mirror of
https://github.com/Alfresco/alfresco-community-repo.git
synced 2025-08-14 17:58:59 +00:00
ac506b2b31
76994: Merged PLATFORM1 (5.0/Cloud) to HEAD-BUG-FIX (5.0/Cloud)
70127: MNT-9882 - refactoring of caches
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@77833 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
96 lines
3.6 KiB
Java
96 lines
3.6 KiB
Java
/*
|
|
* Copyright (C) 2005-2013 Alfresco Software Limited.
|
|
*
|
|
* This file is part of Alfresco
|
|
*
|
|
* Alfresco is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Alfresco is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
package org.alfresco.repo.web.scripts;
|
|
|
|
import org.alfresco.repo.cache.AbstractMTAsynchronouslyRefreshedCache;
|
|
import org.alfresco.repo.transaction.RetryingTransactionHelper;
|
|
import org.alfresco.repo.transaction.RetryingTransactionHelper.RetryingTransactionCallback;
|
|
import org.alfresco.util.PropertyCheck;
|
|
import org.apache.commons.logging.Log;
|
|
import org.apache.commons.logging.LogFactory;
|
|
import org.springframework.beans.factory.InitializingBean;
|
|
import org.springframework.beans.factory.ObjectFactory;
|
|
import org.springframework.extensions.webscripts.Registry;
|
|
|
|
/**
|
|
* Asynchronously refreshed cache for repository webscripts.
|
|
* <p/>
|
|
* This does not stop gratuitous calls to <i>refresh</i> but will ensure that, once an instance has been created,
|
|
* a version of the registry is returned even if it is slighly out of date. This can be changed so that it waits
|
|
* for reset but is probably not required.
|
|
*
|
|
* @author Derek Hulley
|
|
* @since 4.2.0
|
|
*/
|
|
public class RegistryAsynchronouslyRefreshedCache extends AbstractMTAsynchronouslyRefreshedCache<Registry> implements InitializingBean
|
|
{
|
|
private static Log logger = LogFactory.getLog(RegistryAsynchronouslyRefreshedCache.class);
|
|
|
|
private ObjectFactory<Registry> registryFactory;
|
|
private RetryingTransactionHelper retryingTransactionHelper;
|
|
|
|
/**
|
|
* @param registryFactory factory for web script registries
|
|
*/
|
|
public void setRegistryFactory(ObjectFactory<Registry> registryFactory)
|
|
{
|
|
this.registryFactory = registryFactory;
|
|
}
|
|
|
|
/**
|
|
* @param retryingTransactionHelper the retryingTransactionHelper to set
|
|
*/
|
|
public void setRetryingTransactionHelper(RetryingTransactionHelper retryingTransactionHelper)
|
|
{
|
|
this.retryingTransactionHelper = retryingTransactionHelper;
|
|
}
|
|
|
|
@Override
|
|
protected Registry buildCache(final String tenantId)
|
|
{
|
|
return retryingTransactionHelper.doInTransaction(new RetryingTransactionCallback<Registry>()
|
|
{
|
|
@Override
|
|
public Registry execute() throws Throwable
|
|
{
|
|
return doBuildCache(tenantId);
|
|
}
|
|
}, true, false);
|
|
}
|
|
|
|
/**
|
|
* This method is thread safe as per contract of {@link #buildCache(String)}.
|
|
*/
|
|
private Registry doBuildCache(String tenantId)
|
|
{
|
|
Registry registry = registryFactory.getObject();
|
|
registry.reset();
|
|
logger.info("Fetching web script registry for tenant " + tenantId);
|
|
return registry;
|
|
}
|
|
|
|
@Override
|
|
public void afterPropertiesSet() throws Exception
|
|
{
|
|
PropertyCheck.mandatory(this, "registryFactory", registryFactory);
|
|
PropertyCheck.mandatory(this, "retryingTransactionHelper", retryingTransactionHelper);
|
|
super.afterPropertiesSet();
|
|
}
|
|
}
|