MbeansSource (Apache Tomcat 6.0.53 API Documentation)
Keywords: org.apache.tomcat.util.modeler.modules.MbeansSource class

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## org.apache.tomcat.util.modeler.modules
Class MbeansSource

    java.lang.Object
      org.apache.tomcat.util.modeler.modules.ModelerSource
          org.apache.tomcat.util.modeler.modules.MbeansSource

All Implemented Interfaces:
  MbeansSourceMBean

    public class MbeansSource

extends ModelerSource
implements MbeansSourceMBean

This will create mbeans based on a config file. The format is an extended version of MLET. Classloading. We don't support any explicit classloader tag. A ClassLoader is just an mbean ( it can be the standard MLetMBean or a custom one ). XXX add a special attribute to reference the loader mbean, XXX figure out how to deal with private loaders

Field Summary

Fields inherited from class org.apache.tomcat.util.modeler.modules.ModelerSource
`location, source`

Constructor Summary
`MbeansSource()`

Method Summary
`void` | `destroy()`
`void` | `execute()`
`java.lang.String` | `getLocation()`
`java.util.List` | `getMBeans()` Return the list of mbeans created by this source.
`java.lang.Object` | `getSource()`
`void` | `init()` Call the init method on all mbeans.
`void` | `load()` Load the mbeans from the source.
`java.util.List` | `loadDescriptors(Registry registry, java.lang.String location, java.lang.String type, java.lang.Object source)` Load data, returns a list of items.
`void` | `save()` Store the mbeans.
`void` | `setLocation(java.lang.String loc)`
`void` | `setRegistry(Registry reg)`
`void` | `setSource(java.lang.Object source)` Set the source to be used to load the mbeans
`void` | `setType(java.lang.String type)` Used if a single component is loaded
`void` | `start()`
`void` | `stop()`
`void` | `updateField(javax.management.ObjectName oname, java.lang.String name, java.lang.Object value)` Callback from the BaseMBean to notify that an attribute has changed.

Methods inherited from class org.apache.tomcat.util.modeler.modules.ModelerSource
`getInputStream, store`

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

Constructor Detail

### MbeansSource

    public MbeansSource()

Method Detail

### setRegistry

    public void setRegistry(Registry reg)

### setLocation

    public void setLocation(java.lang.String loc)

### setType

    public void setType(java.lang.String type)

  Used if a single component is loaded

  Parameters:
    `type` -

### setSource

    public void setSource(java.lang.Object source)

  Description copied from interface: `MbeansSourceMBean`
  Set the source to be used to load the mbeans

  Specified by:
    `setSource` in interface `MbeansSourceMBean`
  Parameters:
    `source` - File or URL

### getSource

    public java.lang.Object getSource()

  Specified by:
    `getSource` in interface `MbeansSourceMBean`

### getLocation

    public java.lang.String getLocation()

### getMBeans

    public java.util.List getMBeans()

  Return the list of mbeans created by this source. It can be used to implement runtime services.

  Specified by:
    `getMBeans` in interface `MbeansSourceMBean`
  Returns:
    List of ObjectName

### loadDescriptors

    public java.util.List loadDescriptors(Registry registry,
                                          java.lang.String location,
                                          java.lang.String type,
                                          java.lang.Object source)
                                   throws java.lang.Exception

  Description copied from class: `ModelerSource`
  Load data, returns a list of items.

  Overrides:
    `loadDescriptors` in class `ModelerSource`
    `source` - Introspected object or some other source
  Throws:
    `java.lang.Exception`

### start

    public void start()
               throws java.lang.Exception

  Throws:
    `java.lang.Exception`

### stop

    public void stop()
              throws java.lang.Exception

  Throws:
    `java.lang.Exception`

### init

    public void init()
              throws java.lang.Exception

  Description copied from interface: `MbeansSourceMBean`
  Call the init method on all mbeans. Will call load if not done already

  Specified by:
    `init` in interface `MbeansSourceMBean`
  Throws:
    `java.lang.Exception`

### destroy

    public void destroy()
                 throws java.lang.Exception

  Throws:
    `java.lang.Exception`

### load

    public void load()
              throws java.lang.Exception

  Description copied from interface: `MbeansSourceMBean`
  Load the mbeans from the source. Called automatically on init()

  Specified by:
    `load` in interface `MbeansSourceMBean`
  Throws:
    `java.lang.Exception`

### execute

    public void execute()
                 throws java.lang.Exception

  Throws:
    `java.lang.Exception`

### updateField

    public void updateField(javax.management.ObjectName oname,
                            java.lang.String name,
                            java.lang.Object value)

  Description copied from class: `ModelerSource`
  Callback from the BaseMBean to notify that an attribute has changed. Can be used to implement persistence.

  Overrides:
    `updateField` in class `ModelerSource`

### save

    public void save()

  Store the mbeans. XXX add a background thread to store it periodically

  Specified by:
    `save` in interface `MbeansSourceMBean`

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