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alfresco-community-repo/source/java/org/alfresco/repo/usage/UserUsageTrackingComponent.java

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/*
* Copyright (C) 2005-2007 Alfresco Software Limited.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* As a special exception to the terms and conditions of version 2.0 of
* the GPL, you may redistribute this Program in connection with Free/Libre
* and Open Source Software ("FLOSS") applications as described in Alfresco's
* FLOSS exception. You should have recieved a copy of the text describing
* the FLOSS exception, and it is also available here:
* http://www.alfresco.com/legal/licensing"
*/
package org.alfresco.repo.usage;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.alfresco.model.ContentModel;
import org.alfresco.repo.domain.Node;
import org.alfresco.repo.node.db.NodeDaoService;
import org.alfresco.repo.security.authentication.AuthenticationUtil;
import org.alfresco.repo.security.authentication.AuthenticationUtil.RunAsWork;
import org.alfresco.repo.tenant.Tenant;
import org.alfresco.repo.tenant.TenantDeployerService;
import org.alfresco.repo.transaction.RetryingTransactionHelper;
import org.alfresco.repo.transaction.TransactionServiceImpl;
import org.alfresco.repo.transaction.RetryingTransactionHelper.RetryingTransactionCallback;
import org.alfresco.service.cmr.repository.ContentData;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.NodeService;
import org.alfresco.service.cmr.repository.StoreRef;
import org.alfresco.service.cmr.security.PersonService;
import org.alfresco.service.cmr.usage.UsageService;
import org.alfresco.service.namespace.QName;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* User Usage Tracking Component - to allow user usages to be collapsed or re-calculated
*
* - used by UserUsageCollapseJob to collapse usage deltas.
* - used by UserUsageBootstrapJob to either clear all usages or (re-)calculate all missing usages.
*/
public class UserUsageTrackingComponent
{
private static Log logger = LogFactory.getLog(UserUsageTrackingComponent.class);
private static boolean busy = false;
private NodeDaoService nodeDaoService;
private TransactionServiceImpl transactionService;
private ContentUsageImpl contentUsageImpl;
private PersonService personService;
private NodeService nodeService;
private UsageService usageService;
private TenantDeployerService tenantDeployerService;
private boolean enabled = true;
public void setNodeDaoService(NodeDaoService nodeDaoService)
{
this.nodeDaoService = nodeDaoService;
}
public void setTransactionService(TransactionServiceImpl transactionService)
{
this.transactionService = transactionService;
}
public void setContentUsageImpl(ContentUsageImpl contentUsageImpl)
{
this.contentUsageImpl = contentUsageImpl;
}
public void setPersonService(PersonService personService)
{
this.personService = personService;
}
public void setNodeService(NodeService nodeService)
{
this.nodeService = nodeService;
}
public void setUsageService(UsageService usageService)
{
this.usageService = usageService;
}
public void setTenantDeployerService(TenantDeployerService tenantDeployerService)
{
this.tenantDeployerService = tenantDeployerService;
}
public void setEnabled(boolean enabled)
{
this.enabled = enabled;
}
public void execute()
{
if (enabled == true)
{
if (! busy)
{
try
{
busy = true;
// collapse usages - note: for MT environment, will collapse for all tenants
collapseUsages();
}
finally
{
busy = false;
}
}
}
}
// called once on startup
public void bootstrap()
{
// default domain
bootstrapInternal();
if (tenantDeployerService.isEnabled())
{
List<Tenant> tenants = tenantDeployerService.getAllTenants();
for (Tenant tenant : tenants)
{
AuthenticationUtil.runAs(new RunAsWork<Object>()
{
public Object doWork() throws Exception
{
bootstrapInternal();
return null;
}
}, tenantDeployerService.getDomainUser(AuthenticationUtil.getSystemUserName(), tenant.getTenantDomain()));
}
}
}
public void bootstrapInternal()
{
if (! busy)
{
try
{
busy = true;
if (enabled)
{
// enabled - calculate missing usages
calculateMissingUsages();
}
else
{
// disabled - remove all usages
clearAllUsages();
}
}
finally
{
busy = false;
}
}
}
public void clearAllUsages()
{
if (logger.isDebugEnabled())
{
logger.debug("Disabled - clear usages for all users ...");
}
RetryingTransactionHelper txnHelper = transactionService.getRetryingTransactionHelper();
// wrap to make the request in a transaction
RetryingTransactionCallback<Integer> clearAllUsages = new RetryingTransactionCallback<Integer>()
{
public Integer execute() throws Throwable
{
Set<NodeRef> allPeople = personService.getAllPeople();
for (NodeRef personNodeRef : allPeople)
{
nodeService.setProperty(personNodeRef, ContentModel.PROP_SIZE_CURRENT, null);
usageService.deleteDeltas(personNodeRef);
}
return allPeople.size();
}
};
// execute in txn
int count = txnHelper.doInTransaction(clearAllUsages, false);
if (logger.isDebugEnabled())
{
logger.debug("... cleared usages for " + count + " users");
}
}
public void calculateMissingUsages()
{
if (logger.isDebugEnabled())
{
logger.debug("Enabled - calculate missing usages ...");
}
RetryingTransactionHelper txnHelper = transactionService.getRetryingTransactionHelper();
// wrap to make the request in a transaction
RetryingTransactionCallback<Set<String>> getAllPeople = new RetryingTransactionCallback<Set<String>>()
{
public Set<String> execute() throws Throwable
{
Set<NodeRef> allPeople = personService.getAllPeople();
Set<String> userNames = new HashSet<String>();
for (NodeRef personNodeRef : allPeople)
{
Long currentUsage = (Long)nodeService.getProperty(personNodeRef, ContentModel.PROP_SIZE_CURRENT);
if (currentUsage == null)
{
String userName = (String)nodeService.getProperty(personNodeRef, ContentModel.PROP_USERNAME);
userNames.add(userName);
}
}
return userNames;
}
};
// execute in READ-ONLY txn
final Set<String> userNames = txnHelper.doInTransaction(getAllPeople, true);
for (String userName : userNames)
{
recalculateUsage(userName);
}
if (logger.isDebugEnabled())
{
logger.debug("... calculated missing usages for " + userNames.size() + " users");
}
}
/**
* Recalculate content usage for given user. Required if upgrading an existing Alfresco, for users that
* have not had their initial usage calculated. In a future release, could also be called explicitly by
* a SysAdmin, eg. via a JMX operation.
