JDBCConnectionPoolStats


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.
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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 
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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.  
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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  
24  package javax.management.j2ee.statistics;
25  
26  /**
27   * Specifies the statistics provided by a JDBC connection pool. 
28   */
29  public interface JDBCConnectionPoolStats extends JDBCConnectionStats   {
30      /**
31       * Number of connections created. 
32       */
33      CountStatistic   getCreateCount();
34  
35      /**
36       * Number of connections closed. 
37       */
38      CountStatistic   getCloseCount();
39  
40      /**
41       * Size of the connection pool. 
42       */
43      BoundedRangeStatistic   getPoolSize();
44  
45      /**
46       * Number of free connections in the pool. 
47       */
48      BoundedRangeStatistic   getFreePoolSize();
49  
50      /**
51       * Number of threads waiting for a connection. 
52       */
53      RangeStatistic   getWaitingThreadCount();
54  }
55

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