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- All Known Implementing Classes:
Management
public interface ManagementMBean
JMX MBean inteface to control visibility of Derby's MBeans. When Derby boots it attempts to register its MBeans. It may fail due to lack of valid permissions. If Derby does not register its MBeans then an application may register the Management implementation of ManagementMBean itself and use it to start Derby's JMX management.Key properties for registered MBean when registered by Derby:
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type=Management
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system=
runtime system identifier (see overview)
- See Also:
Management
,getSystemIdentifier()
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description String
getSystemIdentifier()
Get the system identifier that this MBean is managing.boolean
isManagementActive()
Is Derby's JMX management active.void
startManagement()
Inform Derby to start its JMX management by registering MBeans relevant to its current state.void
stopManagement()
Inform Derby to stop its JMX management by unregistering its MBeans.
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Method Detail
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isManagementActive
boolean isManagementActive()
Is Derby's JMX management active. If active then Derby has registered MBeans relevant to its current state.- Returns:
- true Derby has registered beans, false Derby has not registered any beans.
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getSystemIdentifier
String getSystemIdentifier()
Get the system identifier that this MBean is managing. The system identifier is a runtime value to disambiguate multiple Derby systems in the same virtual machine but different class loaders.- Returns:
- Runtime identifier for the system, null if Derby is not running.
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startManagement
void startManagement()
Inform Derby to start its JMX management by registering MBeans relevant to its current state. If Derby is not booted then no action is taken.Require
SystemPermission("jmx", "control")
if a security manager is installed.- See Also:
SystemPermission
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stopManagement
void stopManagement()
Inform Derby to stop its JMX management by unregistering its MBeans. If Derby is not booted then no action is taken.Require
SystemPermission("jmx", "control")
if a security manager is installed.- See Also:
SystemPermission
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