public class

ObjectInstance

extends Object
implements Serializable
java.lang.Object
   ↳ javax.management.ObjectInstance

Class Overview

Used to represent the object name of an MBean and its class name. If the MBean is a Dynamic MBean the class name should be retrieved from the MBeanInfo it provides.

Summary

Public Constructors
ObjectInstance(String objectName, String className)
Allows an object instance to be created given a string representation of an object name and the full class name, including the package name.
ObjectInstance(ObjectName objectName, String className)
Allows an object instance to be created given an object name and the full class name, including the package name.
Public Methods
boolean equals(Object object)
Compares the current object instance with another object instance.
String getClassName()
Returns the class part.
ObjectName getObjectName()
Returns the object name part.
int hashCode()
Returns a hash code value for the object.
String toString()
Returns a string representing this ObjectInstance object.
[Expand]
Inherited Methods
From class java.lang.Object

Public Constructors

public ObjectInstance (String objectName, String className)

Allows an object instance to be created given a string representation of an object name and the full class name, including the package name.

Parameters
objectName A string representation of the object name.
className The full class name, including the package name, of the object instance. If the MBean is a Dynamic MBean the class name corresponds to its getMBeanInfo().getClassName().
Throws
MalformedObjectNameException The string passed as a parameter does not have the right format.

public ObjectInstance (ObjectName objectName, String className)

Allows an object instance to be created given an object name and the full class name, including the package name.

Parameters
objectName The object name.
className The full class name, including the package name, of the object instance. If the MBean is a Dynamic MBean the class name corresponds to its getMBeanInfo().getClassName(). If the MBean is a Dynamic MBean the class name should be retrieved from the MBeanInfo it provides.

Public Methods

public boolean equals (Object object)

Compares the current object instance with another object instance.

Parameters
object The object instance that the current object instance is to be compared with.
Returns
  • True if the two object instances are equal, otherwise false.

public String getClassName ()

Returns the class part.

Returns
  • the class name.

public ObjectName getObjectName ()

Returns the object name part.

Returns
  • the object name.

public int hashCode ()

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 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.)

Returns
  • a hash code value for this object.

public String toString ()

Returns a string representing this ObjectInstance object. The format of this string is not specified, but users can expect that two ObjectInstances return the same string if and only if they are equal.

Returns
  • a string representation of the object.