private Indexable GetNewXmpIndexable(ref Indexable indexable,
string path,
Guid id,
DirectoryModel parent)
{
// In non-crawl mode, check if a corresponding xmp file is present and not already scheduled and index it.
// If file.xmp and file are rapidly written/updated (in that order), this does the right thing.
// If file and file.xmp are rapidly written/updated (in that order), either
// - file.xmp is present during FileToIndexable(file): in which case xmp properties are
// added to file; and when file.xmp is indexed, it will replace the xmp properties
// - file.xmp is not present during FileToIndexable(file): when the xmp file is later indexed
// it will add the xmp properties
// since the uid file will still be in the uid-cache, correct uid will be used for xmp prop-change indexable
string possible_xmp_file_path = string.Concat(path, ".xmp");
if (!File.Exists(possible_xmp_file_path))
{
return(null);
}
Guid xmp_id = queryable.RegisterFile(parent, (Path.GetFileName(possible_xmp_file_path)));
if (xmp_id == Guid.Empty)
{
return(null);
}
XmpFile xmp_file = null;
try {
xmp_file = new XmpFile(possible_xmp_file_path);
} catch {
uid_manager.ForgetNewId(possible_xmp_file_path);
return(null);
}
// FIXME: Should also delete previous xmp properties!
foreach (Property p in xmp_file.Properties)
{
p.IsMutable = true;
indexable.AddProperty(p);
}
xmp_file.Close();
// Also need to save some local states for PostAddHook,
// namely, path to the xmp file, path to basefile and generated uid
indexable.LocalState ["XmpFilePath"] = possible_xmp_file_path;
indexable.LocalState ["BaseFilePath"] = path;
indexable.LocalState ["XmpGuid"] = GuidFu.ToShortString(xmp_id);
if (Debug)
{
Log.Debug("Adding properties from {0}({2}) to {1}({3})", possible_xmp_file_path, path, GuidFu.ToShortString(xmp_id), GuidFu.ToShortString(id));
}
return(null);
}
private Indexable GetNewXmpIndexable (ref Indexable indexable,
string path,
Guid id,
DirectoryModel parent)
{
// In non-crawl mode, check if a corresponding xmp file is present and not already scheduled and index it.
// If file.xmp and file are rapidly written/updated (in that order), this does the right thing.
// If file and file.xmp are rapidly written/updated (in that order), either
// - file.xmp is present during FileToIndexable(file): in which case xmp properties are
// added to file; and when file.xmp is indexed, it will replace the xmp properties
// - file.xmp is not present during FileToIndexable(file): when the xmp file is later indexed
// it will add the xmp properties
// since the uid file will still be in the uid-cache, correct uid will be used for xmp prop-change indexable
string possible_xmp_file_path = string.Concat (path, ".xmp");
if (! File.Exists (possible_xmp_file_path))
return null;
Guid xmp_id = queryable.RegisterFile (parent, (Path.GetFileName (possible_xmp_file_path)));
if (xmp_id == Guid.Empty)
return null;
XmpFile xmp_file = null;
try {
xmp_file = new XmpFile (possible_xmp_file_path);
} catch {
uid_manager.ForgetNewId (possible_xmp_file_path);
return null;
}
// FIXME: Should also delete previous xmp properties!
foreach (Property p in xmp_file.Properties) {
p.IsMutable = true;
indexable.AddProperty (p);
}
xmp_file.Close ();
// Also need to save some local states for PostAddHook,
// namely, path to the xmp file, path to basefile and generated uid
indexable.LocalState ["XmpFilePath"] = possible_xmp_file_path;
indexable.LocalState ["BaseFilePath"] = path;
indexable.LocalState ["XmpGuid"] = GuidFu.ToShortString (xmp_id);
if (Debug)
Log.Debug ("Adding properties from {0}({2}) to {1}({3})", possible_xmp_file_path, path, GuidFu.ToShortString (xmp_id), GuidFu.ToShortString (id));
return null;
}
public Indexable GetXmpQueryable (string path, Guid id, DirectoryModel parent)
{
Log.Debug ("Asked to create xmp indexable for ({0}) {1}", GuidFu.ToShortString (id), path);
// Should be at least 6 characters /<...>.xmp
if (path.Length < 6)
return null;
string basefile_path = Path.ChangeExtension (path, null);
// Ignore xmp files by itself
// FIXME: To support indexing independent xmp files will require even greater trouble
if (! File.Exists (basefile_path))
return null;
XmpFile xmp_file = null;
try {
xmp_file = new XmpFile (path);
} catch {
Log.Warn ("Cannot create xmpfile from {0}", path);
return null;
}
// Try to get the correct uid for the basefile
// First we need to see if basefile is already scheduled (yet to be dispatched)
Uri basefile_uri = null;
Indexable base_indexable;
if (uid_manager.HasNewId (basefile_path)) {
// Since uid_manager has a new id for this basefile, so basefile is already scheduled
// Get basefile uid from there
Guid basefile_id = uid_manager.GetNewId (basefile_path);
basefile_uri = GuidFu.ToUri (basefile_id);
Log.Debug ("{0} is already scheduled with uri {1}", basefile_path, basefile_uri);
} else {
// Basefile is not scheduled in the current batch
string basefile_name = Path.GetFileName (basefile_path);
// Try to schedule it for addition
base_indexable = queryable.GetCrawlingFileIndexable (parent, basefile_name);
if (base_indexable == null) {
// GetCrawlingFileIndexable returns null if file does not need to be indexed
// So basefile is up-to-date
// Need to figure out id from uid manager
Guid basefile_id = uid_manager.GetIdByNameAndParentId (basefile_name, parent.UniqueId);
basefile_uri = GuidFu.ToUri (basefile_id);
Log.Debug ("{0} is not scheduled and need not be, uri is {1}", basefile_path, basefile_uri);
} else {
Log.Debug ("Need to index {0}", basefile_path);
// basefile needs to be indexed
// FIXME: Move the task business out of handler and into FSQ.cs
Scheduler.Task task;
task = queryable.NewAddTask (base_indexable);
// FIXME: What is the correct priority ?
