javax.management
Class MBeanAttributeInfo

java.lang.Object
  extended byjavax.management.MBeanFeatureInfo
      extended byjavax.management.MBeanAttributeInfo
All Implemented Interfaces:
Cloneable, Serializable
Direct Known Subclasses:
ModelMBeanAttributeInfo, OpenMBeanAttributeInfoSupport
public class MBeanAttributeInfo
extends MBeanFeatureInfo
implements Serializable, Cloneable

Describes an MBean attribute exposed for management. 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 javax.management.MBeanFeatureInfo
description, name
 

 

Constructor Summary

MBeanAttributeInfo(String name, String description, Method getter, Method setter)
          This constructor takes the name of a simple attribute, and Method objects for reading and writing the attribute.
MBeanAttributeInfo(String name, String type, String description, boolean isReadable, boolean isWritable, boolean isIs)
          Constructs an MBeanAttributeInfo object.
 
Method Summary
 Object clone()
          Returns a shallow clone of this instance.
 boolean equals(Object o)
          Compare this MBeanAttributeInfo to another.
 String getType()
          Returns the class name of the attribute.
 int hashCode()
           
 boolean isIs()
          Indicates if this attribute has an "is" getter.
 boolean isReadable()
          Whether the value of the attribute can be read.
 boolean isWritable()
          Whether new values can be written to the attribute.
 
Methods inherited from class javax.management.MBeanFeatureInfo
getDescription, getName
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

MBeanAttributeInfo

public MBeanAttributeInfo(String name,
                          String type,
                          String description,
                          boolean isReadable,
                          boolean isWritable,
                          boolean isIs)
                   throws IllegalArgumentException
Constructs an MBeanAttributeInfo object.

Parameters:
name - The name of the attribute.
type - The type or class name of the attribute.
description - A human readable description of the attribute.
isReadable - True if the attribute has a getter method, false otherwise.
isWritable - True if the attribute has a setter method, false otherwise.
isIs - True if this attribute has an "is" getter, false otherwise.
Throws:
IllegalArgumentException - if name is not a valid Java identifier or if type is not a syntactically legal Java type name. Java reserved words are not considered illegal here.

MBeanAttributeInfo

public MBeanAttributeInfo(String name,
                          String description,
                          Method getter,
                          Method setter)
                   throws IntrospectionException
This constructor takes the name of a simple attribute, and Method objects for reading and writing the attribute.

Parameters:
name - The programmatic name of the attribute.
description - A human readable description of the attribute.
getter - The method used for reading the attribute value. May be null if the property is write-only.
setter - The method used for writing the attribute value. May be null if the attribute is read-only.
Throws:
IntrospectionException - There is a consistency problem in the definition of this attribute.
Method Detail

clone

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.

getType

public String getType()
Returns the class name of the attribute.

Returns:
the class name.

isReadable

public boolean isReadable()
Whether the value of the attribute can be read.

Returns:
True if the attribute can be read, false otherwise.

isWritable

public boolean isWritable()
Whether new values can be written to the attribute.

Returns:
True if the attribute can be written to, false otherwise.

isIs

public boolean isIs()
Indicates if this attribute has an "is" getter.

Returns:
true if this attribute has an "is" getter.

equals

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

Overrides:
equals in class MBeanFeatureInfo
Parameters:
o - the object to compare to.
Returns:
true iff o is an MBeanAttributeInfo such that its MBeanFeatureInfo.getName(), getType(), MBeanFeatureInfo.getDescription(), isReadable(), isWritable(), and isIs() values are equal (not necessarily identical) to those of this MBeanAttributeInfo.

hashCode

public int hashCode()
Overrides:
hashCode in class MBeanFeatureInfo
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Copyright 2003 Sun Microsystems, Inc. All rights reserved.