/// <summary>
/// Tags a folder path to a tag with name same as the tag name that is passed as parameter
/// </summary>
/// <param name="path">The string value that represents the path of the folder to be tagged</param>
/// <param name="tagname">The string value that represents the name of the tag the folder path is
/// to be tagged to</param>
/// <returns>the tag where the folder path is tagged to</returns>
/// <exception cref="PathAlreadyExistsException">thrown if the folder path that is passed as
/// parameter is already tagged to the tag</exception>
/// <exception cref="RecursiveDirectoryException">thrown if the folder path that is passed as
/// parameter is a parent path or a child path of another path that is already tagged to
/// the tag</exception>
public Tag TagFolder(string path, string tagname)
{
CurrentTime current = new CurrentTime();
Tag toTag = FindTag(tagname);
if (toTag == null)
{
Tag tag = new Tag(tagname, current.CurrentTimeLong);
tag.AddPath(path, current.CurrentTimeLong);
lock (TagList)
{
_tagList.Add(tag);
}
_lastUpdatedDate = current.CurrentTimeLong;
return tag;
}
else
{
if (toTag.IsDeleted)
{
lock (TagList)
{
_tagList.Remove(toTag);
}
Tag tag = new Tag(tagname, current.CurrentTimeLong);
tag.AddPath(path, current.CurrentTimeLong);
lock (TagList)
{
_tagList.Add(tag);
}
_lastUpdatedDate = current.CurrentTimeLong;
return tag;
}
else
{
if (toTag.Contains(path))
{
throw new PathAlreadyExistsException(path);
}
else if (TaggingHelper.CheckRecursiveDirectory(toTag, path))
{
throw new RecursiveDirectoryException(path, tagname);
}
else
{
toTag.AddPath(path, current.CurrentTimeLong);
_lastUpdatedDate = current.CurrentTimeLong;
return toTag;
}
}
}
}
private void DeleteTagClean(Tag t)
{
//For each path in the path, convert it to physical path and if it exist, Clean the meta data.
foreach (TaggedPath path in t.UnfilteredPathList)
{
string convertedPath = ProfilingLayer.Instance.ConvertLogicalToPhysical(path.PathName);
if (Directory.Exists(convertedPath))
{
CleanMetaData(new DirectoryInfo(convertedPath));
}
}
}
/// <summary>
/// Add a Tag ( Notify from Merging )
/// </summary>
/// <param name="tag">Tag that was added</param>
internal void AddTag(Tag tag)
{
//if tag is deleted, nothing needs to be done.
if (tag.IsDeleted)
{
return;
}
//If the tag is seamless, re-set the mode to seamless
if (tag.IsSeamless)
{
SwitchMode(tag.TagName, TagMode.Manual);
SwitchMode(tag.TagName, TagMode.Seamless);
}
else //set the mode to manual
{
SwitchMode(tag.TagName, TagMode.Manual);
}
}
private bool ManualSync(Tag tag, bool switchSeamless)
{
//Try and cleanup the deletepaths first before syncing.
//This is the find all the folder that is deleted but still tagged.
//This will ensure that if the folder does not exist, no files will be propagated over.
FindAndCleanDeletedPaths();
//If the Tag is already synchronzing or is already queued , return false.
if (CompareAndSyncController.Instance.IsQueuedOrSyncing(tag.TagName))
{
return false;
}
//Retrieve the list of paths that are not deleted.
List<string> paths = tag.FilteredPathListString;
//Convert the path to physical address.
List<string>[] filterPaths = ProfilingLayer.Instance.ConvertAndFilter(paths);
//If the number of path is less than 2, does not sync and return a true
//If switch Seamless is true , set the mode of the tag to seamless.
if (filterPaths[0].Count < 2)
{
if (switchSeamless)
{
SetTagMode(tag, true);
}
return true;
}
//Create the manual Sync request and send it to CompareAndSyncController.
ManualSyncRequest syncRequest = new ManualSyncRequest(filterPaths[0].ToArray(), tag.Filters, SyncConfig.Copy, tag.TagName, switchSeamless);
CompareAndSyncController.Instance.Sync(syncRequest);
return true;
}
/// <summary>
/// Switch the tag to the mode. Do the respective work.
