mirror of
https://github.com/Alfresco/alfresco-community-repo.git
synced 2025-08-07 17:49:17 +00:00
Merge DEV to HEAD
ContentDiskDriver rework. git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@29451 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
@@ -0,0 +1,188 @@
|
||||
/*
|
||||
* Copyright (C) 2005-2010 Alfresco Software Limited.
|
||||
*
|
||||
* This file is part of Alfresco
|
||||
*
|
||||
* Alfresco is free software: you can redistribute it and/or modify
|
||||
* it under the terms of the GNU Lesser General Public License as published by
|
||||
* the Free Software Foundation, either version 3 of the License, or
|
||||
* (at your option) any later version.
|
||||
*
|
||||
* Alfresco 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 Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
package org.alfresco.filesys.repo.rules;
|
||||
|
||||
import java.util.ArrayList;
|
||||
import java.util.Date;
|
||||
|
||||
import org.alfresco.filesys.repo.rules.ScenarioInstance.Ranking;
|
||||
import org.alfresco.filesys.repo.rules.commands.CompoundCommand;
|
||||
import org.alfresco.filesys.repo.rules.commands.CopyContentCommand;
|
||||
import org.alfresco.filesys.repo.rules.commands.DeleteFileCommand;
|
||||
import org.alfresco.filesys.repo.rules.commands.RenameFileCommand;
|
||||
import org.alfresco.filesys.repo.rules.operations.CreateFileOperation;
|
||||
import org.alfresco.filesys.repo.rules.operations.DeleteFileOperation;
|
||||
import org.alfresco.filesys.repo.rules.operations.RenameFileOperation;
|
||||
import org.alfresco.jlan.server.filesys.FileName;
|
||||
import org.apache.commons.logging.Log;
|
||||
import org.apache.commons.logging.LogFactory;
|
||||
|
||||
/**
|
||||
* A rename scenario is ...
|
||||
*
|
||||
* a) Rename File to File~
|
||||
* b) Create File
|
||||
* c) Delete File~
|
||||
*
|
||||
* This rule will kick in and copy the content and then switch the two file over.
|
||||
*
|
||||
*/
|
||||
class ScenarioRenameShuffleInstance implements ScenarioInstance
|
||||
{
|
||||
private static Log logger = LogFactory.getLog(ScenarioRenameShuffleInstance.class);
|
||||
|
||||
private Date startTime = new Date();
|
||||
|
||||
/**
|
||||
* Timeout in ms. Default 30 seconds.
|
||||
*/
|
||||
private long timeout = 30000;
|
||||
|
||||
private boolean isComplete = false;
|
||||
|
||||
private Ranking ranking = Ranking.HIGH;
|
||||
|
||||
enum InternalState
|
||||
{
|
||||
NONE,
|
||||
INITIALISED,
|
||||
LOOK_FOR_DELETE
|
||||
} ;
|
||||
|
||||
InternalState state = InternalState.NONE;
|
||||
|
||||
String from;
|
||||
String to;
|
||||
|
||||
/**
|
||||
* Evaluate the next operation
|
||||
* @param operation
|
||||
*/
|
||||
public Command evaluate(Operation operation)
|
||||
{
|
||||
/**
|
||||
* Anti-pattern : timeout
|
||||
*/
|
||||
Date now = new Date();
|
||||
if(now.getTime() > startTime.getTime() + getTimeout())
|
||||
{
|
||||
if(logger.isDebugEnabled())
|
||||
{
|
||||
logger.debug("Instance timed out");
|
||||
}
|
||||
}
|
||||
|
||||
switch (state)
|
||||
{
|
||||
case NONE:
|
||||
if(operation instanceof RenameFileOperation)
|
||||
{
|
||||
logger.debug("New scenario initialised");
|
||||
RenameFileOperation r = (RenameFileOperation)operation;
|
||||
this.from = r.getFrom();
|
||||
this.to = r.getTo();
|
||||
state = InternalState.INITIALISED;
|
||||
}
|
||||
break;
|
||||
|
||||
case INITIALISED:
|
||||
|
||||
if(operation instanceof CreateFileOperation)
|
||||
{
|
||||
CreateFileOperation c = (CreateFileOperation)operation;
|
||||
if(from.equals(c.getName()))
|
||||
{
|
||||
logger.debug("transition to LOOK_FOR_DELETE");
|
||||
|
||||
state = InternalState.LOOK_FOR_DELETE;
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case LOOK_FOR_DELETE:
|
||||
if(operation instanceof DeleteFileOperation)
|
||||
{
|
||||
DeleteFileOperation d = (DeleteFileOperation)operation;
|
||||
if(to.equals(d.getName()))
|
||||
{
|
||||
logger.debug("Rename shuffle complete - fire!");
|
||||
|
||||
String[] paths = FileName.splitPath(d.getPath());
|
||||
String oldFolder = paths[0];
|
||||
|
||||
/**
|
||||
* Shuffle is as follows
|
||||
* a) Copy content from File to File~
|
||||
* b) Delete File
|
||||
* c) Rename File~ to File
|
||||
*/
|
||||
ArrayList<Command> commands = new ArrayList<Command>();
|
||||
CopyContentCommand copyContent = new CopyContentCommand(from, to, d.getRootNodeRef(), oldFolder + "\\" + from, oldFolder + "\\" + to);
|
||||
RenameFileCommand r1 = new RenameFileCommand(to, from, d.getRootNodeRef(), oldFolder + "\\" + to, oldFolder + "\\" + from);
|
||||
DeleteFileCommand d1 = new DeleteFileCommand(from, d.getRootNodeRef(), oldFolder + "\\" + from);
|
||||
|
||||
commands.add(copyContent);
|
||||
commands.add(d1);
|
||||
commands.add(r1);
|
||||
|
||||
logger.debug("Scenario complete");
|
||||
isComplete = true;
|
||||
return new CompoundCommand(commands);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
@Override
|
||||
public boolean isComplete()
|
||||
{
|
||||
return isComplete;
|
||||
}
|
||||
|
||||
public String toString()
|
||||
{
|
||||
return "ScenarioRenameShuffleInstance from:" + from + " to:" + to;
|
||||
}
|
||||
|
||||
public void setTimeout(long timeout)
|
||||
{
|
||||
this.timeout = timeout;
|
||||
}
|
||||
|
||||
public long getTimeout()
|
||||
{
|
||||
return timeout;
|
||||
}
|
||||
|
||||
@Override
|
||||
public Ranking getRanking()
|
||||
{
|
||||
return ranking;
|
||||
}
|
||||
|
||||
public void setRanking(Ranking ranking)
|
||||
{
|
||||
this.ranking = ranking;
|
||||
}
|
||||
|
||||
}
|
||||
|
Reference in New Issue
Block a user