JCAConnectionPoolStats


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  
24  package javax.management.j2ee.statistics;
25  
26  /**
27   * Specifies the statistics provided by a JCA Connection Pool
28   *
29   */
30  public interface JCAConnectionPoolStats extends JCAConnectionStats   {
31      /**
32       * The number of connections closed
33       * @return CountStatistic
34       */
35      CountStatistic   getCloseCount();
36  
37      /**
38       * The number of connections created
39       * @return CountStatistic
40       */
41      CountStatistic   getCreateCount();
42  
43      /**
44       * The number of free connections in the pool
45       * @return BoundedRangeStatistic
46       */
47      BoundedRangeStatistic   getFreePoolSize();
48  
49      /**
50       * The size of the connection pool
51       * @return BoundedRangeStatistic
52       */
53      BoundedRangeStatistic   getPoolSize();
54  
55      /**
56       * The number of threads waiting for a connection
57       * @return BoundedRangeStatistic
58       */
59      RangeStatistic   getWaitingThreadCount();
60  }
61
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