core/src/main/java/org/jclouds/ohai/config/multibindings/Element.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.jclouds.ohai.config.multibindings;

import com.google.inject.BindingAnnotation;

import java.lang.annotation.Retention;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

/**
 * An internal binding annotation applied to each element in a multibinding. All
 * elements are assigned a globally-unique id to allow different modules to
 * contribute multibindings independently.
 * 
 * @author jessewilson@google.com (Jesse Wilson)
 */
@Retention(RUNTIME)
@BindingAnnotation
@interface Element {
   String setName();

   int uniqueId();
}