LoadBalancer


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  /*
25   * $Header: /cvs/glassfish/admin-core/mbeanapi/src/java/com/sun/appserv/management/ext/lb/LoadBalancer.java,v 1.6 2005/12/25 03:50:28 tcfujii Exp $
26   * $Revision: 1.6 $
27   * $Date: 2005/12/25 03:50:28 $
28   */
29  
30  package com.sun.appserv.management.ext.lb;
31  
32  import java.util.Date  ;
33  
34  import static com.sun.appserv.management.base.XTypes.*;
35  import com.sun.appserv.management.base.AMX;
36  
37  /**
38     Runtime counterpart for the config MBean {@link com.sun.appserv.management.config.LoadBalancerConfig} 
39     representing the load-balancer element.
40   */
41  public interface LoadBalancer extends AMX {
42  
43      /** The j2eeType as returned by {@link com.sun.appserv.management.base.AMX#getJ2EEType}. */
44      public static final String    J2EE_TYPE = LOAD_BALANCER;
45  
46      /**
47        Applies changes in the corresponding configuration to this LB 
48       */
49      public void applyLBChanges();        
50  
51      /**
52        @return true if there are pending changes for this LB
53       */
54      public boolean isApplyChangeRequired();       
55  
56      /**
57        Exports the corresponding LBConfig information and returns the contents as a string.
58        @see com.sun.appserv.management.config.LBConfig
59       */
60      public String   getLoadBalancerXML();    
61        
62      /**
63        Returns the timestamp of the most recent export of corresponding LBConfig
64       */
65      public Date   getLastExported();        
66      
67      /**
68        Returns the timestamp of the most recent application of corresponding LBConfig
69       */
70      public Date   getLastApplied();            
71  
72      /**
73        Returns the timestamp of the last time the stats on this loadbalancer were reset
74       */
75      public Date   getLastResetTime();            
76  
77      /**
78        Reset the monitoring stats on this loadbalancer.
79       */
80      public void resetStats();
81      
82      /**
83        Reset the monitoring stats on this loadbalancer.
84       */
85      public boolean testConnection();
86              
87      /**
88       * Returns the uhealthy/healthy/quiesced status for an insatnce load balanced
89       * by this load balancer.
90       */
91      public String   getStatus(String   instanceName);     
92  }
93
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags