| /* |
| * Copyright 2016 The Bazel Authors. All rights reserved. |
| * |
| * 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.idea.blaze.base.ideinfo; |
| |
| import com.google.common.base.Joiner; |
| import com.google.common.base.Objects; |
| import com.google.common.collect.ComparisonChain; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Ordering; |
| import com.google.idea.blaze.base.model.primitives.Label; |
| import java.io.Serializable; |
| import java.util.List; |
| |
| /** A key that uniquely identifies a target in the target map */ |
| public class TargetKey implements Serializable, Comparable<TargetKey> { |
| private static final long serialVersionUID = 3L; |
| |
| public final Label label; |
| private final ImmutableList<String> aspectIds; |
| |
| private TargetKey(Label label, ImmutableList<String> aspectIds) { |
| this.label = label; |
| this.aspectIds = aspectIds; |
| } |
| |
| /** Returns a key identifying a plain target */ |
| public static TargetKey forPlainTarget(Label label) { |
| return new TargetKey(label, ImmutableList.of()); |
| } |
| |
| /** Returns a key identifying a general target */ |
| public static TargetKey forGeneralTarget(Label label, List<String> aspectIds) { |
| if (aspectIds.isEmpty()) { |
| return forPlainTarget(label); |
| } |
| return new TargetKey(label, ImmutableList.copyOf(aspectIds)); |
| } |
| |
| public boolean isPlainTarget() { |
| return aspectIds.isEmpty(); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| TargetKey key = (TargetKey) o; |
| return Objects.equal(label, key.label) && Objects.equal(aspectIds, key.aspectIds); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(label, aspectIds); |
| } |
| |
| @Override |
| public String toString() { |
| if (aspectIds.isEmpty()) { |
| return label.toString(); |
| } |
| return label.toString() + "#" + Joiner.on('#').join(aspectIds); |
| } |
| |
| @Override |
| public int compareTo(TargetKey o) { |
| return ComparisonChain.start() |
| .compare(label, o.label) |
| .compare(aspectIds, o.aspectIds, Ordering.natural().lexicographical()) |
| .result(); |
| } |
| } |