com.atlassian.jira.cache

Class ZduCacheMigrationHelper

java.lang.Object

com.atlassian.jira.cache.ZduCacheMigrationHelper

public final class ZduCacheMigrationHelper
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ZduCacheMigrationHelper.JiraVersion

Constructor Summary

Constructors

Constructor and Description
ZduCacheMigrationHelper()

Method Summary

Modifier and Type	Method and Description
static <T> com.atlassian.cache.CachedReference<T>	migrate(com.atlassian.cache.CacheFactory cacheManager, String oldCacheName, ZduCacheMigrationHelper.JiraVersion version, com.atlassian.cache.CachedReference<T> newCache) This method should be used when you split/rename a cache and need to maintain cache consistency in a mixed-version ZDU environment.

Methods inherited from class java.lang.Object

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

Constructor Detail

ZduCacheMigrationHelper

public ZduCacheMigrationHelper()

Method Detail

migrate

public static <T> com.atlassian.cache.CachedReference<T> migrate(com.atlassian.cache.CacheFactory cacheManager,
                                                                 String oldCacheName,
                                                                 ZduCacheMigrationHelper.JiraVersion version,
                                                                 com.atlassian.cache.CachedReference<T> newCache)

This method should be used when you split/rename a cache and need to maintain cache consistency in a mixed-version ZDU environment. It will propagate cache invalidation calls from a cache in old version to the new split caches.

Parameters:

cacheManager - cache manager bean

version - the last version of Jira that requires this cache handler

oldCacheName - the old cache

newCache - the new cache