| /* |
| * Copyright (C) 2012 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.google.caliper.model; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import com.google.common.base.Objects; |
| |
| import java.io.Serializable; |
| |
| /** |
| * A magnitude with units. |
| * |
| * @author gak@google.com (Gregory Kick) |
| */ |
| public class Value implements Serializable { |
| private static final long serialVersionUID = 1L; |
| |
| static final Value DEFAULT = new Value(); |
| |
| public static Value create(double value, String unit) { |
| return new Value(value, checkNotNull(unit)); |
| } |
| |
| private double magnitude; |
| // TODO(gak): do something smarter than string for units |
| // TODO(gak): give guidelines for how to specify units. E.g. s or seconds |
| private String unit; |
| |
| private Value() { |
| this.magnitude = 0.0; |
| this.unit = ""; |
| } |
| |
| private Value(double value, String unit) { |
| this.magnitude = value; |
| this.unit = unit; |
| } |
| |
| public String unit() { |
| return unit; |
| } |
| |
| public double magnitude() { |
| return magnitude; |
| } |
| |
| @Override public boolean equals(Object obj) { |
| if (obj == this) { |
| return true; |
| } else if (obj instanceof Value) { |
| Value that = (Value) obj; |
| return this.magnitude == that.magnitude |
| && this.unit.equals(that.unit); |
| } else { |
| return false; |
| } |
| } |
| |
| @Override public int hashCode() { |
| return Objects.hashCode(magnitude, unit); |
| } |
| |
| @Override public String toString() { |
| return new StringBuilder().append(magnitude).append(unit).toString(); |
| } |
| } |