public override bool Load()
{
Log.WriteLine($"Loading database...");
if (Directory.Exists(Path))
{
Mut.WaitOne();
Collections.Clear();
string[] files = Directory.GetFiles(Path);
foreach (string file in files)
{
// file = Full Path
string name = System.IO.Path.GetFileNameWithoutExtension(file);
Collection c = JsonConvert.DeserializeObject <Collection>(
Encoding.UTF8.GetString(File.Sync.ReadFile(file)),
SerializerSettings);
Collections.Add(name, c);
}
Mut.ReleaseMutex();
Log.WriteLine($"Loaded {files.Length} collections.");
return(true);
}
else
{
Mut.WaitOne();
Directory.Create(Path);
Collections.Clear();
Mut.ReleaseMutex();
Log.WriteLine("No database found. Created directory.");
return(false);
}
}
public override object this[string index]
{
get
{
Mut.WaitOne();
bool success = TryGetValue(index, out object v);
Mut.ReleaseMutex();
if (success)
{
return(v);
}
else
{
return(null);
}
}
set
{
Mut.WaitOne();
if (ContainsKey(index))
{
if (Remove(index))
{
Add(index, value);
}
}
else
{
Add(index, value);
}
Mut.ReleaseMutex();
}
}
public override List <Document> FindMatching(Predicate <Document> predicate)
{
Mut.WaitOne();
List <Document> l = FindAll(predicate);
Mut.ReleaseMutex();
return(l);
}
public override Document FindOne(Predicate <Document> predicate)
{
Mut.WaitOne();
Document t = Find(predicate);
Mut.ReleaseMutex();
return(t);
}
public bool HasCollection(string name)
{
Mut.WaitOne();
bool success = Collections.TryGetValue(name, out Collection val);
Mut.ReleaseMutex();
return(success);
}
public override bool RemoveCollection(string name)
{
Mut.WaitOne();
bool success = Collections.Remove(name);
Mut.ReleaseMutex();
return(success);
}
public override int RemoveMatching(Predicate <Document> predicate)
{
Mut.WaitOne();
int count = RemoveAll(predicate);
Mut.ReleaseMutex();
return(count);
}
public override bool RemoveOne(Predicate <Document> predicate)
{
Mut.WaitOne();
bool success = Remove(Find(predicate));
Mut.ReleaseMutex();
return(success);
}
public override Collection GetCollection(string name)
{
Mut.WaitOne();
bool success = Collections.TryGetValue(name, out Collection val);
Mut.ReleaseMutex();
if (!success)
{
return(null);
}
else
{
return(val);
}
}
public override void Save()
{
Log.WriteLine("Saving database...");
Mut.WaitOne();
Dictionary <string, Collection> .Enumerator en = Collections.GetEnumerator();
while (en.MoveNext())
{
string path = System.IO.Path.Join(Path, $"{en.Current.Key}.json");
en.Current.Value.Lock();
byte[] data = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(en.Current.Value, Database.SerializerSettings));
File.Sync.OverwriteFile(data, path);
en.Current.Value.Release();
}
Mut.ReleaseMutex();
Log.WriteLine("Done.");
}
public override bool AddCollection(string name, out Collection collection)
{
Mut.WaitOne();
Collection t = new Collection();
bool success = Collections.TryAdd(name, t);
if (success)
{
collection = t;
}
else
{
collection = null;
}
Mut.ReleaseMutex();
return(success);
}
public override void Release()
{
Mut.ReleaseMutex();
}
public override void Each(Action <Document> action)
{
Mut.WaitOne();
ForEach(action);
Mut.ReleaseMutex();
}
