EntityBeanStatsImpl


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 com.sun.ejb.base.stats;
25  
26  import javax.management.j2ee.statistics.EntityBeanStats  ;
27  import javax.management.j2ee.statistics.CountStatistic  ;
28  import javax.management.j2ee.statistics.RangeStatistic  ;
29  
30  import com.sun.enterprise.admin.monitor.stats.CountStatisticImpl;
31  import com.sun.enterprise.admin.monitor.stats.MutableCountStatisticImpl;
32  import com.sun.enterprise.admin.monitor.stats.BoundedRangeStatisticImpl;
33  import com.sun.enterprise.admin.monitor.stats.MutableBoundedRangeStatisticImpl;
34  
35  import com.sun.enterprise.admin.monitor.registry.MonitoringRegistry;
36  import com.sun.enterprise.admin.monitor.registry.MonitoringLevelListener;
37  import com.sun.enterprise.admin.monitor.registry.MonitoringLevel;
38  import com.sun.enterprise.admin.monitor.registry.MonitoringRegistrationException;
39  
40  import com.sun.ejb.spi.stats.EntityBeanStatsProvider;
41  
42  import java.util.logging.*;
43  import com.sun.enterprise.log.Log;
44  import com.sun.logging.*;
45  
46  /**
47   * A Class for providing stats for Entity Container.
48   *
49   * @author Mahesh Kannan
50   */
51  
52  public class EntityBeanStatsImpl
53      extends EJBStatsImpl
54      implements javax.management.j2ee.statistics.EntityBeanStats  
55  {
56      protected EntityBeanStatsProvider       entityDelegate;
57  
58      private MutableBoundedRangeStatisticImpl    pooledCountStat;
59      private MutableBoundedRangeStatisticImpl    readyCountStat;
60  
61      public EntityBeanStatsImpl(EntityBeanStatsProvider delegate) {
62      super(delegate, "javax.management.j2ee.statistics.EntityBeanStats");
63      this.entityDelegate = delegate;
64  
65      initStats();
66      }
67  
68      private void initStats() {
69      pooledCountStat = new MutableBoundedRangeStatisticImpl(
70          new BoundedRangeStatisticImpl("PooledCount",
71          "Count", 0, entityDelegate.getMaxPoolSize(),
72          entityDelegate.getSteadyPoolSize()));
73      readyCountStat = new MutableBoundedRangeStatisticImpl(
74          new BoundedRangeStatisticImpl("ReadyCount",
75          "Count", 0, entityDelegate.getMaxCacheSize(), 0));
76      }
77  
78      public RangeStatistic   getPooledCount() {
79      pooledCountStat.setCount(entityDelegate.getPooledCount());
80      return (RangeStatistic  ) pooledCountStat.modifiableView();
81      }
82  
83      public RangeStatistic   getReadyCount() {
84      readyCountStat.setCount(entityDelegate.getReadyCount());
85      return (RangeStatistic  ) readyCountStat.modifiableView();
86      }
87  
88  }
89
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