de.intarsys.claptz.impl

Class StandardInstrumentRegistry.Facade

java.lang.Object

de.intarsys.claptz.impl.StandardInstrumentRegistry.Facade

All Implemented Interfaces:

IInstrumentRegistry, IAttributeSupport, INotificationSupport

Enclosing class:

StandardInstrumentRegistry

public class StandardInstrumentRegistry.Facade
extends Object
implements IInstrumentRegistry

The public portion of the InstrumentRegistry, which itself is never leaked to client code.

Constructor Summary

Constructors

Constructor and Description
StandardInstrumentRegistry.Facade()

Method Summary

Methods

Modifier and Type	Method and Description
void	addNotificationListener(EventType type, INotificationListener listener) Add listener to the collection of objects to be informed when the receiver triggers an event of type name.
IInstrument	createInstrument(String id, IInstrumentStore store)
Object	getAttribute(Object key) Get an attribute value from the context
IExtensionPoint[]	getExtensionPoints()
IInstrument[]	getInstruments() A collection of all IInstrument instances registered.
void	load(IInstrumentStore store)
IExtensionPoint	lookupExtensionPoint(String name)
IInstrument	lookupInstrument(String name) Lookup the instrument with the id "name".
void	registerInstrument(IInstrument instrument) Register a new instrument in the registry.
Object	removeAttribute(Object key) Remove an attribute binding in the context
void	removeNotificationListener(EventType type, INotificationListener listener) Remove listener from the collection of objects to be informed about events of type name.
Object	setAttribute(Object key, Object value) Set the value of an attribute in the context
void	unregisterInstrument(IInstrument instrument) Unregister an instrument from the registry.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StandardInstrumentRegistry.Facade

public StandardInstrumentRegistry.Facade()

Method Detail

addNotificationListener

public void addNotificationListener(EventType type,
                           INotificationListener listener)

Description copied from interface: INotificationSupport

Add listener to the collection of objects to be informed when the receiver triggers an event of type name.

Specified by:

addNotificationListener in interface INotificationSupport

Parameters:

type - The event type we are interested in.

listener - The object to be informed about an event occurrence

createInstrument

public IInstrument createInstrument(String id,
                           IInstrumentStore store)

Specified by:

createInstrument in interface IInstrumentRegistry

getAttribute

public Object getAttribute(Object key)

Description copied from interface: IAttributeSupport

Get an attribute value from the context

Specified by:

getAttribute in interface IAttributeSupport

Parameters:

key - the name of the attribute to get

Returns:

The value of the attribute key

getExtensionPoints

public IExtensionPoint[] getExtensionPoints()

Specified by:

getExtensionPoints in interface IInstrumentRegistry

getInstruments

public IInstrument[] getInstruments()

Description copied from interface: IInstrumentRegistry

A collection of all IInstrument instances registered.

You can not modify the result of this request.

Specified by:

getInstruments in interface IInstrumentRegistry

Returns:

A collection of all IInstrument instances registered.

load

public void load(IInstrumentStore store)
          throws InstrumentRegistryException

Specified by:

load in interface IInstrumentRegistry

Throws:

InstrumentRegistryException

lookupExtensionPoint

public IExtensionPoint lookupExtensionPoint(String name)

Specified by:

lookupExtensionPoint in interface IInstrumentRegistry

lookupInstrument

public IInstrument lookupInstrument(String name)

Description copied from interface: IInstrumentRegistry

Lookup the instrument with the id "name".

Specified by:

lookupInstrument in interface IInstrumentRegistry

Parameters:

name - The name of the instrument to look up.

Returns:

The instrument with the id "name".

registerInstrument

public void registerInstrument(IInstrument instrument)
                        throws InstrumentRegistryException

Description copied from interface: IInstrumentRegistry

Register a new instrument in the registry.

Specified by:

registerInstrument in interface IInstrumentRegistry

Parameters:

instrument - The new instrument instance.

Throws:

InstrumentRegistryException

removeAttribute

public Object removeAttribute(Object key)

Description copied from interface: IAttributeSupport

Remove an attribute binding in the context

Specified by:

removeAttribute in interface IAttributeSupport

Parameters:

key - the name of the attribute to remove

Returns:

The previously associated value for key

removeNotificationListener

public void removeNotificationListener(EventType type,
                              INotificationListener listener)

Description copied from interface: INotificationSupport

Remove listener from the collection of objects to be informed about events of type name.

Specified by:

removeNotificationListener in interface INotificationSupport

Parameters:

type - The event type we are no longer interested in.

listener - The object registered for the event till now.

setAttribute

public Object setAttribute(Object key,
                  Object value)

Description copied from interface: IAttributeSupport

Set the value of an attribute in the context

Specified by:

setAttribute in interface IAttributeSupport

Parameters:

key - the name of the attribute to set

value - the new value the attribute

Returns:

The previously associated value for key

unregisterInstrument

public void unregisterInstrument(IInstrument instrument)
                          throws InstrumentRegistryException

Description copied from interface: IInstrumentRegistry

Unregister an instrument from the registry.

Specified by:

unregisterInstrument in interface IInstrumentRegistry

Parameters:

instrument - The instrument to be unregistered

Throws:

InstrumentRegistryException