Class Admin

java.lang.Object

org.jgroups.admin.Admin

All Implemented Interfaces:

Lifecycle

public class Admin
extends Object
implements Lifecycle

Class to manage JGroups-internal cluster wide requests and responses (https://redhat.atlassian.net/browse/JGRP-3043). An instance is always associated with a JChannel

Since:

5.6.0

Author:

Bela Ban

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ADMIN_EXEC_KEY
static final String	ADMIN_KEY
protected final JChannel	ch
protected final Map<String, AdminHandler>	handlers
static final short	ID
static final String	INSTALL_HANDLER
protected final Log	log
static final String	REMOVE_HANDLER

Constructor Summary

Constructors

Constructor	Description
Admin(JChannel ch)

Method Summary

Modifier and Type	Method	Description
JChannel	channel()
Admin	deregister(String key)
<T extends AdminHandler> T	get(String key)
protected AdminHandler	getHandler(String key)
void	handleAdminMessage(Message msg, AdminHeader hdr)
protected void	handleExec(Message msg, AdminHeader hdr)
protected void	handleInternalAdminMessage(Message msg, AdminHeader hdr)
protected void	handleInternalRequest(Message msg)
protected void	handleInternalResponse(Message msg, AdminHeader hdr)
String	print()
Admin	register(String key, AdminHandler handler)
protected void	sendAdminRequest(Address dest, String key, String args)
String	toString()

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface Lifecycle

destroy, init, start, stop

Field Details

ch

protected final JChannel ch

log

protected final Log log

ID

public static final short ID

ADMIN_KEY

public static final String ADMIN_KEY

See Also:

• Constant Field Values

ADMIN_EXEC_KEY

public static final String ADMIN_EXEC_KEY

See Also:

• Constant Field Values

INSTALL_HANDLER

public static final String INSTALL_HANDLER

See Also:

• Constant Field Values

REMOVE_HANDLER

public static final String REMOVE_HANDLER

See Also:

• Constant Field Values

handlers

protected final Map<String, AdminHandler> handlers

Constructor Details

Admin

public Admin(JChannel ch)

Method Details

channel

public JChannel channel()

get

public <T extends AdminHandler> T get(String key)

register

public Admin register(String key,
 AdminHandler handler)

deregister

public Admin deregister(String key)

handleAdminMessage

public void handleAdminMessage(Message msg,
 AdminHeader hdr)

print

public String print()

getHandler

protected AdminHandler getHandler(String key)

handleInternalAdminMessage

protected void handleInternalAdminMessage(Message msg,
 AdminHeader hdr)

handleExec

protected void handleExec(Message msg,
 AdminHeader hdr)

handleInternalRequest

protected void handleInternalRequest(Message msg)

handleInternalResponse

protected void handleInternalResponse(Message msg,
 AdminHeader hdr)

sendAdminRequest

protected void sendAdminRequest(Address dest,
 String key,
 String args)

toString

public String toString()

Overrides:

toString in class Object