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1   /*
2    * ====================================================================
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *   http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing,
14   * software distributed under the License is distributed on an
15   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16   * KIND, either express or implied.  See the License for the
17   * specific language governing permissions and limitations
18   * under the License.
19   * ====================================================================
20   *
21   * This software consists of voluntary contributions made by many
22   * individuals on behalf of the Apache Software Foundation.  For more
23   * information on the Apache Software Foundation, please see
24   * <http://www.apache.org/>.
25   *
26   */
27  
28  package org.apache.hc.core5.http.nio.command;
29  
30  import org.apache.hc.core5.concurrent.CancellableDependency;
31  import org.apache.hc.core5.http.nio.AsyncClientExchangeHandler;
32  import org.apache.hc.core5.http.protocol.HttpContext;
33  import org.apache.hc.core5.reactor.Command;
34  import org.apache.hc.core5.util.Args;
35  
36  /**
37   * Request execution command.
38   *
39   * @since 5.0
40   */
41  public final class ExecutionCommand implements Command {
42  
43      private final AsyncClientExchangeHandler exchangeHandler;
44      private final CancellableDependency cancellableDependency;
45      private final HttpContext context;
46  
47      public ExecutionCommand(
48              final AsyncClientExchangeHandler exchangeHandler,
49              final CancellableDependency cancellableDependency,
50              final HttpContext context) {
51          this.exchangeHandler = Args.notNull(exchangeHandler, "Handler");
52          this.cancellableDependency = cancellableDependency;
53          this.context = context;
54      }
55  
56      public ExecutionCommand(
57              final AsyncClientExchangeHandler exchangeHandler,
58              final HttpContext context) {
59          this(exchangeHandler, null, context);
60      }
61  
62      public AsyncClientExchangeHandler getExchangeHandler() {
63          return exchangeHandler;
64      }
65  
66      public CancellableDependency getCancellableDependency() {
67          return cancellableDependency;
68      }
69  
70      public HttpContext getContext() {
71          return context;
72      }
73  
74      @Override
75      public boolean cancel() {
76          exchangeHandler.cancel();
77          return true;
78      }
79  
80  }