LoadBalancerServerStats


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  package com.sun.appserv.management.monitor.statistics;
24  
25  import com.sun.appserv.management.j2ee.statistics.StringStatistic;
26  import javax.management.j2ee.statistics.Stats  ;
27  import javax.management.j2ee.statistics.CountStatistic  ;
28  
29  /**
30   * Stats interface for the monitorable attributes of a 
31   * Load Balancer at the server level
32   */
33  public interface LoadBalancerServerStats extends Stats   {
34      
35      /** Returns the server's health status - Healthy, Unhealthy or Quiesced.
36       * @return an instance of {@link StringStatistic}     
37       */
38      public StringStatistic getHealth();
39      
40      /** Returns the number of active requests on this instance
41       * @return an instance of {@link CountStatistic}     
42       */
43      public CountStatistic   getNumberOfActiveRequests();
44      
45      /** Returns the total number of requests for this instance.
46       * @return an instance of {@link CountStatistic}     
47       */
48      public CountStatistic   getNumberOfTotalRequests();
49  }
50

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