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Build fix - missing dependancy for previous build fix from DM ACL merge performance teaks

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git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@9058 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Andrew Hind
2008-05-09 14:27:41 +00:00
parent c45a758341
commit 0146f54e0f
1 changed files with 54 additions and 2 deletions
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56
source/java/org/alfresco/repo/security/permissions/impl/SimplePermissionReference.java
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@@ -24,6 +24,10 @@
*/
package org.alfresco.repo.security.permissions.impl;
import java.util.HashMap;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import org.alfresco.service.namespace.QName;
/**
@@ -32,12 +36,60 @@ import org.alfresco.service.namespace.QName;
* @author andyh
*/
public final class SimplePermissionReference extends AbstractPermissionReference
{
{
/**
*
*/
private static final long serialVersionUID = 637302438293417818L;
private static ReadWriteLock lock = new ReentrantReadWriteLock();
private static HashMap<QName, HashMap<String, SimplePermissionReference>> instances = new HashMap<QName, HashMap<String, SimplePermissionReference>>();
public static SimplePermissionReference getPermissionReference(QName qName, String name)
{
lock.readLock().lock();
try
{
HashMap<String, SimplePermissionReference> typed = instances.get(qName);
if(typed != null)
{
SimplePermissionReference instance = typed.get(name);
if(instance != null)
{
return instance;
}
}
}
finally
{
lock.readLock().unlock();
}
lock.writeLock().lock();
try
{
HashMap<String, SimplePermissionReference> typed = instances.get(qName);
if(typed == null)
{
typed = new HashMap<String, SimplePermissionReference>();
instances.put(qName, typed);
}
SimplePermissionReference instance = typed.get(name);
if(instance == null)
{
instance = new SimplePermissionReference(qName, name);
typed.put(name, instance);
}
return instance;
}
finally
{
lock.writeLock().unlock();
}
}
/*
* The type
*/
@@ -49,7 +101,7 @@ public final class SimplePermissionReference extends AbstractPermissionReference
private String name;
public SimplePermissionReference(QName qName, String name)
protected SimplePermissionReference(QName qName, String name)
{
super();
this.qName = qName;