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Fixed permissions data access

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Some tweaks to select and joins


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2816 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Derek Hulley
2006-05-10 17:03:29 +00:00
parent 14b4890e6c
commit f559ae62ce
20 changed files with 518 additions and 370 deletions
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36
source/java/org/alfresco/repo/domain/hibernate/HibernateHelper.java
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@@ -16,8 +16,7 @@
*/
package org.alfresco.repo.domain.hibernate;
import org.hibernate.CacheMode;
import org.hibernate.ObjectDeletedException;
import org.alfresco.repo.domain.DbAccessControlEntry;
import org.hibernate.Query;
import org.hibernate.ScrollMode;
import org.hibernate.ScrollableResults;
@@ -32,36 +31,25 @@ public class HibernateHelper
{
/**
* Helper method to scroll through the results of a query and delete all the
* results, performing batch flushes. This will handle large resultsets by
* pulling the results directly in from the query. For certain circumstances, it
* may be better to perform a bulk delete directly instead.
* resulting access control entries, performing batch flushes.
*
* @param session the session to use for the deletions
* @param query the query with all parameters set
* @return Returns the number of entities deleted, regardless of type
* @param query the query with all parameters set and that will return
* {@link org.alfresco.repo.domain.DbAccessControlEntry access control entry} instances
* @return Returns the number of entries deleted
*/
public static int deleteQueryResults(Session session, Query query)
public static int deleteDbAccessControlEntries(Session session, Query query)
{
ScrollableResults entities = query.setCacheMode(CacheMode.IGNORE).scroll(ScrollMode.FORWARD_ONLY);
ScrollableResults entities = query.scroll(ScrollMode.FORWARD_ONLY);
int count = 0;
while (entities.next())
{
Object[] entityResults = entities.get();
for (Object object : entityResults)
DbAccessControlEntry entry = (DbAccessControlEntry) entities.get(0);
entry.delete();
if (++count % 50 == 0)
{
try
{
session.delete(object);
}
catch (ObjectDeletedException e)
{
// ignore - it's what we wanted
}
if (++count % 50 == 0)
{
session.flush();
session.clear();
}
session.flush();
session.clear();
}
}
return count;