TransactionStats


1   /*-
2    * See the file LICENSE for redistribution information.
3    *
4    * Copyright (c) 2000,2006 Oracle.  All rights reserved.
5    *
6    * $Id: TransactionStats.java,v 1.27 2006/10/30 21:14:12 bostic Exp $
7    */
8   
9   package com.sleepycat.je;
10  
11  import java.io.Serializable  ;
12  import java.util.Date  ;
13  
14  /**
15   * Javadoc for this public class is generated
16   * via the doc templates in the doc_src directory.
17   */
18  public class TransactionStats implements Serializable   {
19  
20      /**
21       * The time the last completed checkpoint finished (as the number
22       * of seconds since the Epoch, returned by the IEEE/ANSI Std
23       * 1003.1 (POSIX) time interface).
24       */
25      private long lastCheckpointTime;
26  
27      /**
28       * The last transaction ID allocated.
29       */
30      private long lastTxnId;
31  
32      /**
33       * The number of transactions that are currently active.
34       */
35      private int nActive;
36  
37      /**
38       * The number of transactions that have begun.
39       */
40      private int nBegins;
41  
42      /**
43       * The number of transactions that have aborted.
44       */
45      private int nAborts;
46  
47      /**
48       * The number of transactions that have committed.
49       */
50      private int nCommits;
51  
52      /**
53       * The number of XA transactions that have aborted.
54       */
55      private int nXAAborts;
56  
57      /**
58       * The number of XA transactions that have been prepared.
59       */
60      private int nXAPrepares;
61  
62      /**
63       * The number of XA transactions that have committed.
64       */
65      private int nXACommits;
66  
67      /**
68       * The array of active transactions. Each element of the array is
69       * an object of type TransactionStats.Active.
70       */
71      private Active activeTxns[];
72  
73      /**
74       * Internal use only.
75       */
76      public TransactionStats() {
77      }
78  
79      /**
80       * The Active class represents an active transaction.
81       */
82      public static class Active implements Serializable   {
83      /**
84       * The transaction ID of the transaction.
85       */
86      private long txnId;
87  
88      /**
89       * The transaction ID of the parent transaction (or 0, if no parent).
90       */
91      private long parentId;
92  
93          /**
94           * The transaction name, including the thread name if available.
95           */
96          private String   name;
97  
98          /**
99           * Javadoc for this public method is generated via
100          * the doc templates in the doc_src directory.
101          */
102         public long getId() {
103             return txnId;
104         }
105 
106         /**
107          * Javadoc for this public method is generated via
108          * the doc templates in the doc_src directory.
109          */
110         public long getParentId() {
111             return parentId;
112         }
113 
114         /**
115          * Javadoc for this public method is generated via
116          * the doc templates in the doc_src directory.
117          */
118         public String   getName() {
119             return name;
120         }
121 
122     /**
123      * Internal use only.
124      */
125         public Active(String   name, long txnId, long parentId) {
126             this.name = name;
127             this.txnId = txnId;
128             this.parentId = parentId;
129         }
130 
131     public String   toString() {
132         return "txnId = " + txnId + " txnName = " + name;
133     }
134     }
135 
136     /**
137      * Javadoc for this public method is generated via
138      * the doc templates in the doc_src directory.
139      */
140     public Active[] getActiveTxns() {
141         return activeTxns;
142     }
143 
144     /**
145      * Javadoc for this public method is generated via
146      * the doc templates in the doc_src directory.
147      */
148     public long getLastCheckpointTime() {
149         return lastCheckpointTime;
150     }
151 
152     /**
153      * Javadoc for this public method is generated via
154      * the doc templates in the doc_src directory.
155      */
156     public long getLastTxnId() {
157         return lastTxnId;
158     }
159 
160     /**
161      * Javadoc for this public method is generated via
162      * the doc templates in the doc_src directory.
163      */
164     public int getNAborts() {
165         return nAborts;
166     }
167 
168     /**
169      * Javadoc for this public method is generated via
170      * the doc templates in the doc_src directory.
171      */
172     public int getNXAAborts() {
173         return nXAAborts;
174     }
175 
176     /**
177      * Javadoc for this public method is generated via
178      * the doc templates in the doc_src directory.
179      */
180     public int getNXAPrepares() {
181         return nXAPrepares;
182     }
183 
184     /**
185      * Javadoc for this public method is generated via
186      * the doc templates in the doc_src directory.
187      */
188     public int getNActive() {
189         return nActive;
190     }
191 
192     /**
193      * Javadoc for this public method is generated via
194      * the doc templates in the doc_src directory.
195      */
196     public int getNBegins() {
197         return nBegins;
198     }
199 
200     /**
201      * Javadoc for this public method is generated via
202      * the doc templates in the doc_src directory.
203      */
204     public int getNCommits() {
205         return nCommits;
206     }
207 
208     /**
209      * Javadoc for this public method is generated via
210      * the doc templates in the doc_src directory.
211      */
212     public int getNXACommits() {
213         return nXACommits;
214     }
215 
216     /**
217      * Internal use only.
218      */
219     public void setActiveTxns(Active[] actives) {
220         activeTxns = actives;
221     }
222 
223     /**
224      * Internal use only.
225      */
226     public void setLastCheckpointTime(long l) {
227         lastCheckpointTime = l;
228     }
229 
230     /**
231      * Internal use only.
232      */
233     public void setLastTxnId(long val) {
234         lastTxnId = val;
235     }
236 
237     /**
238      * Internal use only.
239      */
240     public void setNAborts(int val) {
241         nAborts = val;
242     }
243 
244     /**
245      * Internal use only.
246      */
247     public void setNXAAborts(int val) {
248         nXAAborts = val;
249     }
250 
251     /**
252      * Internal use only.
253      */
254     public void setNActive(int val) {
255         nActive = val;
256     }
257 
258     /**
259      * Internal use only.
260      */
261     public void setNBegins(int val) {
262         nBegins = val;
263     }
264 
265     /**
266      * Internal use only.
267      */
268     public void setNCommits(int val) {
269         nCommits = val;
270     }
271 
272     /**
273      * Internal use only.
274      */
275     public void setNXACommits(int val) {
276         nXACommits = val;
277     }
278 
279     /**
280      * Internal use only.
281      */
282     public void setNXAPrepares(int val) {
283         nXAPrepares = val;
284     }
285 
286     /**
287      * Javadoc for this public method is generated via
288      * the doc templates in the doc_src directory.
289      */
290     public String   toString() {
291         StringBuffer   sb = new StringBuffer  ();
292         sb.append("nBegins=").append(nBegins).append('\n');
293         sb.append("nAborts=").append(nAborts).append('\n');
294         sb.append("nCommits=").append(nCommits).append('\n');
295         sb.append("nXAPrepares=").append(nXAPrepares).append('\n');
296         sb.append("nXAAborts=").append(nXAAborts).append('\n');
297         sb.append("nXACommits=").append(nXACommits).append('\n');
298         sb.append("nActive=").append(nActive).append('\n');
299         sb.append("activeTxns=[");
300         if (activeTxns != null) {
301             for (int i = 0; i < activeTxns.length; i += 1) {
302                 sb.append("  ").append(activeTxns[i]).append('\n');
303             }
304         }
305         sb.append("]\n");
306         sb.append("lastTxnId=").append(lastTxnId).append('\n');
307         sb.append("lastCheckpointTime=").
308            append(new Date  (lastCheckpointTime)).append('\n');
309         return sb.toString();    
310     }
311 }
312
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