BeanCacheMonitorMBean


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14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
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21  */
22  package org.jboss.monitor;
23  
24  import java.util.Collection  ;
25  import javax.management.JMException  ;
26  import org.jboss.monitor.client.BeanCacheSnapshot;
27  
28  /**
29   * The JMX management interface for the {@link BeanCacheMonitor} MBean.
30   * 
31   * @see Monitorable
32   * @author <a HREF="mailto:simone.bordet@compaq.com">Simone Bordet</a>
33   * @version $Revision: 37459 $
34   */
35  public interface BeanCacheMonitorMBean
36  {
37     /**
38      * Returns the cache data at the call instant.
39      * @return null if a problem is encountered while sampling the cache,
40      * 
41      * otherwise an array (possibly of size 0) with the cache data.
42      */
43     BeanCacheSnapshot[] getSnapshots();
44  
45     /**
46      * Describe <code>listSnapshots</code> method here.
47      * Returns as a collection, throws JMException on problem
48      *
49      * @return a <code>Collection</code> value
50      */
51     Collection   listSnapshots() throws JMException  ;
52  }
53
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