// If should have similar priority to the one that this xmp-indexable will be a part of
task.Priority = Scheduler.Priority.Immediate;
queryable.ThisScheduler.Add (task);
// Get the basefile uri from the indexable
basefile_uri = base_indexable.Uri;
}
}
Log.Debug ("Adding xmp-indexable for {0} (basefile uri {1}) with uid {2}",
path,
basefile_uri,
GuidFu.ToShortString (id));
Indexable indexable = new Indexable (IndexableType.PropertyChange, basefile_uri);
// Set the timestamp of the indexable as the timestamp of the basefile
// It could have also been skipped, the original Indexable.Add would anyway have it
indexable.Timestamp = File.GetLastWriteTimeUtc (basefile_path);
indexable.DisplayUri = UriFu.PathToFileUri (path);
// If the file was somehow deleted before this point, bail out.
if (! FileSystem.ExistsByDateTime (indexable.Timestamp)) {
xmp_file.Close ();
return null;
}
// Save some local states for PostAddHook, namely, path to the xmp file, path to basefile and generated uid
indexable.LocalState ["XmpFilePath"] = path;
indexable.LocalState ["BaseFilePath"] = basefile_path;
indexable.LocalState ["XmpGuid"] = GuidFu.ToShortString (id);
// FIXME: Should also delete previous xmp properties!
foreach (Property p in xmp_file.Properties) {
p.IsMutable = true;
indexable.AddProperty (p);
}
xmp_file.Close ();
return indexable;
}
public Indexable GetXmpQueryable(string path, Guid id, DirectoryModel parent)
{
Log.Debug("Asked to create xmp indexable for ({0}) {1}", GuidFu.ToShortString(id), path);
// Should be at least 6 characters /<...>.xmp
if (path.Length < 6)
{
return(null);
}
string basefile_path = Path.ChangeExtension(path, null);
// Ignore xmp files by itself
// FIXME: To support indexing independent xmp files will require even greater trouble
if (!File.Exists(basefile_path))
{
return(null);
}
XmpFile xmp_file = null;
try {
xmp_file = new XmpFile(path);
} catch {
Log.Warn("Cannot create xmpfile from {0}", path);
return(null);
}
// Try to get the correct uid for the basefile
// First we need to see if basefile is already scheduled (yet to be dispatched)
Uri basefile_uri = null;
Indexable base_indexable;
if (uid_manager.HasNewId(basefile_path))
{
// Since uid_manager has a new id for this basefile, so basefile is already scheduled
// Get basefile uid from there
Guid basefile_id = uid_manager.GetNewId(basefile_path);
basefile_uri = GuidFu.ToUri(basefile_id);
Log.Debug("{0} is already scheduled with uri {1}", basefile_path, basefile_uri);
}
else
{
// Basefile is not scheduled in the current batch
string basefile_name = Path.GetFileName(basefile_path);
// Try to schedule it for addition
base_indexable = queryable.GetCrawlingFileIndexable(parent, basefile_name);
if (base_indexable == null)
{
// GetCrawlingFileIndexable returns null if file does not need to be indexed
// So basefile is up-to-date
// Need to figure out id from uid manager
Guid basefile_id = uid_manager.GetIdByNameAndParentId(basefile_name, parent.UniqueId);
basefile_uri = GuidFu.ToUri(basefile_id);
Log.Debug("{0} is not scheduled and need not be, uri is {1}", basefile_path, basefile_uri);
}
else
{
Log.Debug("Need to index {0}", basefile_path);
// basefile needs to be indexed
// FIXME: Move the task business out of handler and into FSQ.cs
Scheduler.Task task;
task = queryable.NewAddTask(base_indexable);
// FIXME: What is the correct priority ?
// If should have similar priority to the one that this xmp-indexable will be a part of
task.Priority = Scheduler.Priority.Immediate;
queryable.ThisScheduler.Add(task);
// Get the basefile uri from the indexable
basefile_uri = base_indexable.Uri;
}
}
Log.Debug("Adding xmp-indexable for {0} (basefile uri {1}) with uid {2}",
path,
basefile_uri,
GuidFu.ToShortString(id));
Indexable indexable = new Indexable(IndexableType.PropertyChange, basefile_uri);
// Set the timestamp of the indexable as the timestamp of the basefile
// It could have also been skipped, the original Indexable.Add would anyway have it
indexable.Timestamp = File.GetLastWriteTimeUtc(basefile_path);
indexable.DisplayUri = UriFu.PathToFileUri(path);
// If the file was somehow deleted before this point, bail out.
if (!FileSystem.ExistsByDateTime(indexable.Timestamp))
{
xmp_file.Close();
return(null);
}
// Save some local states for PostAddHook, namely, path to the xmp file, path to basefile and generated uid
indexable.LocalState ["XmpFilePath"] = path;
indexable.LocalState ["BaseFilePath"] = basefile_path;
indexable.LocalState ["XmpGuid"] = GuidFu.ToShortString(id);
// FIXME: Should also delete previous xmp properties!
foreach (Property p in xmp_file.Properties)
{
p.IsMutable = true;
indexable.AddProperty(p);
}
xmp_file.Close();
return(indexable);
}