Package com.sleepycat.je.jmx

Class JEMBean

java.lang.Object

com.sleepycat.je.jmx.JEMBean

All Implemented Interfaces:

com.sleepycat.je.dbi.EnvironmentImpl.MBeanRegistrar

Direct Known Subclasses:

JEDiagnostics, JEMonitor

public abstract class JEMBean
extends java.lang.Object
implements com.sleepycat.je.dbi.EnvironmentImpl.MBeanRegistrar

Field Summary

Fields

Modifier and Type	Field	Description
protected java.lang.String	className
protected java.lang.Class<?>	currentClass
protected java.lang.String	DESCRIPTION
protected Environment	env
protected javax.management.ObjectName	jeName
protected java.util.ArrayList<javax.management.MBeanOperationInfo>	operationList
protected javax.management.MBeanServer	server
static javax.management.MBeanParameterInfo[]	statParams

Constructor Summary

Constructors

Modifier	Constructor	Description
	JEMBean()
protected	JEMBean(Environment env)

Method Summary

Modifier and Type	Method	Description
protected abstract void	addOperations()	Add MBean operations into the list.
void	doRegister(Environment env)	For EnvironmentImpl.MBeanRegistrar interface.
protected abstract void	doRegisterMBean(Environment env)
void	doUnregister()	For EnvironmentImpl.MBeanRegistrar interface.
protected abstract javax.management.MBeanAttributeInfo[]	getAttributeList()	Get attribute metadata for this MBean.
protected javax.management.MBeanConstructorInfo[]	getConstructors()	Get constructor metadata for this MBean.
javax.management.MBeanInfo	getMBeanInfo()
protected javax.management.MBeanNotificationInfo[]	getNotificationInfo()	Get notification metadata for this MBean.
protected StatsConfig	getStatsConfig(java.lang.Object[] params)	Helper for creating a StatsConfig object to use as an operation parameter.
protected abstract void	initClassFields()
protected void	resetMBeanInfo()	Create the available management interface for this environment.

Methods inherited from class java.lang.Object

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

Field Detail

statParams

public static final javax.management.MBeanParameterInfo[] statParams

server

protected javax.management.MBeanServer server

jeName

protected javax.management.ObjectName jeName

className

protected java.lang.String className

DESCRIPTION

protected java.lang.String DESCRIPTION

currentClass

protected java.lang.Class<?> currentClass

env

protected Environment env

operationList

protected java.util.ArrayList<javax.management.MBeanOperationInfo> operationList

Constructor Detail

JEMBean

protected JEMBean(Environment env)

JEMBean

public JEMBean()

Method Detail

initClassFields

protected abstract void initClassFields()

resetMBeanInfo

protected void resetMBeanInfo()

Create the available management interface for this environment. The attributes and operations available vary according to environment configuration.

getAttributeList

protected abstract javax.management.MBeanAttributeInfo[] getAttributeList()

Get attribute metadata for this MBean.

Returns:

array of MBeanAttributeInfo objects describing the available attributes.

addOperations

protected abstract void addOperations()

Add MBean operations into the list.

getConstructors

protected javax.management.MBeanConstructorInfo[] getConstructors()

Get constructor metadata for this MBean. Since the process of getting constructors is the same for each concrete MBean, define it here to reduce coding work.

Returns:

array of MBeanConstructorInfo objects describing the constructor attributes.

getNotificationInfo

protected javax.management.MBeanNotificationInfo[] getNotificationInfo()

Get notification metadata for this MBean.

Returns:

array of MBeanNotificationInfo describing notifications.

doRegister

public void doRegister(Environment env)
                throws java.lang.Exception

For EnvironmentImpl.MBeanRegistrar interface. Register this MBean with the MBeanServer.

Specified by:

doRegister in interface com.sleepycat.je.dbi.EnvironmentImpl.MBeanRegistrar

Throws:

java.lang.Exception

doRegisterMBean

protected abstract void doRegisterMBean(Environment env)
                                 throws java.lang.Exception

Throws:

java.lang.Exception

doUnregister

public void doUnregister()
                  throws java.lang.Exception

For EnvironmentImpl.MBeanRegistrar interface. Remove this MBean from the MBeanServer.

Specified by:

doUnregister in interface com.sleepycat.je.dbi.EnvironmentImpl.MBeanRegistrar

Throws:

java.lang.Exception

getMBeanInfo

public javax.management.MBeanInfo getMBeanInfo()

See Also:

Implement the getMBeanInfo method of DynamicMBean.

getStatsConfig

protected StatsConfig getStatsConfig(java.lang.Object[] params)

Helper for creating a StatsConfig object to use as an operation parameter.