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JavaTM 2 Platform Std. Ed. v1.5.0
Class MBeanParameterInfo

  extended by
      extended by
All Implemented Interfaces:
Serializable, Cloneable
Direct Known Subclasses:

public class MBeanParameterInfo
extends MBeanFeatureInfo
implements Serializable, Cloneable

Describes an argument of an operation exposed by an MBean. Instances of this class are immutable. Subclasses may be mutable but this is not recommended.

See Also:
Serialized Form

Field Summary
Fields inherited from class
description, name
Constructor Summary
MBeanParameterInfo(String name, String type, String description)
          Constructs a MBeanParameterInfo object.
Method Summary
 Object clone()
          Returns a shallow clone of this instance.
 boolean equals(Object o)
          Compare this MBeanParameterInfo to another.
 String getType()
          Returns the type or class name of the data.
 int hashCode()
          Returns a hash code value for the object.
Methods inherited from class
getDescription, getName
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail


public MBeanParameterInfo(String name,
                          String type,
                          String description)
                   throws IllegalArgumentException
Constructs a MBeanParameterInfo object.

name - The name of the data
type - The type or class name of the data
description - A human readable description of the data. Optional.
Method Detail


public Object clone()

Returns a shallow clone of this instance. The clone is obtained by simply calling super.clone(), thus calling the default native shallow cloning mechanism implemented by Object.clone(). No deeper cloning of any internal field is made.

Since this class is immutable, cloning is chiefly of interest to subclasses.

clone in class Object
a clone of this instance.
See Also:


public String getType()
Returns the type or class name of the data.

the type string.


public boolean equals(Object o)
Compare this MBeanParameterInfo to another.

equals in class MBeanFeatureInfo
o - the object to compare to.
true iff o is an MBeanParameterInfo such that its MBeanFeatureInfo.getName(), getType(), and MBeanFeatureInfo.getDescription() values are equal (not necessarily identical) to those of this MBeanParameterInfo.
See Also:
Object.hashCode(), Hashtable


public int hashCode()
Description copied from class: Object
Returns a hash code value for the object. This method is supported for the benefit of hashtables such as those provided by java.util.Hashtable.

The general contract of hashCode is:

  • Whenever it is invoked on the same object more than once during an execution of a Java application, the hashCode method must consistently return the same integer, provided no information used in equals comparisons on the object is modified. This integer need not remain consistent from one execution of an application to another execution of the same application.
  • If two objects are equal according to the equals(Object) method, then calling the hashCode method on each of the two objects must produce the same integer result.
  • It is not required that if two objects are unequal according to the Object.equals(java.lang.Object) method, then calling the hashCode method on each of the two objects must produce distinct integer results. However, the programmer should be aware that producing distinct integer results for unequal objects may improve the performance of hashtables.

As much as is reasonably practical, the hashCode method defined by class Object does return distinct integers for distinct objects. (This is typically implemented by converting the internal address of the object into an integer, but this implementation technique is not required by the JavaTM programming language.)

hashCode in class MBeanFeatureInfo
a hash code value for this object.
See Also:
Object.equals(java.lang.Object), Hashtable

Copyright 2003 Sun Microsystems, Inc. All rights reserved