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1   /**
2    * Licensed to jclouds, Inc. (jclouds) under one or more
3    * contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  jclouds licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.jclouds.http;
20  
21  import java.util.concurrent.Future;
22  
23  /**
24   * Capable of invoking http commands.
25   * 
26   * @author Adrian Cole
27   */
28  public interface HttpCommandExecutorService {
29  
30     /**
31      * Asks the command to build a request relevant for an endpoint that produces responses of
32      * generic type {@code HttpResponse}. and invokes it on the endpoint, returning a future
33      * 
34      * @param command
35      *           that generates requests
36      * @return {@link Future} containing the response from the {@code endpoint}
37      */
38     Future<HttpResponse> submit(HttpCommand command);
39  }