@Override
public ScenarioInstance createInstance(final EvaluatorContext ctx, Operation operation) {
/** This scenario is triggered by a delete of a file matching the pattern */
if (operation instanceof DeleteFileOperation) {
DeleteFileOperation c = (DeleteFileOperation) operation;
Matcher m = pattern.matcher(c.getName());
if (m.matches()) {
if (logger.isDebugEnabled()) {
logger.debug("New Scenario Delete Restore Shuffle Instance:" + c.getName());
}
ScenarioDeleteRestoreInstance instance = new ScenarioDeleteRestoreInstance();
instance.setTimeout(timeout);
instance.setRanking(ranking);
return instance;
}
}
// No not interested.
return null;
}
/**
* 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");
}
isComplete = true;
return null;
}
switch (internalState) {
case NONE:
if (operation instanceof RenameFileOperation) {
RenameFileOperation r = (RenameFileOperation) operation;
fileMiddle = r.getFrom();
fileEnd = r.getTo();
String[] paths = FileName.splitPath(r.getFromPath());
folderMiddle = paths[0];
String[] paths2 = FileName.splitPath(r.getToPath());
folderEnd = paths2[0];
internalState = InternalState.DELETE;
} else {
// anything else bomb out
if (logger.isDebugEnabled()) {
logger.debug("State error, expected a RENAME");
}
isComplete = true;
}
case DELETE:
if (operation instanceof DeleteFileOperation) {
internalState = InternalState.MOVE;
DeleteFileOperation d = (DeleteFileOperation) operation;
if (d.getName().equalsIgnoreCase(fileEnd)) {
ArrayList<Command> commands = new ArrayList<Command>();
ArrayList<Command> postCommitCommands = new ArrayList<Command>();
ArrayList<Command> postErrorCommands = new ArrayList<Command>();
// Rename node to remove "hidden". In this case node will be moved to the archive store
// and can be restored later.
// This can be replaced with command that removes hidden aspect in future(when
// ContentDiskDriver2.setFileInformation() method will support hidden attribute)
RenameFileCommand r1 =
new RenameFileCommand(
fileEnd,
"tmp" + fileEnd,
d.getRootNodeRef(),
folderEnd + "\\" + fileEnd,
folderEnd + "\\" + "tmp" + fileEnd);
fileEnd = "tmp" + fileEnd;
commands.add(r1);
commands.add(
new DeleteFileCommand(fileEnd, d.getRootNodeRef(), folderEnd + "\\" + fileEnd));
postCommitCommands.add(newDeleteFileCallbackCommand());
return new CompoundCommand(commands, postCommitCommands, postErrorCommands);
}
}
if (operation instanceof CloseFileOperation) {
CloseFileOperation c = (CloseFileOperation) operation;
if (c.getNetworkFile().hasDeleteOnClose() && c.getName().equalsIgnoreCase(fileEnd)) {
internalState = InternalState.MOVE;
ArrayList<Command> commands = new ArrayList<Command>();
ArrayList<Command> postCommitCommands = new ArrayList<Command>();
ArrayList<Command> postErrorCommands = new ArrayList<Command>();
// Rename node to remove "hidden". In this case node will be moved to the archive store
// and can be restored later.
RenameFileCommand r1 =
new RenameFileCommand(
fileEnd,
"tmp" + fileEnd,
c.getRootNodeRef(),
folderEnd + "\\" + fileEnd,
folderEnd + "\\" + "tmp" + fileEnd);
fileEnd = "tmp" + fileEnd;
commands.add(r1);
commands.add(
new CloseFileCommand(
fileEnd, c.getNetworkFile(), c.getRootNodeRef(), folderEnd + "\\" + fileEnd));
postCommitCommands.add(newDeleteFileCallbackCommand());
return new CompoundCommand(commands, postCommitCommands, postErrorCommands);
}
}
break;
case MOVE:
if (operation instanceof MoveFileOperation && originalNodeRef != null) {
if (logger.isDebugEnabled()) {
logger.info("Tracking rename: " + operation);
}
MoveFileOperation m = (MoveFileOperation) operation;
if (fileMiddle.equalsIgnoreCase(m.getTo())) {
if (logger.isDebugEnabled()) {
logger.debug("Got second rename");
}
fileFrom = m.getFrom();
String[] paths = FileName.splitPath(m.getFromPath());
String oldFolder = paths[0];
ArrayList<Command> commands = new ArrayList<Command>();
RestoreFileCommand rest1 =
new RestoreFileCommand(fileEnd, m.getRootNodeRef(), folderEnd, 0, originalNodeRef);
RenameFileCommand r1 =
new RenameFileCommand(
fileEnd,
fileMiddle,
m.getRootNodeRef(),
folderEnd + "\\" + fileEnd,
folderMiddle + "\\" + fileMiddle);
commands.add(rest1);
commands.add(r1);
CopyContentCommand copyContent =
new CopyContentCommand(
fileFrom,
fileMiddle,
m.getRootNodeRef(),
oldFolder + "\\" + fileFrom,
folderMiddle + "\\" + fileMiddle);
commands.add(copyContent);
DeleteFileCommand d1 =
new DeleteFileCommand(oldFolder, m.getRootNodeRef(), oldFolder + "\\" + fileFrom);
commands.add(d1);
isComplete = true;
return new CompoundCommand(commands);
}
}
break;
}
return null;
}