/// </summary>
/// <param name="tag">Tag to switch</param>
/// <param name="mode">true for seamless, false for manual</param>
private void SwitchMonitorTag(Tag tag, bool mode)
{
// If the tag is deleted or the tag is queued or syncing, cannot switch.
if (tag.IsDeleted || CompareAndSyncController.Instance.IsQueuedOrSyncing(tag.TagName))
{
return;
}
//Try to get the state of the tag.
TagState state;
_switchingTable.TryGetValue(tag.TagName, out state);
//If the state is undefined, switch the state and add it to the switching table.
if (state == TagState.Undefined)
{
_switchingTable.Add(tag.TagName, mode ? TagState.ManualToSeamless : TagState.SeamlessToManual);
}
//call the internal method.
if (mode)
{
StartMonitorTag(tag);
}
else
{
SetTagMode(tag, false);
}
}
/// <summary>
/// Determines whether the logical ID exists in any tagged path in the tag that is passed as parameter
/// </summary>
/// <param name="tag">The <see cref="Tag"/> object that represents the tag to be checked</param>
/// <param name="ID">The string value that represents the logical ID</param>
/// <returns>true if the logical ID exists in any tagged path in the tag; otherwise, false</returns>
private bool CheckID(Tag tag, string ID)
{
foreach (TaggedPath path in tag.FilteredPathList)
{
if (path.LogicalDriveId.Equals(ID))
{
return true;
}
}
return false;
}
private void AddTag(Tag tag)
{
_taglist.Add(tag);
}
/// <summary>
/// Creates a tag Xml element from the tag that is passed as parameter
/// </summary>
/// <param name="xmlDoc">The Xmldocument object that represents the Xml document that the
/// Xml element to be created belongs to</param>
/// <param name="tag">The <see cref="Tag">Tag</see> object that
/// represents the tag to be used to create the Xml element</param>
/// <returns>the tag Xml element that is created</returns>
private static XmlElement CreateTagElement(XmlDocument xmlDoc, Tag tag)
{
XmlElement tagElement = xmlDoc.CreateElement(ELE_TAG_ROOT);
tagElement.SetAttribute(ATTR_TAG_NAME, tag.TagName);
tagElement.SetAttribute(ATTR_TAG_CREATEDDATE, tag.CreatedDate.ToString());
tagElement.SetAttribute(ATTR_TAG_LASTUPDATEDDATE, tag.LastUpdatedDate.ToString());
tagElement.SetAttribute(ATTR_TAG_ISDELETED, tag.IsDeleted.ToString());
tagElement.SetAttribute(ATTR_TAG_DELETEDDATE, tag.DeletedDate.ToString());
tagElement.AppendChild(CreateFoldersElement(xmlDoc, tag));
tagElement.AppendChild(CreateFilterElementList(xmlDoc, tag));
tagElement.AppendChild(CreateConfigElement(xmlDoc, tag));
return tagElement;
}
/// <summary>
/// Creates a folder list Xml element from the tag that is passed as parameter
/// </summary>
/// <param name="xmlDoc">The Xmldocument object that represents the Xml document that the
/// Xml element to be created belongs to</param>
/// <param name="tag">The <see cref="Tag">Tag</see> object that
/// represents the tag to be used to create the Xml element</param>
/// <returns>the folder list Xml element that is created</returns>
private static XmlElement CreateFoldersElement(XmlDocument xmlDoc, Tag tag)
{
List<TaggedPath> pathList = tag.UnfilteredPathList;
XmlElement foldersElement = xmlDoc.CreateElement(ELE_FOLDER_ROOT);
foreach (TaggedPath path in pathList)
{
XmlElement taggedFolderElement = CreateTaggedFolderElement(xmlDoc, path);
foldersElement.AppendChild(taggedFolderElement);
}
return foldersElement;
}
/// <summary>
/// Creates a tag removed notification
/// </summary>
/// <param name="tag">The <see cref="Tag">Tag</see> object that represents the tag that is
/// removed</param>
/// <returns>the <see cref="RemoveTagNotification">RemoveTagNotification</see> object</returns>
public static AbstractNotification CreateRemoveTagNotification(Tag tag)
{
return new RemoveTagNotification(tag);
}
/// <summary>
/// Creates a tag from the Xml element that is passed as parameter
/// </summary>
/// <param name="tagElement">The XmlElement object that represents the Xml element that is to
