| /* |
| * 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.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import com.google.common.base.Function; |
| import com.google.common.base.MoreObjects; |
| import com.google.common.base.Objects; |
| import com.google.common.collect.ImmutableListMultimap; |
| import com.google.common.collect.Multimaps; |
| |
| import java.io.Serializable; |
| |
| /** |
| * A single, weighted measurement. |
| * |
| * @author gak@google.com (Gregory Kick) |
| */ |
| public class Measurement implements Serializable { |
| private static final long serialVersionUID = 1L; |
| |
| public static ImmutableListMultimap<String, Measurement> indexByDescription( |
| Iterable<Measurement> measurements) { |
| return Multimaps.index(measurements, new Function<Measurement, String>() { |
| @Override public String apply(Measurement input) { |
| return input.description; |
| } |
| }); |
| } |
| |
| @ExcludeFromJson |
| private int id; |
| private Value value; |
| private double weight; |
| private String description; |
| |
| private Measurement() { |
| this.value = Value.DEFAULT; |
| this.weight = 0.0; |
| this.description = ""; |
| } |
| |
| private Measurement(Builder builder) { |
| this.value = builder.value; |
| this.description = builder.description; |
| this.weight = builder.weight; |
| } |
| |
| @Override public boolean equals(Object obj) { |
| if (obj == this) { |
| return true; |
| } else if (obj instanceof Measurement) { |
| Measurement that = (Measurement) obj; |
| return this.value.equals(that.value) |
| && this.weight == that.weight |
| && this.description.equals(that.description); |
| } else { |
| return false; |
| } |
| } |
| |
| @Override public int hashCode() { |
| return Objects.hashCode(value, weight, description); |
| } |
| |
| @Override public String toString() { |
| return MoreObjects.toStringHelper(this) |
| .add("value", value) |
| .add("weight", weight) |
| .add("description", description) |
| .toString(); |
| } |
| |
| public Value value() { |
| return value; |
| } |
| |
| public double weight() { |
| return weight; |
| } |
| |
| public String description() { |
| return description; |
| } |
| |
| public static final class Builder { |
| private Value value; |
| private Double weight; |
| private String description; |
| |
| public Builder value(Value value) { |
| this.value = checkNotNull(value); |
| return this; |
| } |
| |
| public Builder weight(double weight) { |
| checkArgument(weight > 0); |
| this.weight = weight; |
| return this; |
| } |
| |
| public Builder description(String description) { |
| this.description = checkNotNull(description); |
| return this; |
| } |
| |
| public Measurement build() { |
| checkArgument(value != null); |
| checkArgument(weight != null); |
| checkArgument(description != null); |
| return new Measurement(this); |
| } |
| } |
| } |