SJSASResourcePool


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the License).  You may not use this file except in
5    * compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9    * glassfish/bootstrap/legal/CDDLv1.0.txt.
10   * See the License for the specific language governing 
11   * permissions and limitations under the License.
12   * 
13   * When distributing Covered Code, include this CDDL 
14   * Header Notice in each file and include the License file 
15   * at glassfish/bootstrap/legal/CDDLv1.0.txt.  
16   * If applicable, add the following below the CDDL Header, 
17   * with the fields enclosed by brackets [] replaced by
18   * you own identifying information: 
19   * "Portions Copyrighted [year] [name of copyright owner]"
20   * 
21   * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22   */
23  package com.sun.enterprise.resource;
24  
25  import java.util.*;
26  
27  import javax.resource.ResourceException  ;
28  import javax.resource.spi.ManagedConnection  ;
29  import javax.transaction.*;
30  import java.util.logging.*;
31  import com.sun.logging.*;
32  
33  import javax.naming.Context  ;
34  import javax.naming.NamingException  ;
35  import com.sun.enterprise.Switch;
36  import com.sun.enterprise.connectors.*;
37  import com.sun.enterprise.distributedtx.*;
38  import com.sun.enterprise.util.i18n.StringManager;
39  
40  
41  
42  /**
43   * this resource pool does not allow sharing
44   * A resource is only given out if it is not used by
45   * any enterprise bean and it does not have any pending transaction
46   *
47   * @author Aditya Gore
48   * @since 9.0
49   */
50  public class SJSASResourcePool extends AbstractResourcePool {
51  
52      public SJSASResourcePool( String   poolName ) throws PoolingException {
53          super( poolName );
54      }
55      
56      protected ResourceHandle prefetch( ResourceSpec spec,
57          ResourceAllocator alloc, Transaction tran ) {
58          
59          return null;
60      }
61   }
62
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