/// be used to create the tag</param>
/// <returns>the tag that is created if there is no FormatException thrown or the attributes
/// of tag are not null; otherwise, null</returns>
private static Tag CreateTagFromXml(XmlElement tagElement)
{
try
{
string tagname = tagElement.GetAttribute(ATTR_TAG_NAME);
if (tagname.Equals(string.Empty))
{
return null;
}
long created = long.Parse(tagElement.GetAttribute(ATTR_TAG_CREATEDDATE));
long lastupdated = long.Parse(tagElement.GetAttribute(ATTR_TAG_LASTUPDATEDDATE));
bool isdeleted = bool.Parse(tagElement.GetAttribute(ATTR_TAG_ISDELETED));
long deleteddate = long.Parse(tagElement.GetAttribute(ATTR_TAG_DELETEDDATE));
Tag tag = new Tag(tagname, created);
tag.LastUpdatedDate = lastupdated;
tag.IsDeleted = isdeleted;
tag.DeletedDate = deleteddate;
XmlNodeList tagChildren = tagElement.ChildNodes;
foreach (XmlElement tagChild in tagChildren)
{
if (tagChild.Name.Equals(ELE_FOLDER_ROOT))
{
List<TaggedPath> pathList = CreateFolders(tagChild);
if (pathList == null)
{
return null;
}
else
{
tag.FilteredPathList = pathList;
}
}
else if (tagChild.Name.Equals(ELE_FILTER_ROOT))
{
List<Filter> filterList = LoadFilterList(tagChild);
if (filterList == null)
{
return null;
}
else
{
tag.Filters = filterList;
try
{
tag.FiltersUpdatedDate = long.Parse(tagChild.GetAttribute(ATTR_FILTER_LASTUPDATEDDATE));
}
catch (FormatException)
{
return null;
}
}
}
else if (tagChild.Name.Equals(ELE_CONFIG_ROOT))
{
TagConfig tagConfig = CreateTagConfig(tagChild);
if (tagConfig == null)
{
return null;
}
else
{
tag.Config = tagConfig;
}
}
}
return tag;
}
catch (FormatException)
{
return null;
}
catch (XmlException)
{
return null;
}
}
/// <summary>
/// Creates a monitor path notification
/// </summary>
/// <param name="tag">The <see cref="Tag">Tag</see> object that represents the tag</param>
/// <param name="path">The string value that represents the path that is monitored</param>
/// <returns>the <see cref="MonitorPathNotification">MonitorPathNotification</see> object</returns>
public static AbstractNotification CreateMonitorPathNotification(Tag tag, TaggedPath path)
{
return new MonitorPathNotification(tag, path);
}
/// <summary>
/// Creates a tag added notification
/// </summary>
/// <param name="tag">The <see cref="Tag">Tag</see> object that represents the tag that is added</param>
/// <returns>the <see cref="AddTagNotification">AddTagNotification</see> object</returns>
public static AbstractNotification CreateAddTagNotification(Tag tag)
{
return new AddTagNotification(tag);
}
/// <summary>
/// Initalize the MonitorPathNotificaiton
/// </summary>
/// <param name="tag">The target <see cref="Tag"/></param>
/// <param name="path">The target <see cref="TaggedPath"/></param>
public MonitorPathNotification(Tag tag, TaggedPath path):base("Monitor Path Notification" , Syncless.Notification.NotificationCode.MonitorPathNotification)
{
TargetTag = tag;
TargetPath = path;
}
/// <summary>
/// Gets the tag with name that is same as the tag name that is passed as parameter
/// </summary>
/// <param name="tagname">The string value that represents the tag name of the tag
/// to be retrieved</param>
/// <param name="create">The boolean value that indicates whether to create the tag if
/// it does not exist</param>
/// <param name="getdeleted">The boolean value that indicates whether to retrieve tag
/// which is set as deleted</param>
/// <param name="lastupdated">The long value that represents the current date time to be
/// assigned to the tag if it is newly created</param>
/// <returns>the tag if it is found or created; otherwise, null</returns>
private Tag RetrieveTag(string tagname, bool create, bool getdeleted, long lastupdated)
{
Tag tag = GetTag(tagname);
if (tag != null)
{
if (tag.IsDeleted)
{
if (getdeleted)
{
return tag;
}
else
{
return null;
}
}
else
{
return tag;
}
}
else
{
if (create)
{
tag = new Tag(tagname, lastupdated);
}
