1 /* 2 * Copyright (C) 2012 Google Inc. 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.google.caliper.bridge; 18 19 import static com.google.common.base.Preconditions.checkNotNull; 20 21 import com.google.caliper.util.ShortDuration; 22 import com.google.common.base.MoreObjects; 23 import com.google.common.base.Objects; 24 25 /** 26 * A message representing output produced by the JVM when {@code -XX:+PrintGC} is enabled. 27 */ 28 public final class GcLogMessage extends LogMessage { 29 /** 30 * The type of the garbage collection performed. 31 */ 32 public static enum Type { 33 FULL, 34 INCREMENTAL, 35 } 36 37 private final Type type; 38 private final ShortDuration duration; 39 40 GcLogMessage(Type type, ShortDuration duration) { 41 this.type = checkNotNull(type); 42 this.duration = checkNotNull(duration); 43 } 44 45 public Type type() { 46 return type; 47 } 48 49 public ShortDuration duration() { 50 return duration; 51 } 52 53 @Override 54 public void accept(LogMessageVisitor visitor) { 55 visitor.visit(this); 56 } 57 58 @Override 59 public int hashCode() { 60 return Objects.hashCode(type, duration); 61 } 62 63 @Override 64 public boolean equals(Object obj) { 65 if (obj == this) { 66 return true; 67 } else if (obj instanceof GcLogMessage) { 68 GcLogMessage that = (GcLogMessage) obj; 69 return this.type == that.type 70 && this.duration.equals(that.duration); 71 } else { 72 return false; 73 } 74 } 75 76 @Override 77 public String toString() { 78 return MoreObjects.toStringHelper(this) 79 .addValue(type) 80 .add("duration", duration) 81 .toString(); 82 } 83 } 84
