/*
 * 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.internal;

import com.google.inject.internal.Element.Type;
import java.lang.annotation.Annotation;
import java.util.concurrent.atomic.AtomicInteger;

An implementation of Element.
/** An implementation of Element. */
// TODO(cgruber): Use AutoAnnotation when available, here & wherever else is makes sense. class RealElement implements Element { private static final AtomicInteger nextUniqueId = new AtomicInteger(1); private final int uniqueId; private final String setName; private final Element.Type type; private final String keyType; RealElement(String setName, Element.Type type, String keyType) { this(setName, type, keyType, nextUniqueId.incrementAndGet()); } RealElement(String setName, Element.Type type, String keyType, int uniqueId) { this.uniqueId = uniqueId; this.setName = setName; this.type = type; this.keyType = keyType; } @Override public String setName() { return setName; } @Override public int uniqueId() { return uniqueId; } @Override public Element.Type type() { return type; } @Override public String keyType() { return keyType; } @Override public Class<? extends Annotation> annotationType() { return Element.class; } @Override public String toString() { return "@" + Element.class.getName() + "(setName=" + setName + ",uniqueId=" + uniqueId + ", type=" + type + ", keyType=" + keyType + ")"; } @Override public boolean equals(Object o) { return o instanceof Element && ((Element) o).setName().equals(setName()) && ((Element) o).uniqueId() == uniqueId() && ((Element) o).type() == type() && ((Element) o).keyType().equals(keyType()); } @Override public int hashCode() { return ((127 * "setName".hashCode()) ^ setName.hashCode()) + ((127 * "uniqueId".hashCode()) ^ uniqueId) + ((127 * "type".hashCode()) ^ type.hashCode()) + ((127 * "keyType".hashCode()) ^ keyType.hashCode()); } }