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Java > Open Source Codes > org > apache > derby > impl > store > raw > xact > D_Xact


1 /*
2
3    Derby - Class org.apache.derby.impl.store.raw.xact.D_Xact
4
5    Licensed to the Apache Software Foundation (ASF) under one or more
6    contributor license agreements. See the NOTICE file distributed with
7    this work for additional information regarding copyright ownership.
8    The ASF licenses this file to you under the Apache License, Version 2.0
9    (the "License"); you may not use this file except in compliance with
10    the License. You may obtain a copy of the License at
11
12       http://www.apache.org/licenses/LICENSE-2.0
13
14    Unless required by applicable law or agreed to in writing, software
15    distributed under the License is distributed on an "AS IS" BASIS,
16    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17    See the License for the specific language governing permissions and
18    limitations under the License.
19
20  */
21
22 package org.apache.derby.impl.store.raw.xact;
23
24 import org.apache.derby.iapi.services.diag.Diagnosticable;
25 import org.apache.derby.iapi.services.diag.DiagnosticableGeneric;
26 import org.apache.derby.iapi.services.diag.DiagnosticUtil;
27 import org.apache.derby.iapi.store.raw.xact.TransactionId;
28
29 import org.apache.derby.iapi.error.StandardException;
30
31 /**
32
33 The D_Xact class provides diagnostic information about the Xact class.
34
35 **/
36
37 public class D_Xact extends DiagnosticableGeneric
38 {
39
40     /**
41      * Default implementation of diagnostic on the object.
42      * <p>
43      * This routine returns a string with whatever diagnostic information
44      * you would like to provide about this object.
45      * <p>
46      * This routine should be overriden by a real implementation of the
47      * diagnostic information you would like to provide.
48      * <p>
49      *
50      * @return A string with diagnostic information about the object.
51      * @exception StandardException Standard Cloudscape Error
52      *
53      **/
54     public String JavaDoc diag()
55         throws StandardException
56     {
57         TransactionId id = ((Xact) diag_object).getId();
58
59         if (id instanceof XactId)
60             return("Transaction:(" + ((XactId) id).getId() + ")");
61         else
62             return(id.toString());
63     }
64 }
65
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