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.chemistry.opencmis.server.async.impl;
  
  import java.io.IOException;
  
  import javax.servlet.Servlet;
  import javax.servlet.ServletException;
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  /**
   * Marks a servlet as an asynchronous CMIS servlet.
   */
  public interface AsyncCmisServlet extends Servlet {
  
      /**
       * Executes the synchronous part of this servlet.
       * 
       * It is called in the thread that eventually executes the CMIS call. This
       * can be a servlet thread or a thread in a different thread pool.
       */
      void executeSync(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException;
  
      /**
       * Sends an error to client.
       * 
       * This method should only be use to signal problems with scheduling a CMIS
       * call in thread pool.
       */
      void sendError(Exception ex, HttpServletRequest request, HttpServletResponse response) throws IOException;
  }
  