ManagementManager (DataNucleus Core 6.0.1-SNAPSHOT API)

java.lang.Object
- org.datanucleus.management.ManagementManager

```
public class ManagementManager
extends Object
```
Management interface for DataNucleus. Management operations and attributes are exposed through this interface that holds statistics linked to a NucleusContext instance.
The mechanics for starting and stopping JMX servers are not defined here, and must be done by plug-ins, by providing the implementation of ManagementServer. This Manager controls the lifecycle of management servers. A management server is started when an instance of this class is created, and its shutdown when the close operation is invoked The management server startup is triggered when the Manager gets enabled.

Field Summary

Fields
Modifier and Type Field Description

static Random random
Random number generator, for use when needing unique names.

Constructor Summary

Constructors
Constructor Description

ManagementManager(NucleusContext ctxt)
Constructor for Management.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`	Close a instance.
`void`	`deregisterMBean(String name)`	Deregister an MBean from the MBeanServer
`String`	`getDomainName()`	Domain name for this manager instance.
`String`	`getInstanceName()`	Instance name for this manager instance.
`boolean`	`isOpen()`	Whether this Manager is not closed
`void`	`registerMBean(Object mbean, String name)`	Register an MBean into the MBeanServer

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - random
```
public static final Random random
```
    Random number generator, for use when needing unique names.
- Constructor Detail
  - ManagementManager
```
public ManagementManager(NucleusContext ctxt)
```
    Constructor for Management.
    
    Parameters:
    
    ctxt - the NucleusContext that we are operating for
- Method Detail
  - getInstanceName
```
public String getInstanceName()
```
    Instance name for this manager instance.
    
    Returns:
    
    Instance name
  - getDomainName
```
public String getDomainName()
```
    Domain name for this manager instance.
    
    Returns:
    
    Domain name
  - registerMBean
```
public void registerMBean(Object mbean,
                          String name)
```
    Register an MBean into the MBeanServer
    
    Parameters:
    
    mbean - the MBean instance
    
    name - the mbean name
  - deregisterMBean
```
public void deregisterMBean(String name)
```
    Deregister an MBean from the MBeanServer
    
    Parameters:
    
    name - the mbean name
  - isOpen
```
public boolean isOpen()
```
    Whether this Manager is not closed
    
    Returns:
    
    true if this Manager is open
  - close
```
public void close()
```
    Close a instance.
    
    Throws:
    
    NucleusException - if the manager is closed