javax.management

## Class MBeanServerBuilder

- java.lang.Object
- - javax.management.MBeanServerBuilder

-     public class MBeanServerBuilder
      extends Object

  This class represents a builder that creates a default `MBeanServer` implementation. The JMX `MBeanServerFactory` allows applications to provide their custom MBeanServer implementation by providing a subclass of this class.

  Since:
    1.5
  See Also:
    `MBeanServer`, `MBeanServerFactory`

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `MBeanServerBuilder()` Public default constructor.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `MBeanServer` | `newMBeanServer(String defaultDomain, MBeanServer outer, MBeanServerDelegate delegate)` This method creates a new MBeanServer implementation object.
    `MBeanServerDelegate` | `newMBeanServerDelegate()` This method creates a new MBeanServerDelegate for a new MBeanServer.

    - ### Methods inherited from class java.lang.Object

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

- - ### Constructor Detail

    - #### MBeanServerBuilder

          public MBeanServerBuilder()

      Public default constructor.

  - ### Method Detail

    - #### newMBeanServerDelegate

          public MBeanServerDelegate newMBeanServerDelegate()

      This method creates a new MBeanServerDelegate for a new MBeanServer. When creating a new MBeanServer the `MBeanServerFactory` first calls this method in order to create a new MBeanServerDelegate.
      Then it calls `newMBeanServer(defaultDomain,outer,delegate)` passing the delegate that should be used by the MBeanServer implementation.

      Note that the passed delegate might not be directly the MBeanServerDelegate that was returned by this method. It could be, for instance, a new object wrapping the previously returned object.

      Returns:
        A new `MBeanServerDelegate`.

    - #### newMBeanServer

          public MBeanServer newMBeanServer(String defaultDomain,
                                   MBeanServer outer,
                                   MBeanServerDelegate delegate)

      This method creates a new MBeanServer implementation object. When creating a new MBeanServer the `MBeanServerFactory` first calls `newMBeanServerDelegate()` in order to obtain a new `MBeanServerDelegate` for the new MBeanServer. Then it calls `newMBeanServer(defaultDomain,outer,delegate)` passing the delegate that should be used by the MBeanServer implementation.

      Note that the passed delegate might not be directly the MBeanServerDelegate that was returned by this implementation. It could be, for instance, a new object wrapping the previously returned delegate.

      The outer parameter is a pointer to the MBeanServer that should be passed to the `MBeanRegistration` interface when registering MBeans inside the MBeanServer. If outer is `null`, then the MBeanServer implementation must use its own `this` reference when invoking the `MBeanRegistration` interface.

      This makes it possible for a MBeanServer implementation to wrap another MBeanServer implementation, in order to implement, e.g, security checks, or to prevent access to the actual MBeanServer implementation by returning a pointer to a wrapping object.

      Parameters:
        `defaultDomain` - Default domain of the new MBeanServer.
        `outer` - A pointer to the MBeanServer object that must be passed to the MBeans when invoking their `MBeanRegistration` interface.
        `delegate` - A pointer to the MBeanServerDelegate associated with the new MBeanServer. The new MBeanServer must register this MBean in its MBean repository.
      Returns:
        A new private implementation of an MBeanServer.

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