org.glassfish.deployment.common

Class DynamicAttributesDescriptor

java.lang.Object

java.util.Observable

org.glassfish.deployment.common.DynamicAttributesDescriptor

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

Descriptor

public class DynamicAttributesDescriptor
extends Observable
implements Serializable

This class is a value holder for dynamic attributes. Dynamic attributes can be added, queried and removed from this value holder. Attributes are identified by a string key.

Author:

Jerome Dochez

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DynamicAttributesDescriptor()

Method Summary

Modifier and Type	Method and Description
void	addExtraAttribute(String name, Object value) Add a new dynamic attribte
Object	getExtraAttribute(String name) Obtain a dynamic attribute from the repository
Map	getExtraAttributes() Direct acess to the dynamic attributes repository
void	print(StringBuffer toStringBuffer)
void	removeExtraAttribute(String name) Removes a dynamic attribute from the repository
String	toString()

Methods inherited from class java.util.Observable

addObserver, clearChanged, countObservers, deleteObserver, deleteObservers, hasChanged, notifyObservers, notifyObservers, setChanged

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DynamicAttributesDescriptor

public DynamicAttributesDescriptor()

Method Detail

getExtraAttributes

public Map getExtraAttributes()

Direct acess to the dynamic attributes repository

Returns:

the Map of dynamic attributes

addExtraAttribute

public void addExtraAttribute(String name,
                              Object value)

Add a new dynamic attribte

Parameters:

name - the attribute name

value - the attribute value

getExtraAttribute

public Object getExtraAttribute(String name)

Obtain a dynamic attribute from the repository

Parameters:

name - the attribute name

Returns:

the attribute value of null of non existent

removeExtraAttribute

public void removeExtraAttribute(String name)

Removes a dynamic attribute from the repository

Parameters:

name - the attribute name

print

public void print(StringBuffer toStringBuffer)

toString

public String toString()

Overrides:

toString in class Object

Returns:

a meaningfull string about ourself No Descriptor class which inherits this class should override this method. Rather print() method which is defined in this class should be overridden to describe itself. Refer to the comments on print() method for more details. This method is optimized for persformance reasons.