Derek Hulley 1fcdfc0a5d Part of MOB-436: Cluster-wide Locking Service: Implement DB Changes and Service
- Unit test not checked in as it requires some schema change work that has been done manually
 - Moved activities DAO code and renamed data services to DAOs (as per iBatis and Wikipedia, etc)
 - DAO code should now go into org.alfresco.repo.domain...
 - DAO components are bean:xyzDAO and class:XyzDAO
 - Entity beans are XyzEntity, etc

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@13922 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2009-04-09 15:27:19 +00:00

100 lines
2.9 KiB
Java

/*
* Copyright (C) 2005-2009 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.domain.locks;
import org.alfresco.service.namespace.QName;
/**
* Class to contain details regarding a lock. A lock is specific to a given
* qualified name. For any given lock, there may exist an <b>EXCLUSIVE</b>
* lock <u>or</u> several <b>SHARED</b> locks.
*
* @author Derek Hulley
* @since 3.2
*/
public class LockDetails
{
/**
* The type of lock
*
* @author Derek Hulley
* @since 3.2
*/
public enum LockType
{
/**
* A lock held by a specific transaction. No other (exclusive or shared) locks
* may be held for the same qualified name.
*/
EXCLUSIVE,
/**
* A lock that may be held by several transactions when no exclusive lock is held
* for the same qualified name.
*/
SHARED;
}
private final String txnId;
private final QName lockQName;
private final LockType lockType;
/**
*
* @param txnId the transaction holding the lock
* @param lockQName the qualified name of the lock
* @param lockType the type of lock
*/
public LockDetails(String txnId, QName lockQName, LockType lockType)
{
this.txnId = txnId;
this.lockQName = lockQName;
this.lockType = lockType;
}
/**
* @return Returns the transaction holding the lock
*/
public String getTxnId()
{
return txnId;
}
/**
* @return Returns the qualified name of the lock
*/
public QName getLockQName()
{
return lockQName;
}
/**
* @return Returns the lock type
*/
public LockType getLockType()
{
return lockType;
}
}