snmp.lib
Class ServiceLocator

java.lang.Object
  |
  +--snmp.lib.ServiceLocator

public class ServiceLocator

extends java.lang.Object

This class provides the service to get the objects of major components. The service includes: getSnmpAgent, getMBeanServer, getMibDatabase, and getSnmpMBean that retrieves the SnmpMBean object matching to the OID group name.

Version:

$Revision: 0.1 $ $Date: 2004/03/09 06:03:48 $

Author:

Scott Cheng

Field Summary

private AccessControl	accessCtrl
private javax.management.MBeanServer	mbeanServer
private MibDatabase	mibdb
private static ServiceLocator	singleton
private SnmpAgent	snmpAgent

Constructor Summary

private

ServiceLocator(SnmpAgent agent) Constructs the ServiceLocator object with the SnmpAgent..

Method Summary

static ServiceLocator	getInstance() Gets the singleton object of the ServiceLocator.
javax.management.MBeanServer	getMBeanServer() Gets the MBeanServer object.
MibDatabase	getMibDatabase() Gets the MibDatabase object.
SnmpAgent	getSnmpAgent() Gets the SnmpAgent object.
SnmpMBean	getSnmpMBean(java.lang.String oidGroupName) Gets the SnmpMBean object matching to the OID group name.
private void	init() Invoked to load the objects of major components.
static ServiceLocator	loadService(SnmpAgent agent) Invoked to load the service with the SnmpAgent object when the system starts.

Methods inherited from class java.lang.Object

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

Field Detail

singleton

private static ServiceLocator singleton

snmpAgent

private SnmpAgent snmpAgent

mbeanServer

private javax.management.MBeanServer mbeanServer

mibdb

private MibDatabase mibdb

accessCtrl

private AccessControl accessCtrl

Constructor Detail

ServiceLocator

private ServiceLocator(SnmpAgent agent)
                throws SnmpException

Constructs the ServiceLocator object with the SnmpAgent..

Throws:

SnmpException - thrown if any error occurs during the object instantiation.

Method Detail

init

private void init()
           throws SnmpException

Invoked to load the objects of major components.

Throws:

SnmpException - thrown if any error occurs during objects initialization.

getSnmpAgent

public SnmpAgent getSnmpAgent()

Gets the SnmpAgent object.

getMBeanServer

public javax.management.MBeanServer getMBeanServer()

Gets the MBeanServer object.

getMibDatabase

public MibDatabase getMibDatabase()

Gets the MibDatabase object.

getSnmpMBean

public SnmpMBean getSnmpMBean(java.lang.String oidGroupName)
                       throws SnmpException

Gets the SnmpMBean object matching to the OID group name.

Parameters:

oidGroupName - The OID group name.

Returns:

snmpMBean The matched SnmpMBean object.

SnmpException

loadService

public static ServiceLocator loadService(SnmpAgent agent)
                                  throws SnmpException

Invoked to load the service with the SnmpAgent object when the system starts.

Returns:

Singleton object of the ServiceLocator.

Throws:

SnmpException - thrown if any error occurs during the object instantiation.

getInstance

public static ServiceLocator getInstance()
                                  throws SnmpException

Gets the singleton object of the ServiceLocator.

Returns:

Singleton object of the ServiceLocator.

Throws:

SnmpException - thrown if any error occurs during the object instantiation.