content: /*
   * 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.apache.ambari.server;
  
  import static java.lang.annotation.RetentionPolicy.RUNTIME;
  
  import java.lang.annotation.ElementType;
  import java.lang.annotation.Retention;
  import java.lang.annotation.Target;
  
  import com.google.inject.Module;
  import com.google.inject.ScopeAnnotation;
  import com.google.inject.Singleton;
  import com.google.inject.binder.AnnotatedBindingBuilder;
  
  /**
   * The {@link EagerSingleton} annotation is used to mark a {@link Singleton}
   * class as being needed to be eagerly registered by a {@link Module}.
   * <p/>
   * Classes marked with this annotation should also be {@link Singleton}. They
   * will be discovered on the classpath and then
   * {@link AnnotatedBindingBuilder#asEagerSingleton()} will be invoked on them.
   */
  @Target({ ElementType.TYPE })
  @Retention(RUNTIME)
  @ScopeAnnotation
  public @interface EagerSingleton {
  }
  