de.intarsys.tools.attribute

Interface IAttributeSupport

All Known Subinterfaces:

IActivityContext, IExtension, IExtensionPoint, IInstrument, IInstrumentRegistry

All Known Implementing Classes:

AttributeMap, BeanPropertiesNode, CommonFactory, CommonNode, CredentialFactory, DeclaredPropertiesNode, FunctorFieldHandler, FunctorMethodHandler, GenericFactory, NoneNode, PropertiesNode, PropertyNode, StandardActivityContext, StandardExtension.Facade, StandardExtensionPoint.Facade, StandardInstrument, StandardInstrument.Facade, StandardInstrumentRegistry, StandardInstrumentRegistry.Facade

public interface IAttributeSupport

This interface declares support for "generic attributes".

This means the object implementing this interface may be extended transparently by its clients with name/value pairs. These attributes and their values are stored but not interpreted by the object that implements this interface.

Method Summary

Methods

Modifier and Type	Method and Description
Object	getAttribute(Object key) Get an attribute value from the context
Object	removeAttribute(Object key) Remove an attribute binding in the context
Object	setAttribute(Object key, Object value) Set the value of an attribute in the context

Method Detail

getAttribute

Object getAttribute(Object key)

Get an attribute value from the context

Parameters:

key - the name of the attribute to get

Returns:

The value of the attribute key

removeAttribute

Object removeAttribute(Object key)

Remove an attribute binding in the context

Parameters:

key - the name of the attribute to remove

Returns:

The previously associated value for key

setAttribute

Object setAttribute(Object key,
                  Object value)

Set the value of an attribute in the context

Parameters:

key - the name of the attribute to set

value - the new value the attribute

Returns:

The previously associated value for key