| /** |
| * Copyright (C) 2008 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.inject.multibindings; |
| |
| import java.lang.annotation.Annotation; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| /** |
| * @author jessewilson@google.com (Jesse Wilson) |
| */ |
| class RealElement implements Element { |
| private static final AtomicInteger nextUniqueId = new AtomicInteger(1); |
| |
| private final int uniqueId; |
| private final String setName; |
| |
| RealElement(String setName) { |
| uniqueId = nextUniqueId.getAndIncrement(); |
| this.setName = setName; |
| } |
| |
| public String setName() { |
| return setName; |
| } |
| |
| public int uniqueId() { |
| return uniqueId; |
| } |
| |
| public Class<? extends Annotation> annotationType() { |
| return Element.class; |
| } |
| |
| @Override public String toString() { |
| return "@" + Element.class.getName() + "(setName=" + setName |
| + ",uniqueId=" + uniqueId + ")"; |
| } |
| |
| @Override public boolean equals(Object o) { |
| return o instanceof Element |
| && ((Element) o).setName().equals(setName()) |
| && ((Element) o).uniqueId() == uniqueId(); |
| } |
| |
| @Override public int hashCode() { |
| return 127 * ("setName".hashCode() ^ setName.hashCode()) |
| + 127 * ("uniqueId".hashCode() ^ uniqueId); |
| } |
| } |