org.apache.jetspeed.services.registry
Class HybridRegistryService

java.lang.Object
  org.apache.turbine.services.BaseInitable
      org.apache.turbine.services.BaseService
          org.apache.turbine.services.TurbineBaseService
              org.apache.jetspeed.services.registry.CastorRegistryService
                  org.apache.jetspeed.services.registry.HybridRegistryService

All Implemented Interfaces:

FileRegistry, HybridRegistry, org.apache.turbine.services.Initable, javax.jms.MessageListener, RegistryService, org.apache.turbine.services.Service

public class HybridRegistryService

extends CastorRegistryService

implements HybridRegistry

Implements the Jetspeed Registry Service interface, with a hybrid of Database and File-based (Castor) Registry storage. Allows user to store some registries in the database, and others on the file system.

Version:

$Id: HybridRegistryService.java,v 1.12 2004/08/05 04:27:03 jford Exp $

Author:

David Sean Taylor

Field Summary

Fields inherited from class org.apache.jetspeed.services.registry.CastorRegistryService

DEFAULT_EXTENSION, DEFAULT_MAPPING, DEFAULT_REFRESH, defaults, directory, enableMessaging, entryIndex, extension, format, fragments, mapping, registries, watcher

Fields inherited from class org.apache.turbine.services.BaseService

configuration, name, properties, serviceBroker

Fields inherited from class org.apache.turbine.services.BaseInitable

initableBroker, isInitialized

Fields inherited from interface org.apache.jetspeed.services.registry.RegistryService

SERVICE_NAME

Constructor Summary

HybridRegistryService()

Method Summary

void	addEntry(java.lang.String registryName, RegistryEntry entry) Add a new RegistryEntry in the named Registry.
RegistryEntry	createEntry(java.lang.String registryName) Creates a new RegistryEntry instance compatible with the current Registry instance implementation
Registry	get(java.lang.String registryName) Returns a Registry object for further manipulation
RegistryEntry	getEntry(java.lang.String registryName, java.lang.String entryName) Returns a RegistryEntry from the named Registry.
java.util.Enumeration	getNames() List all the registry currently available to this service
boolean	getReplaceImportedEntries()
void	init() Late init method from Turbine Service model
void	init(javax.servlet.ServletConfig conf) This is the early initialization method called by the Turbine Service framework
java.util.List	listDatabaseRegistries() List of all registries managed in the database.
java.util.List	listFileRegistries() List of all registries managed in the file system.
void	onMessage(javax.jms.Message message)
protected void	refresh(java.lang.String regName) Scan all the registry fragments for new entries relevant to this registry and update its definition.
void	removeEntry(java.lang.String registryName, java.lang.String entryName) Deletes a RegistryEntry from the named Registry This is a convenience wrapper around Registry.removeEntry(org.apache.jetspeed.om.registry.RegistryEntry)
void	saveEntry(java.lang.String registryName, RegistryEntry entry) Saves a RegistryEntry to the named Registry.
void	shutdown() This is the shutdown method called by the Turbine Service framework

Methods inherited from class org.apache.jetspeed.services.registry.CastorRegistryService

createFragment, createMessage, createRegistry, getFragmentMap, loadDatabaseManagedRegistries, loadFragment, refresh, removeFragment, saveFragment, updateFragment

Methods inherited from class org.apache.turbine.services.TurbineBaseService

init, init

Methods inherited from class org.apache.turbine.services.BaseService

getConfiguration, getName, getProperties, getServiceBroker, setName, setServiceBroker

Methods inherited from class org.apache.turbine.services.BaseInitable

getInit, getInitableBroker, setInit, setInitableBroker

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.turbine.services.Service

getConfiguration, getName, getProperties, setName, setServiceBroker

Methods inherited from interface org.apache.turbine.services.Initable

getInit, init, setInitableBroker

Constructor Detail

HybridRegistryService

public HybridRegistryService()

Method Detail

init

public void init(javax.servlet.ServletConfig conf)
          throws org.apache.turbine.services.InitializationException

This is the early initialization method called by the Turbine Service framework

Overrides:

init in class CastorRegistryService

Throws:

org.apache.turbine.services.InitializationException

getReplaceImportedEntries

public boolean getReplaceImportedEntries()

getNames

public java.util.Enumeration getNames()

Description copied from class: CastorRegistryService

List all the registry currently available to this service

Specified by:

getNames in interface RegistryService

Overrides:

getNames in class CastorRegistryService

Returns:

an Enumeration of registry names.

listDatabaseRegistries

public java.util.List listDatabaseRegistries()

Description copied from interface: HybridRegistry

List of all registries managed in the database.

