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Java > Open Source Codes > org > objectweb > perseus > connector > manager > standalone > SaManager


1 /**
2  * perseus/connector: this is an implementation of some JCA-related technologies
3  * (resource adapters and managers) for the ObjectWeb consortium.
4  * Copyright (C) 2001-2002 France Telecom R&D
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19  *
20  * Contact: pascal.dechamboux@rd.francetelecom.com
21  *
22  */
23
24 package org.objectweb.perseus.connector.manager.standalone;
25
26 import javax.resource.ResourceException JavaDoc;
27 import javax.resource.spi.ConnectionManager JavaDoc;
28 import javax.resource.spi.ConnectionRequestInfo JavaDoc;
29 import javax.resource.spi.ManagedConnection JavaDoc;
30 import javax.resource.spi.ManagedConnectionFactory JavaDoc;
31
32 /**
33  * @author P. Dechamboux
34  */
35 public class SaManager
36     implements ConnectionManager JavaDoc, SaManagerAttributeControler {
37     /**
38      * The ManagedConnectionFactory used by this ConnectionManager to
39      * create ManagedConnection.
40      */
41     ManagedConnectionFactory JavaDoc managedConnectionFactory = null;
42
43     // IMPLEMENTATION OF METHODS FROM THE ConnectionManager INTERFACE
44
45     /**
46      * Always creates a new ManagedConnection from the associated
47      * ManagedConnectionFactory.
48      */
49     public Object JavaDoc allocateConnection(
50         ManagedConnectionFactory JavaDoc factory,
51         ConnectionRequestInfo JavaDoc info)
52         throws ResourceException JavaDoc {
53         if (managedConnectionFactory == null)
54             managedConnectionFactory = factory;
55         else if (managedConnectionFactory != factory)
56             throw new ResourceException JavaDoc("SAM: should always use the same ManagedConnectionFactory.");
57         //matchManagedConnections(connset, /*Subject*/null, info);
58 ManagedConnection JavaDoc mc
59             = managedConnectionFactory.createManagedConnection(/*Subject*/null, info);
60         Object JavaDoc res = mc.getConnection(/*Subject*/null, info);
61         mc.associateConnection(res);
62         return res;
63     }
64
65     // IMPLEMENTATION OF METHODS FROM THE SaManagerAttributeControler INTERFACE
66
67     /**
68      * Gives access to the ManagedConnectionFactory associated with this
69      * ConnectionManager.
70      */
71     public ManagedConnectionFactory JavaDoc getManagedConnectionFactory() {
72         return managedConnectionFactory;
73     }
74
75     /**
76      * Changes the ManagedConnectionFactory associated with this
77      * ConnectionManager. If the ConnectionManager is already active (it has
78      * been started), it has no effect (new ManagedConnectionFactory not
79      * assigned).
80      * @param mcf The new ManagedConnectionFactory.
81      */
82     public void setManagedConnectionFactory(ManagedConnectionFactory JavaDoc mcf) {
83         managedConnectionFactory = mcf;
84     }
85 }
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