1 /*
2 * Copyright (c) 2002-2014, Mairie de Paris
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice
10 * and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice
13 * and the following disclaimer in the documentation and/or other materials
14 * provided with the distribution.
15 *
16 * 3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 *
32 * License 1.0
33 */
34 package fr.paris.lutece.plugins.crmclient.service.queue;
35
36 import fr.paris.lutece.plugins.crmclient.business.CRMItemQueue;
37 import fr.paris.lutece.plugins.crmclient.business.ICRMItem;
38 import fr.paris.lutece.plugins.crmclient.business.ICRMItemQueueDAO;
39
40 import javax.inject.Inject;
41
42
43 /**
44 *
45 * DatabaseQueue
46 *
47 */
48 public class DatabaseQueue implements ICRMClientQueue
49 {
50 @Inject
51 private ICRMItemQueueDAO _crmItemQueueDAO;
52
53 /**
54 * {@inheritDoc}
55 */
56 @Override
57 public synchronized void send( ICRMItem crmItem )
58 {
59 CRMItemQueue crmQueue = new CRMItemQueue( );
60 crmQueue.setCRMItem( crmItem );
61 _crmItemQueueDAO.insert( crmQueue );
62 }
63
64 /**
65 * {@inheritDoc}
66 */
67 @Override
68 public synchronized ICRMItem consume( )
69 {
70 CRMItemQueue crmItemQueue = this.getNextCRMItemQueue( );
71
72 if ( crmItemQueue != null )
73 {
74 _crmItemQueueDAO.delete( crmItemQueue.getIdCRMItemQueue( ) );
75
76 return crmItemQueue.getCRMItem( );
77 }
78
79 return null;
80 }
81
82 /**
83 * {@inheritDoc}
84 */
85 @Override
86 public int size( )
87 {
88 return _crmItemQueueDAO.getCountCRMItem( );
89 }
90
91 /**
92 * {@inheritDoc}
93 */
94 @Override
95 public CRMItemQueue getNextCRMItemQueue( )
96 {
97 // Get the id of the next mail item queue
98 int nIdCRMItemQueue = _crmItemQueueDAO.nextCRMItemQueueId( );
99
100 if ( nIdCRMItemQueue != -1 )
101 {
102 // Lock the mail item queue before getting notificationItemQueue Object
103 _crmItemQueueDAO.lockCRMItemQueue( nIdCRMItemQueue );
104
105 return _crmItemQueueDAO.load( nIdCRMItemQueue );
106 }
107
108 return null;
109 }
110 }