return tag;
}
}
/// <summary>
/// Creates a filter list Xml element from the tag that is passed as parameter
/// </summary>
/// <param name="xmlDoc">The Xmldocument object that represents the Xml document that the
/// Xml element to be created belongs to</param>
/// <param name="tag">The <see cref="Tag">Tag</see> object that
/// represents the tag to be used to create the Xml element</param>
/// <returns>the filter list Xml element that is created</returns>
private static XmlElement CreateFilterElementList(XmlDocument xmlDoc, Tag tag)
{
List<Filter> filters = tag.Filters;
XmlElement filterRoot = xmlDoc.CreateElement(ELE_FILTER_ROOT);
filterRoot.SetAttribute(ATTR_FILTER_LASTUPDATEDDATE, tag.FiltersUpdatedDate.ToString());
foreach (Filter f in filters)
{
XmlElement filterEle = CreateFilterElement(xmlDoc, f);
filterRoot.AppendChild(filterEle);
}
return filterRoot;
}
/// <summary>
/// Gets the tag with name that is same as the tag name that is passed as parameter
/// </summary>
/// <param name="tagname">The string value that represents the tag name of the tag
/// to be retrieved</param>
/// <param name="create">The boolean value that indicates whether to create the tag if
/// it does not exist</param>
/// <param name="lastupdated">The long value that represents the current date time to be
/// assigned to the tag if it is newly created</param>
/// <returns>the tag if it is found or created; otherwise, null</returns>
private Tag RetrieveTag(string tagname, bool create, long lastupdated)
{
Tag tag = GetTag(tagname);
if (tag == null)
{
if (create)
{
tag = new Tag(tagname, lastupdated);
}
}
return tag;
}
/// <summary>
/// Creates a tag config Xml element from the tag that is passed as parameter
/// </summary>
/// <param name="xmlDoc">The Xmldocument object that represents the Xml document that the
/// Xml element to be created belongs to</param>
/// <param name="tag">The <see cref="Tag">Tag</see> object that
/// represents the tag to be used to create the Xml element</param>
/// <returns>the tag config Xml element that is created</returns>
private static XmlElement CreateConfigElement(XmlDocument xmlDoc, Tag tag)
{
TagConfig config = tag.Config;
XmlElement configElement = xmlDoc.CreateElement(ELE_CONFIG_ROOT);
XmlElement seamlessElement = xmlDoc.CreateElement(ELE_CONFIG_SEAMLESS);
seamlessElement.InnerText = tag.IsSeamless.ToString();
configElement.AppendChild(seamlessElement);
return configElement;
}
private void TestCreateTag(TestCase testcase)
{
string tagname = testcase.Parameters;
Tag tag = new Tag(tagname, DateTime.Now.Ticks);
_taglist.Add(tag);
testcase.Actual = _taglist.Count.ToString();
testcase.Passed = (testcase.Expected.Equals(testcase.Actual));
}
/// <summary>
/// Merges two tags with the same tag name by merging the tagged paths in each tag
/// </summary>
/// <param name="current">The <see cref="Tag">Tag</see> object that represents the current tag</param>
/// <param name="newTag">The <see cref="Tag">Tag</see> object that represents the new tag</param>
/// <returns>true if the tags are merged, false if the tags have different tag name or
/// same last updated date or different last updated date</returns>
private static bool MergeTag(Tag current, Tag newTag)
{
if (!newTag.TagName.ToLower().Equals(current.TagName.ToLower()))
{
//Since Tag name is different , do not merge.
//Should not Happen.
return false;
}
if (newTag.LastUpdatedDate == current.LastUpdatedDate)
{
//Since Tag updated time is same , shall not do anything
return false;
}
else
{//Since time different , merge.
//if new Tag is deleted and current is not
if (newTag.IsDeleted && !current.IsDeleted)
{
//delete only if deleted date is more than created date.
if (newTag.DeletedDate > current.CreatedDate)
{
ServiceLocator.LogicLayerNotificationQueue().Enqueue(new RemoveTagNotification(newTag));
return true;
}
//do nothing
return false;
}
//for each taggedPath found in the new Tag.
