Derek Hulley 0c10d61a48 Merged V2.0 to HEAD
svn merge svn://svn.alfresco.com:3691/alfresco/BRANCHES/V2.0@5141 svn://svn.alfresco.com:3691/alfresco/BRANCHES/V2.0@51352 .
      - FLOSS
      - Some files will need a follow-up
         -root/projects/repository/source/java/org/alfresco/repo/avm/wf/AVMRemoveWFStoreHandler.java (not yet on HEAD: 5094)
         -root/projects/repository/source/java/org/alfresco/filesys/server/state/FileStateLockManager.java (not yet on HEAD: 5093)
         -onContentUpdateRecord (not on HEAD)


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5167 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
2007-02-16 06:44:46 +00:00

105 lines
2.9 KiB
Java

/*
* Copyright (C) 2006 Alfresco, Inc.
*
* 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.avm;
import org.alfresco.repo.transaction.TransactionUtil;
import org.alfresco.service.transaction.TransactionService;
/**
* This is a helper class that knows how to issue identifiers.
* @author britt
*/
public class Issuer
{
/**
* The next number to issue.
*/
private long fNext;
/**
* The name of this issuer.
*/
private String fName;
/**
* The transaction service.
*/
private TransactionService fTransactionService;
/**
* Default constructor.
*/
public Issuer()
{
}
/**
* Set the name of this issuer. For Spring.
* @param name The name to set.
*/
public void setName(String name)
{
fName = name;
}
public void setTransactionService(TransactionService transactionService)
{
fTransactionService = transactionService;
}
/**
* After the database is up, get our value.
*/
public void initialize()
{
class TxnWork implements TransactionUtil.TransactionWork<Long>
{
public Long doWork() throws Exception
{
return AVMDAOs.Instance().fIssuerDAO.getIssuerValue(fName);
}
}
Long result = TransactionUtil.executeInUserTransaction(fTransactionService,
new TxnWork(),
true);
if (result == null)
{
fNext = 0L;
}
else
{
fNext = result + 1L;
}
}
/**
* Issue the next number.
* @return A serial number.
*/
public synchronized long issue()
{
return fNext++;
}
}