content: /*
   *  Copyright (C) 2017-present Albie Liang. 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 cc.suitalk.ipcinvoker.annotation;
  
  import java.lang.annotation.Documented;
  import java.lang.annotation.Retention;
  import java.lang.annotation.Target;
  
  import static java.lang.annotation.ElementType.CONSTRUCTOR;
  import static java.lang.annotation.ElementType.METHOD;
  import static java.lang.annotation.ElementType.TYPE;
  import static java.lang.annotation.RetentionPolicy.CLASS;
  
  /**
   * Denotes that the annotated method should only be called on a worker thread.
   * If the annotated element is a class, then all methods in the class should be called
   * on a worker thread.
   * <p>
   * Example:
   * <pre><code>
   *  &#64;WorkerThread
   *  protected abstract FilterResults performFiltering(CharSequence constraint);
   * </code></pre>
   */
  @Documented
  @Retention(CLASS)
  @Target({METHOD,CONSTRUCTOR,TYPE})
  public @interface WorkerThread {
  }