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.common.base.Objects; 22 import com.google.common.collect.ImmutableMap; 23 import com.google.common.collect.Maps; 24 25 import java.io.Serializable; 26 27 /** 28 * A message containing a selection of {@link System#getProperties() system properties} from the 29 * worker JVM. 30 */ 31 public class VmPropertiesLogMessage extends LogMessage implements Serializable { 32 private static final long serialVersionUID = 1L; 33 34 private final ImmutableMap<String, String> properties; 35 36 public VmPropertiesLogMessage() { 37 this(ImmutableMap.copyOf(Maps.fromProperties(System.getProperties()))); 38 } 39 40 public VmPropertiesLogMessage(ImmutableMap<String, String> properties) { 41 this.properties = checkNotNull(properties); 42 } 43 44 public ImmutableMap<String, String> properties() { 45 return properties; 46 } 47 48 @Override public void accept(LogMessageVisitor visitor) { 49 visitor.visit(this); 50 } 51 52 @Override 53 public int hashCode() { 54 return Objects.hashCode(properties); 55 } 56 57 @Override 58 public boolean equals(Object obj) { 59 if (obj == this) { 60 return true; 61 } else if (obj instanceof VmPropertiesLogMessage) { 62 VmPropertiesLogMessage that = (VmPropertiesLogMessage) obj; 63 return this.properties.equals(that.properties); 64 } else { 65 return false; 66 } 67 } 68 } 69
