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sun.jvmstat.perfdata.monitor.protocol.rmi

public Class RemoteVmManager

extends Object
Class Inheritance
Imports
java.util.*, java.util.regex.*, java.io.*, java.rmi.RemoteException, sun.jvmstat.monitor.*, sun.jvmstat.monitor.event.*, sun.jvmstat.monitor.remote.*
Class for managing the RemoteMonitoredVm instances on a remote system.

This class is responsible for the mechanism that detects the active HotSpot Java Virtual Machines on the remote host and possibly for a specific user. The ability to detect all possible HotSpot Java Virtual Machines on the remote host may be limited by the permissions of the principal running the RMI server application on the remote host.

Author
Brian Doherty
Since
1.5

Field Summary

Modifier and TypeField and Description
private RemoteHost
remoteHost

private String
user

Constructor Summary

AccessConstructor and Description
public
RemoteVmManager(RemoteHost
the remote proxy object to the RMI server on the remote system.
remoteHost)

Creates a RemoteVmManager instance for the remote system.

public
RemoteVmManager(RemoteHost
the remote proxy object to the RMI server on the remote system.
remoteHost, String
the name of the user
user)

Creates a RemoteVmManager instance for the given user.

Method Summary

Modifier and TypeMethod and Description
public Set<Integer>

Returns:

Set - the Set of monitorable Java Virtual Machines
activeVms()

Return the current set of monitorable Java Virtual Machines.

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

remoteHostback to summary
private RemoteHost remoteHost
userback to summary
private String user

Constructor Detail

RemoteVmManagerback to summary
public RemoteVmManager(RemoteHost remoteHost)

Creates a RemoteVmManager instance for the remote system.

Manages RemoteMonitordVm instances for which the principal running the remote server has appropriate permissions.

Parameters
remoteHost:RemoteHost

the remote proxy object to the RMI server on the remote system.

RemoteVmManagerback to summary
public RemoteVmManager(RemoteHost remoteHost, String user)

Creates a RemoteVmManager instance for the given user.

Manages RemoteMonitoredVm instances for all remote Java Virtual machines owned by the specified user on the remote system. The RMI server on the remote system must have the appropriate permissions to access the named users Java Virtual Machines.

Parameters
remoteHost:RemoteHost

the remote proxy object to the RMI server on the remote system.

user:String

the name of the user

Method Detail

activeVmsback to summary
public Set<Integer> activeVms() throws MonitorException

Return the current set of monitorable Java Virtual Machines.

The set returned by this method depends on the user name passed to the constructor. If no user name was specified, then this method will return all candidate JVMs on the system. Otherwise, only the JVMs for the given user will be returned. This assumes that the RMI server process has the appropriate permissions to access the target set of JVMs.

Returns:Set<Integer>

Set - the Set of monitorable Java Virtual Machines