//
// Constructors
//
public PersistentObjects(string path)
{
this.objectDictionary = new Dictionary <Guid, Object> ();
this.persistentDictionary = new PersistentDictionary(path);
try
{
Guid[] keys = this.persistentDictionary.Keys;
for (int i = 0; i < keys.Length; i++)
{
Guid guid = keys [i];
byte[] source = this.persistentDictionary.Get(guid);
Guid guid2 = new Guid(source.Take(16).ToArray <byte> ());
if (
!(Serialization.GetTypeByGuid(guid2) == typeof(Blob)))
{
byte[] content = source.Skip(16).ToArray <byte> ();
Object @object = (Object)Serialization.Deserialize(guid2, content);
@object.Key = guid;
this.objectDictionary.Add(guid, @object);
}
}
}
catch
{
this.persistentDictionary.Dispose();
this.objectDictionary = null;
this.persistentDictionary = null;
throw;
}
}
public void InsertObject(Manager.Model.Object obj)
{
Guid guid = obj.Key;
obj.Key = Guid.Empty;
/*
* Tuple<Guid, Byte []> tuple;
* using (MemoryStream memoryStream = new MemoryStream ()) {
* tuple=new Tuple<Guid, byte []> (obj.GetType ().GetCustomAttribute<GuidAttribute> ().Value, memoryStream.ToArray ());
* }
*/
byte [] memoryStreamBytes;
using (MemoryStream memoryStream = new MemoryStream()) {
Serializer.NonGeneric.Serialize(memoryStream, obj);
memoryStreamBytes = memoryStream.ToArray();
}
//Tuple<Guid,Byte[]> tuple=Manager.Serialization.Serialize(obj);
IDbCommand dbcmd = CreateCommand();
dbcmd.CommandText = String.Format("insert into Objects (Key,ContentType,Content) values(@key,@type,@BIN)");
IDbDataParameter param = dbcmd.CreateParameter();
param.DbType = DbType.AnsiString;
param.ParameterName = "@key";
param.Value = guid.ToString();
dbcmd.Parameters.Add(param);
param = dbcmd.CreateParameter();
param.DbType = DbType.AnsiString;
param.ParameterName = "@type";
//param.Value = Manager.Serialization.GetGuidByType(obj.GetType()).ToString();
param.Value = Manager.Model.Object.GetGuidByType(obj.GetType()).ToString();
dbcmd.Parameters.Add(param);
param = dbcmd.CreateParameter();
param.DbType = DbType.Binary;
param.ParameterName = "@BIN";
//param.Value = tuple.Item2;
param.Value = memoryStreamBytes;
dbcmd.Parameters.Add(param);
//dbcmd.Parameters.Add("@BIN", SqlDbType.Binary, tuple.Item2.Length).Value = tuple.Item2;
dbcmd.ExecuteNonQuery();
dbcmd.Dispose();
}
//
// Methods
//
public Guid Put(Object o)
{
Tuple <Guid, byte[]> tuple = Serialization.Serialize(o);
MemoryStream memoryStream = new MemoryStream();
BinaryWriter binaryWriter = new BinaryWriter(memoryStream);
binaryWriter.Write(tuple.Item1.ToByteArray());
binaryWriter.Write(tuple.Item2);
binaryWriter.Flush();
this.persistentDictionary.Put(o.Key, memoryStream.ToArray());
if (this.objectDictionary.ContainsKey(o.Key))
{
this.objectDictionary[o.Key] = o;
}
else
{
this.objectDictionary.Add(o.Key, o);
}
return(o.Key);
}