org.jboss.kernel.spi.registry
Interface KernelRegistry

All Superinterfaces:

KernelEventEmitter, KernelObject

All Known Implementing Classes:

AbstractKernelRegistry, BasicKernelRegistry

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: 62035 $

Author:

Adrian Brock, Les A. Hazlewood

Field Summary

static String	KERNEL_REGISTRY_MODIFIED Event type for modified event
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

static final String KERNEL_REGISTRY_REGISTERED

Event type for registered event

See Also:

Constant Field Values

KERNEL_REGISTRY_MODIFIED

static final String KERNEL_REGISTRY_MODIFIED

Event type for modified event

See Also:

Constant Field Values

KERNEL_REGISTRY_UNREGISTERED

static final String KERNEL_REGISTRY_UNREGISTERED

Event type for unregistered event

See Also:

Constant Field Values

Method Detail

getEntry

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

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

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

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.