org.jboss.kernel.spi.registry
Interface KernelRegistry

All Superinterfaces:

KernelEventEmitter, KernelObject

All Known Implementing Classes:

AbstractKernelRegistry

public interface KernelRegistry

extends KernelObject

A registry.

The registry is responsible for keeping track of named beans so they can be invoked over the bus and used in dependencies.

Version:

$Revision: 1.2 $

Author:

Adrian Brock, Les A. Hazlewood

Field Summary

static String	KERNEL_REGISTRY_REGISTERED Event type for registered event
static String	KERNEL_REGISTRY_UNREGISTERED Event type for unregistered event

Method Summary

boolean	containsEntry(Object name) Returns whether or not there exists a KernelRegistryEntry with the given name.
KernelRegistryEntry	getEntry(Object name) Get a registration
void	registerEntry(Object name, KernelRegistryEntry entry) Register an object
KernelRegistryEntry	unregisterEntry(Object name) Unregister an object

Methods inherited from interface org.jboss.kernel.spi.KernelObject

getKernel, setKernel

Methods inherited from interface org.jboss.kernel.spi.event.KernelEventEmitter

fireKernelEvent, registerListener, unregisterListener

Field Detail

KERNEL_REGISTRY_REGISTERED

public static final String KERNEL_REGISTRY_REGISTERED

Event type for registered event

See Also:

Constant Field Values

KERNEL_REGISTRY_UNREGISTERED

public static final String KERNEL_REGISTRY_UNREGISTERED

Event type for unregistered event

See Also:

Constant Field Values

Method Detail

getEntry

public KernelRegistryEntry getEntry(Object name)

Get a registration

Parameters:

name - the name of the object

Returns:

the registration

Throws:

IllegalArgumentException - for a null name

KernelRegistryEntryNotFoundException - when not found

registerEntry

public void registerEntry(Object name,
                          KernelRegistryEntry entry)

Register an object

Parameters:

name - the name of the object

entry - the registration

Throws:

IllegalArgumentException - for a null name or object

IllegalStateException - when the name is already registered

unregisterEntry

public KernelRegistryEntry unregisterEntry(Object name)

Unregister an object

Parameters:

name - the name of the object

Returns:

the unregistered entry

Throws:

IllegalArgumentException - for a null name

IllegalStateException - when the name is not registered

containsEntry

public boolean containsEntry(Object name)

Returns whether or not there exists a KernelRegistryEntry with the given name.

Parameters:

name - name of the KernelRegistryEntry

Returns:

true if there exists a KernelRegistryEntry with the given name, false otherwise.