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1 /**
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3  * ("Software"), with or without modification, are permitted provided
4  * that the following conditions are met:
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10  * 2. Redistributions in binary form must reproduce the
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12  * following disclaimer in the documentation and/or other
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16  * products derived from this Software without prior written
17  * permission of Exoffice Technologies. For written permission,
18  * please contact info@exolab.org.
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20  * 4. Products derived from this Software may not be called "Exolab"
21  * nor may "Exolab" appear in their names without prior written
22  * permission of Exoffice Technologies. Exolab is a registered
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25  * 5. Due credit should be given to the Exolab Project
26  * (http://www.exolab.org/).
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28  * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
29  * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30  * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
32  * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39  * OF THE POSSIBILITY OF SUCH DAMAGE.
40  *
41  * Copyright 1999 (C) Exoffice Technologies Inc. All Rights Reserved.
42  *
43  * $Id: ENCReference.java 1096 2004-03-26 21:41:16Z dblevins $
44  */
45 package org.openejb.core.ivm.naming;
46
47 import javax.naming.NameNotFoundException JavaDoc;
48
49 import org.openejb.core.ThreadContext;
50
51 /*
52   This class is a wrapper for an Intra-VM EJB or Connector references in the
53   JNDI ENC of a entity, stateful and stateless beans. When the getObject( ) method is invoked the
54   Operation is checked to ensure that its is allowed for the bean's current state.
55   
56   This class is subclassed by ENCReference in the entity, stateful and stateless packages
57   of org.openejb.core.
58 */
59 public abstract class ENCReference implements Reference{
60     
61     protected Reference ref = null;
62     protected boolean checking = true;
63     
64     /**
65      */
66     public ENCReference(Reference ref){
67         this.ref = ref;
68     }
69
70     public void setChecking( boolean value ) {
71     checking = value;
72     }
73     
74     /*
75     * Obtains the referenced object.
76     */
77     public Object JavaDoc getObject( ) throws javax.naming.NamingException JavaDoc{
78         if( ThreadContext.isValid() ){
79             ThreadContext cntx = ThreadContext.getThreadContext();
80             byte operation = cntx.getCurrentOperation();
81             checkOperation(operation);
82         }
83         return ref.getObject();
84     }
85     
86     public abstract void checkOperation(byte opertionType) throws NameNotFoundException JavaDoc;
87 }
88
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