com.atlassian.jira.user
Class CachingExternalEntityStore

java.lang.Object
  com.atlassian.jira.user.CachingExternalEntityStore

All Implemented Interfaces:

Startable, ExternalEntityStore

public class CachingExternalEntityStore
extends Object
implements ExternalEntityStore, Startable

A caching wrapper around the delegateEntityStore.

Field Summary

protected ConcurrentHashMap<String,Long>

nameIdMap

Constructor Summary

CachingExternalEntityStore(ExternalEntityStore delegateEntityStore, com.atlassian.event.api.EventPublisher eventPublisher)
Creates a new instance of this class wrapping and caching the given ExternalEntityStore

Method Summary

Long	createIfDoesNotExist(String name) Checks the cache first and if does not exist in the cache, delegates to the wrapped entity store.
void	onClearCache(ClearCacheEvent event)
void	start() This method wil be called after the plugin system is fully initialised and all components added to the dependency injection framework.

Methods inherited from class java.lang.Object

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

Field Detail

nameIdMap

protected final ConcurrentHashMap<String,Long> nameIdMap

Constructor Detail

CachingExternalEntityStore

public CachingExternalEntityStore(ExternalEntityStore delegateEntityStore,
                                  com.atlassian.event.api.EventPublisher eventPublisher)

Creates a new instance of this class wrapping and caching the given ExternalEntityStore

Parameters:

delegateEntityStore - ExternalEntityStore to cache and delegate to

eventPublisher -

Method Detail

start

public void start()
           throws Exception

Description copied from interface: Startable

This method wil be called after the plugin system is fully initialised and all components added to the dependency injection framework.

Specified by:

start in interface Startable

Throws:

Exception - Allows implementations to throw an Exception.

onClearCache

@EventListener
public void onClearCache(ClearCacheEvent event)

createIfDoesNotExist

public Long createIfDoesNotExist(String name)
                          throws IllegalArgumentException

Checks the cache first and if does not exist in the cache, delegates to the wrapped entity store.

Specified by:

createIfDoesNotExist in interface ExternalEntityStore

Parameters:

name - profile name to create

Returns:

Long id, this is the created or existing id for the name.

Throws:

IllegalArgumentException - if the given name is null