mName; 21 private final String mType; 22 private final Value mValue; 23 private FieldValue mBaseline; 24 private final boolean mIsPlaceHolder; 25 26 public FieldValue(String name, String type, Value value) { 27 mName = name; 28 mType = type; 29 mValue = value; 30 mBaseline = this; 31 mIsPlaceHolder = false; 32 } 33 34 /** 35 * Construct a place holder FieldValue 36 */ 37 private FieldValue(FieldValue baseline) { 38 mName = baseline.mName; 39 mType = baseline.mType; 40 mValue = Value.getBaseline(baseline.mValue); 41 mBaseline = baseline; 42 mIsPlaceHolder = true; 43 } 44 45 static FieldValue newPlaceHolderFieldValue(FieldValue baseline) { 46 FieldValue field = new FieldValue(baseline); 47 baseline.setBaseline(field); 48 return field; 49 } 50 51 /** 52 * Returns the name of the field. 53 */ 54 public String getName() { 55 return mName; 56 } 57 58 /** 59 * Returns a description of the type of the field. 60 */ 61 public String getType() { 62 return mType; 63 } 64 65 /** 66 * Returns the value of this field. 67 */ 68 public Value getValue() { 69 return mValue; 70 } 71 72 public void setBaseline(FieldValue baseline) { 73 mBaseline = baseline; 74 } 75 76 @Override public FieldValue getBaseline() { 77 return mBaseline; 78 } 79 80 @Override public boolean isPlaceHolder() { 81 return mIsPlaceHolder; 82 } 83 } 84
