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## groovy.util
Class GroovyMBean

    java.lang.Object
      groovy.lang.GroovyObjectSupport
          groovy.util.GroovyMBean

All Implemented Interfaces:
  GroovyObject

    public class GroovyMBean

extends GroovyObjectSupport

A GroovyObject facade for an underlying MBean which acts like a normal groovy object but which is actually implemented via an underlying JMX MBean. Properties and normal method invocations delegate to the MBeanServer to the actual MBean.

Version:
  $Revision: 7934 $
Author:
  James Strachan, Steve Button, Paul King

Constructor Summary
`GroovyMBean(MBeanServerConnection server, ObjectName name)`
`GroovyMBean(MBeanServerConnection server, ObjectName name, boolean ignoreErrors)`
`GroovyMBean(MBeanServerConnection server, String objectName)`
`GroovyMBean(MBeanServerConnection server, String objectName, boolean ignoreErrors)`

Method Summary
`protected String` | `createOperationKey(String operation, int params)` Construct a simple key based on the method name and the number of parameters
`protected String[]` | `createSignature(MBeanOperationInfo info)`
`protected String` | `describeAttribute(MBeanAttributeInfo attr)` Description of the specified attribute name.
`String` | `describeAttribute(String attributeName)` Description of the specified attribute name.
`protected String` | `describeOperation(MBeanOperationInfo operation)` Description of the operation.
`List` | `describeOperation(String operationName)` Get the description of the specified operation.
`Object` | `getProperty(String property)` Retrieves a property value.
`MBeanInfo` | `info()`
`Object` | `invokeMethod(String method, Object arguments)` Invokes the given method.
`Collection` | `listAttributeDescriptions()` List of string representations of all of the attributes on the MBean.
`Collection` | `listAttributeNames()` List of the names of each of the attributes on the MBean
`List` | `listAttributeValues()` The values of each of the attributes on the MBean
`Collection` | `listOperationDescriptions()` Description of all of the operations available on the MBean.
`Collection` | `listOperationNames()` Names of all the operations available on the MBean.
`ObjectName` | `name()`
`MBeanServerConnection` | `server()`
`void` | `setProperty(String property, Object value)` Sets the given property to the new value.
`String` | `toString()` Return an end user readable representation of the underlying MBean

Methods inherited from class groovy.lang.GroovyObjectSupport
`getMetaClass, setMetaClass`

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

Constructor Detail

### GroovyMBean

    public GroovyMBean(MBeanServerConnection server,
                       String objectName)
                throws JMException,
                       IOException

Throws:
  `JMException`
  `IOException`

### GroovyMBean

    public GroovyMBean(MBeanServerConnection server,
                       String objectName,
                       boolean ignoreErrors)
                throws JMException,
                       IOException

Throws:
  `JMException`
  `IOException`

### GroovyMBean

    public GroovyMBean(MBeanServerConnection server,
                       ObjectName name)
                throws JMException,
                       IOException

Throws:
  `JMException`
  `IOException`

### GroovyMBean

    public GroovyMBean(MBeanServerConnection server,
                       ObjectName name,
                       boolean ignoreErrors)
                throws JMException,
                       IOException

Throws:
  `JMException`
  `IOException`

Method Detail

### server

    public MBeanServerConnection server()

### name

    public ObjectName name()

### info

    public MBeanInfo info()

### getProperty

    public Object getProperty(String property)

  Description copied from interface: `GroovyObject`
  Retrieves a property value.

  Specified by:
    `getProperty` in interface `GroovyObject`
  Overrides:
    `getProperty` in class `GroovyObjectSupport`
  Parameters:
    `property` - the name of the property of interest
  Returns:
    the given property

### setProperty

    public void setProperty(String property,
                            Object value)

  Description copied from interface: `GroovyObject`
  Sets the given property to the new value.

  Specified by:
    `setProperty` in interface `GroovyObject`
  Overrides:
    `setProperty` in class `GroovyObjectSupport`
  Parameters:
    `property` - the name of the property of interest
    `value` - the new value for the property

### invokeMethod

    public Object invokeMethod(String method,
                               Object arguments)

  Description copied from interface: `GroovyObject`
  Invokes the given method.

  Specified by:
    `invokeMethod` in interface `GroovyObject`
  Overrides:
    `invokeMethod` in class `GroovyObjectSupport`
  Parameters:
    `method` - the name of the method to call
    `arguments` - the arguments to use for the method call
  Returns:
    the result of invoking the method

### createSignature

    protected String[] createSignature(MBeanOperationInfo info)

### createOperationKey

    protected String createOperationKey(String operation,
                                        int params)

  Construct a simple key based on the method name and the number of parameters

  Parameters:
    `operation` - - the mbean operation name
    `params` - - the number of parameters the operation supports
  Returns:
    simple unique identifier for a method

### listAttributeNames

    public Collection listAttributeNames()

  List of the names of each of the attributes on the MBean

  Returns:
    list of attribute names

### listAttributeValues

    public List listAttributeValues()

  The values of each of the attributes on the MBean

  Returns:
    list of values of each attribute

### listAttributeDescriptions

    public Collection listAttributeDescriptions()

  List of string representations of all of the attributes on the MBean.

  Returns:
    list of descriptions of each attribute on the mbean

### describeAttribute

    protected String describeAttribute(MBeanAttributeInfo attr)

  Description of the specified attribute name.

  Parameters:
    `attr` - - the attribute
  Returns:
    String the description

### describeAttribute

    public String describeAttribute(String attributeName)

  Description of the specified attribute name.

  Parameters:
    `attributeName` - - stringified name of the attribute
  Returns:
    the description

### listOperationNames

    public Collection listOperationNames()

  Names of all the operations available on the MBean.

  Returns:
    all the operations on the MBean

### listOperationDescriptions

    public Collection listOperationDescriptions()

  Description of all of the operations available on the MBean.

  Returns:
    full description of each operation on the MBean

### describeOperation

    public List describeOperation(String operationName)

  Get the description of the specified operation. This returns a Collection since operations can be overloaded and one operationName can have multiple forms.

  Parameters:
    `operationName` - the name of the operation to describe
  Returns:
    Collection of operation description

### describeOperation

    protected String describeOperation(MBeanOperationInfo operation)

  Description of the operation.

  Parameters:
    `operation` - the operation to describe
  Returns:
    pretty-printed description

### toString

    public String toString()

  Return an end user readable representation of the underlying MBean

  Overrides:
    `toString` in class `Object`
  Returns:
    the user readable description

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