Specified by:

listDatabaseRegistries in interface HybridRegistry

listFileRegistries

public java.util.List listFileRegistries()

Description copied from interface: HybridRegistry

List of all registries managed in the file system.

Specified by:

listFileRegistries in interface HybridRegistry

get

public Registry get(java.lang.String registryName)

Description copied from class: CastorRegistryService

Returns a Registry object for further manipulation

Specified by:

get in interface RegistryService

Overrides:

get in class CastorRegistryService

Parameters:

registryName - the name of the registry to fetch

Returns:

a Registry object if found by the manager or null

createEntry

public RegistryEntry createEntry(java.lang.String registryName)

Description copied from class: CastorRegistryService

Creates a new RegistryEntry instance compatible with the current Registry instance implementation

Specified by:

createEntry in interface RegistryService

Overrides:

createEntry in class CastorRegistryService

Parameters:

registryName - the name of the registry to use

Returns:

the newly created RegistryEntry

getEntry

public RegistryEntry getEntry(java.lang.String registryName,
                              java.lang.String entryName)

Description copied from class: CastorRegistryService

Returns a RegistryEntry from the named Registry. This is a convenience wrapper around Registry.getEntry(java.lang.String)

Specified by:

getEntry in interface RegistryService

Overrides:

getEntry in class CastorRegistryService

Parameters:

registryName - the name of the registry

entryName - the name of the entry to retrieve from the registry

Returns:

a RegistryEntry object if the key is found or null

addEntry

public void addEntry(java.lang.String registryName,
                     RegistryEntry entry)
              throws RegistryException

Description copied from class: CastorRegistryService

Add a new RegistryEntry in the named Registry. This is a convenience wrapper around Registry.addEntry(org.apache.jetspeed.om.registry.RegistryEntry)

Specified by:

addEntry in interface RegistryService

Overrides:

addEntry in class CastorRegistryService

Parameters:

registryName - the name of the registry

entry - the Registry entry to add

Throws:

RegistryException

removeEntry

public void removeEntry(java.lang.String registryName,
                        java.lang.String entryName)

Description copied from class: CastorRegistryService

Deletes a RegistryEntry from the named Registry This is a convenience wrapper around Registry.removeEntry(org.apache.jetspeed.om.registry.RegistryEntry)

Specified by:

removeEntry in interface RegistryService

Overrides:

removeEntry in class CastorRegistryService

Parameters:

registryName - the name of the registry

entryName - the name of the entry to remove

saveEntry

public void saveEntry(java.lang.String registryName,
                      RegistryEntry entry)
               throws RegistryException

Description copied from interface: RegistryService

Saves a RegistryEntry to the named Registry. This should save the entry immediately to the underlying storage mechanism. This is a convenience wrapper around Registry.removeEntry(org.apache.jetspeed.om.registry.RegistryEntry)

Specified by:

saveEntry in interface RegistryService

Overrides:

saveEntry in class CastorRegistryService

Throws:

RegistryException

See Also:

org.apache.jetspeed.services.registry.RegistryService#saveEntry(java.lang.String, java.lang.String)

refresh

protected void refresh(java.lang.String regName)

Description copied from class: CastorRegistryService

Scan all the registry fragments for new entries relevant to this registry and update its definition.

Overrides:

refresh in class CastorRegistryService

Parameters:

regName - the name of the Registry to refresh

init

public void init()
          throws org.apache.turbine.services.InitializationException

Late init method from Turbine Service model

Specified by:

init in interface org.apache.turbine.services.Initable

Overrides:

init in class CastorRegistryService

Throws:

org.apache.turbine.services.InitializationException

shutdown

public void shutdown()

This is the shutdown method called by the Turbine Service framework

Specified by:

shutdown in interface org.apache.turbine.services.Initable

Overrides:

shutdown in class CastorRegistryService

onMessage

public void onMessage(javax.jms.Message message)

Specified by:

onMessage in interface javax.jms.MessageListener

Overrides:

onMessage in class CastorRegistryService

See Also:

MessageListener.onMessage(javax.jms.Message)