//if the path is not found , just create
//if the path is found , attempt to merge.
if (current.IsDeleted && !newTag.IsDeleted)
{
if (newTag.CreatedDate > current.DeletedDate)
{
TaggingLayer.Instance.AddTag(newTag);
ServiceLocator.LogicLayerNotificationQueue().Enqueue(new AddTagNotification(newTag));
return true;
}
}
foreach (TaggedPath newPath in newTag.UnfilteredPathList)
{
TaggedPath currentPath = current.FindPath(newPath.PathName, false);
if (currentPath == null)
{
ServiceLocator.LogicLayerNotificationQueue().Enqueue(new MonitorPathNotification(current,newPath));
current.AddPath(newPath);
}
else
{
//update only if the new path is more updated than the current path
if (currentPath.LastUpdatedDate <= newPath.LastUpdatedDate)
{
//if the path is delete in the new tag but not in the old tag
if (newPath.IsDeleted && !currentPath.IsDeleted)
{
if (newPath.DeletedDate > currentPath.CreatedDate)
{
current.RemovePath(newPath);
ServiceLocator.LogicLayerNotificationQueue().Enqueue(new UnMonitorPathNotification(current,newPath));
}
}
else if (!newPath.IsDeleted && currentPath.IsDeleted)
{
if (newPath.CreatedDate > currentPath.DeletedDate)
{
//a new path is created in the new tag but is deleted in the old tag.
current.AddPath(newPath);
ServiceLocator.LogicLayerNotificationQueue().Enqueue(new MonitorPathNotification(current,newPath));
}
}
}
}
}
}
return true;
}
/// <summary>
/// Set the mode of the tag to the mode.
/// <remarks>
/// This is a direct set method. Should only be call by the notification after a Sync is complete or if switching from seamless to manual.
/// If a tag is switch from manual to seamless without doing a manual sync, the tag may not be in sync and seamless mode may not work in a proper way.
/// </remarks>
/// </summary>
/// <param name="tag">The <see cref="Tag"/> to set the mode.</param>
/// <param name="mode">true if the mode is seamless, false if the mode is manual</param>
private void SetTagMode(Tag tag, bool mode)
{
//set the tag to the mode.
tag.IsSeamless = mode;
//Initiate a Save.
InitiateSave();
//Retrieve all the Path string from the list of path that are not deleted from the tag.
List<string> pathList = new List<string>();
//Convert all the paths to physical path.
//if mode is seamless, start monitoring all of them.
//if mode is manual, unmonitor all of them.
if (mode)
{
foreach (TaggedPath path in tag.FilteredPathList)
{
pathList.Add(path.PathName);
}
List<string> convertedPath = ProfilingLayer.Instance.ConvertAndFilterToPhysical(pathList);
foreach (string path in convertedPath)
{
try
{
MonitorLayer.Instance.MonitorPath(PathHelper.RemoveTrailingSlash(path));
}
catch (MonitorPathNotFoundException)
{
}
}
}
else
{
foreach (TaggedPath path in tag.FilteredPathList)
{
List<Tag> tagList = TaggingLayer.Instance.RetrieveTagByPath(path.PathName);
bool found = false;
foreach (Tag tempTag in tagList)
{
if (tempTag.TagName != tag.TagName && tempTag.IsSeamless)
{
found = true;
break;
}
}
if (found)
{
continue;
}
pathList.Add(path.PathName);
}
List<string> convertedPath = ProfilingLayer.Instance.ConvertAndFilterToPhysical(pathList);
foreach (string path in convertedPath)
{
try
{
MonitorLayer.Instance.UnMonitorPath(PathHelper.RemoveTrailingSlash(path));
}
catch (MonitorPathNotFoundException)
{
}
}
}
//try to remove the tag from the switching table
//this will ensure that the ui can update the current state of the tag.
try
{
if (_switchingTable.ContainsKey(tag.TagName))
{
_switchingTable.Remove(tag.TagName);
}
}
catch (Exception e)
{
//this should not happen but record it down just in case.
//This should not affect the flow of the application so shall not report.
ServiceLocator.GetLogger(ServiceLocator.DEBUG_LOG).Write(e);
}
}
/// <summary>
/// Initialize the RemoveTagNotification
/// </summary>
/// <param name="tag"></param>
public RemoveTagNotification(Tag tag)
: base("Remove Tag Notification", NotificationCode.DeleteTagNotification)
{
Tag = tag;
}
/// <summary>
/// Sync the tag then monitor the tag.