*
* @param userName
*/
public void recalculateUsage(final String userName)
{
final RetryingTransactionHelper txnHelper = transactionService.getRetryingTransactionHelper();
// wrap to make the request in a transaction
RetryingTransactionCallback<Long> calculatePersonCurrentUsage = new RetryingTransactionCallback<Long>()
{
public Long execute() throws Throwable
{
List<String> stores = contentUsageImpl.getStores();
long totalUsage = 0;
for (String store : stores)
{
StoreRef storeRef = new StoreRef(store);
// get nodes for which user is owner
Collection<Node> ownerNodes = nodeDaoService.getNodesWithPropertyStringValueForStore(storeRef, ContentModel.PROP_OWNER, userName);
for (Node ownerNode : ownerNodes)
{
if (ownerNode.getTypeQName().equals(ContentModel.TYPE_CONTENT))
{
ContentData contentData = ContentData.createContentProperty(ownerNode.getProperties().get(ContentModel.PROP_CONTENT).getStringValue());
totalUsage = totalUsage + contentData.getSize();
}
}
// get nodes for which user is creator, and then filter out those that have an owner
Collection<Node> creatorNodes = nodeDaoService.getNodesWithPropertyStringValueForStore(storeRef, ContentModel.PROP_CREATOR, userName);
for (Node creatorNode : creatorNodes)
{
if (creatorNode.getTypeQName().equals(ContentModel.TYPE_CONTENT) &&
creatorNode.getProperties().get(ContentModel.PROP_OWNER) == null)
{
ContentData contentData = ContentData.createContentProperty(creatorNode.getProperties().get(ContentModel.PROP_CONTENT).getStringValue());
totalUsage = totalUsage + contentData.getSize();
}
}
if (logger.isDebugEnabled())
{
long quotaSize = contentUsageImpl.getUserQuota(userName);
logger.debug("Recalc usage ("+ userName+") totalUsage="+totalUsage+", quota="+quotaSize);
}
}
return totalUsage;
}
};
// execute in READ-ONLY txn
final Long currentUsage = txnHelper.doInTransaction(calculatePersonCurrentUsage, true);
// wrap to make the request in a transaction
RetryingTransactionCallback<Object> updatePersonCurrentUsage = new RetryingTransactionCallback<Object>()
{
public Object execute() throws Throwable
{
NodeRef personNodeRef = personService.getPerson(userName);
contentUsageImpl.setUserStoredUsage(personNodeRef, currentUsage);
usageService.deleteDeltas(personNodeRef);
return null;
}
};
// execute in txn
txnHelper.doInTransaction(updatePersonCurrentUsage, false);
}
/**
* Collapse usages - note: for MT environment, will collapse all tenants
*/
private void collapseUsages()
{
// Collapse usage deltas (if a person has initial usage set)
final RetryingTransactionHelper txnHelper = transactionService.getRetryingTransactionHelper();
// wrap to make the request in a transaction
RetryingTransactionCallback<Object> collapseUsages = new RetryingTransactionCallback<Object>()
{
public Object execute() throws Throwable
{
// Get distinct candidates
Set<NodeRef> usageNodeRefs = usageService.getUsageDeltaNodes();
for(final NodeRef usageNodeRef : usageNodeRefs)
{
AuthenticationUtil.runAs(new RunAsWork<Object>()
{
public Object doWork() throws Exception
{
QName nodeType = nodeService.getType(usageNodeRef);
if (nodeType.equals(ContentModel.TYPE_PERSON))
{
NodeRef personNodeRef = usageNodeRef;
String userName = (String)nodeService.getProperty(personNodeRef, ContentModel.PROP_USERNAME);
long currentUsage = contentUsageImpl.getUserStoredUsage(personNodeRef);
if (currentUsage != -1)
{
// collapse the usage deltas
currentUsage = contentUsageImpl.getUserUsage(userName);
usageService.deleteDeltas(personNodeRef);
contentUsageImpl.setUserStoredUsage(personNodeRef, currentUsage);
if (logger.isDebugEnabled())
{
logger.debug("Collapsed usage: username=" + userName + ", usage=" + currentUsage);
}
}
else
{
if (logger.isWarnEnabled())
{
logger.warn("Initial usage for user has not yet been calculated: " + userName);
}
}
}
return null;
}
}, tenantDeployerService.getDomainUser(AuthenticationUtil.getSystemUserName(), tenantDeployerService.getDomain(usageNodeRef.getStoreRef().getIdentifier())));
}
return null;
}
};
// execute in txn
txnHelper.doInTransaction(collapseUsages, false);
}
}
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