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1   /**
2    * This file Copyright (c) 2011 Magnolia International
3    * Ltd.  (http://www.magnolia-cms.com). All rights reserved.
4    *
5    *
6    * This file is dual-licensed under both the Magnolia
7    * Network Agreement and the GNU General Public License.
8    * You may elect to use one or the other of these licenses.
9    *
10   * This file is distributed in the hope that it will be
11   * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12   * implied warranty of MERCHANTABILITY or FITNESS FOR A
13   * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14   * Redistribution, except as permitted by whichever of the GPL
15   * or MNA you select, is prohibited.
16   *
17   * 1. For the GPL license (GPL), you can redistribute and/or
18   * modify this file under the terms of the GNU General
19   * Public License, Version 3, as published by the Free Software
20   * Foundation.  You should have received a copy of the GNU
21   * General Public License, Version 3 along with this program;
22   * if not, write to the Free Software Foundation, Inc., 51
23   * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24   *
25   * 2. For the Magnolia Network Agreement (MNA), this file
26   * and the accompanying materials are made available under the
27   * terms of the MNA which accompanies this distribution, and
28   * is available at http://www.magnolia-cms.com/mna.html
29   *
30   * Any modifications to this file must keep this entire header
31   * intact.
32   *
33   */
34  package info.magnolia.module.exchangesimple;
35  
36  import info.magnolia.cms.exchange.ExchangeException;
37  import info.magnolia.cms.exchange.Subscriber;
38  
39  import java.util.List;
40  
41  import org.slf4j.Logger;
42  import org.slf4j.LoggerFactory;
43  
44  import EDU.oswego.cs.dl.util.concurrent.Sync;
45  
46  /**
47   * Simple activation task - currently only to either activate or deactivate content.
48   * 
49   * @version $Id$
50   * 
51   */
52  public abstract class ExchangeTask implements Runnable {
53  
54      private static final Logger log = LoggerFactory.getLogger(ExchangeTask.class);
55  
56      private Subscriber subscriber;
57      private List<Exception> errors;
58      private Sync sync;
59  
60      public void setSync(Sync sync) {
61          this.sync = sync;
62      }
63  
64      public void setErrors(List<Exception> errors) {
65          this.errors = errors;
66      }
67  
68      public void setSubscriber(Subscriber subscriber) {
69          this.subscriber = subscriber;
70      }
71  
72      @Override
73      public void run() {
74          try {
75              runTask(subscriber);
76          } catch (Exception e) {
77              log.error("Failed to deactivate content.", e);
78              errors.add(e);
79          } finally {
80              sync.release();
81          }
82      }
83  
84      public abstract void runTask(Subscriber subscriber) throws ExchangeException;
85  }