/// </summary>
/// <param name="tag">The Tag to Start Monitor</param>
private void StartMonitorTag(Tag tag)
{
ManualSync(tag, true);
}
/// <summary>
/// Initialize UnMonitorPathNotification
/// </summary>
/// <param name="tag">the related <see cref="Tag"/></param>
/// <param name="path">the related <see cref="TaggedPath"/></param>
public UnMonitorPathNotification(Tag tag, TaggedPath path):base("UnMonitor Path Notification" , NotificationCode.UnmonitorPathNotification)
{
TargetTag = tag;
_targetPath = path;
}
/// <summary>
/// Convert a <see cref="Tag"/> to a <see cref="TagView"/> for UI.
/// </summary>
/// <param name="t">The tag to convert</param>
/// <returns>return the <see cref="TagView"/> representing the Tag.</returns>
private TagView ConvertToTagView(Tag t)
{
//Find and clean all the deleted folder that are still tag.
FindAndCleanDeletedPaths();
//Create the Tag View
//Convert the path.
List<string>[] pathList = ProfilingLayer.Instance.ConvertAndFilter(t.FilteredPathListString);
//a list of available path
PathGroupView availGrpView = new PathGroupView("Available");
List<PathView> pathViewList = new List<PathView>();
foreach (string path in pathList[0])
{
PathView p = new PathView(path);
if (!Directory.Exists(path))
{
p.IsMissing = false;
}
pathViewList.Add(p);
}
availGrpView.PathList = pathViewList;
TagView view = new TagView(t.TagName, t.LastUpdatedDate);
view.GroupList.Add(availGrpView);
view.Created = t.CreatedDate;
view.IsQueued = CompareAndSyncController.Instance.IsQueued(t.TagName);
view.IsSyncing = CompareAndSyncController.Instance.IsSyncing(t.TagName);
view.TagState = GetTagState(view.TagName);
return view;
}
/// <summary>
/// Initialize the AddTagNotification
/// </summary>
/// <param name="tag"></param>
public AddTagNotification(Tag tag)
: base("Add Tag Notification", NotificationCode.AddTagNotification)
{
Tag = tag;
}
/// <summary>
/// Remove a Tag Path ( Notify from Merging )
/// </summary>
/// <param name="tag">Tag that the path was removed from</param>
/// <param name="path">Path that is added</param>
internal void RemoveTagPath(Tag tag, TaggedPath path)
{
//At the moment nothing needs to be done , just switch the tag to manual and back to seamless will do.
if (tag.IsSeamless)
{
SwitchMode(tag.TagName, TagMode.Manual);
SwitchMode(tag.TagName, TagMode.Seamless);
}
}
/// <summary>
/// Adds a tag to the current tagging profile
/// </summary>
/// <param name="tag">The <see cref="Tag"/> object that represents the tag to be added</param>
/// <remarks>Used for merging tag objects from several tagging profiles.</remarks>
public void AddTag(Tag tag)
{
_taggingProfile.AddTag(tag);
}
/// <summary>
/// Remove a Tag ( Notify from Merging )
/// </summary>
/// <param name="tag">Tag that is removed.</param>
internal void RemoveTag(Tag tag)
{
try
{
//Unmonitor the tag first then delete the tag.
SwitchMode(tag.TagName, TagMode.Manual);
TaggingLayer.Instance.DeleteTag(tag.TagName);
_userInterface.TagsChanged();
_userInterface.TagChanged(tag.TagName);
}
catch (TagNotFoundException te)
{
ServiceLocator.GetLogger(ServiceLocator.DEBUG_LOG).Write(te);
}
catch (Exception e)// Handle Unexpected Exception
{
ServiceLocator.GetLogger(ServiceLocator.DEBUG_LOG).Write(e);
}
}
/// <summary>
/// Removes the tag that is passed as parameter from the list of tags
/// </summary>
/// <param name="tag">The <see cref="Tag">Tag</see> object that represents the tag to be removed</param>
/// <returns>the tag that is deleted if it is deleted; otherwise, null</returns>
public Tag DeleteTag(Tag tag)
{
Tag toRemove = FindTag(tag.TagName);
if (toRemove != null)
{
if (toRemove.IsDeleted)
{
return null;
}
else
{
CurrentTime updated = new CurrentTime();
toRemove.Remove(updated.CurrentTimeLong);
_lastUpdatedDate = updated.CurrentTimeLong;
return toRemove;
}
}
else
{
return null;
}
}