public override NeoDatis.Odb.OID WriteNonNativeObjectInfo(NeoDatis.Odb.OID existingOid
, NeoDatis.Odb.Core.Layers.Layer2.Meta.NonNativeObjectInfo objectInfo, long position
, bool writeDataInTransaction, bool isNewObject)
{
// To enable object auto-reconnect on the server side
if (NeoDatis.Odb.OdbConfiguration.ReconnectObjectsToSession() && objectInfo.GetHeader
().GetOid() != null)
{
NeoDatis.Odb.Impl.Core.Server.Transaction.ServerSession session = (NeoDatis.Odb.Impl.Core.Server.Transaction.ServerSession
)sessionManager.GetSession(storageEngine.GetBaseIdentification().GetIdentification
(), true);
NeoDatis.Odb.Core.Layers.Layer2.Meta.ObjectInfoHeader oih = session.GetCache().GetObjectInfoHeaderFromOid
(objectInfo.GetOid(), false);
// only add in th cache if object does not exist in the cache
if (oih == null)
{
session.GetCache().AddObjectInfo(objectInfo.GetHeader());
}
}
NeoDatis.Odb.OID roid = base.WriteNonNativeObjectInfo(existingOid, objectInfo, position
, writeDataInTransaction, isNewObject);
if (objectInfo is NeoDatis.Odb.Core.Server.Layers.Layer2.Meta.ClientNonNativeObjectInfo)
{
NeoDatis.Odb.Core.Server.Layers.Layer2.Meta.ClientNonNativeObjectInfo cnnoi = (NeoDatis.Odb.Core.Server.Layers.Layer2.Meta.ClientNonNativeObjectInfo
)objectInfo;
NeoDatis.Odb.Impl.Core.Server.Transaction.ServerSession session = (NeoDatis.Odb.Impl.Core.Server.Transaction.ServerSession
)GetSession();
session.AssociateIds(roid, cnnoi.GetLocalOid());
// Adds the abstract Objectinfo in the cache
session.GetCache().AddObjectInfo(cnnoi.GetHeader());
}
return(roid);
}
public override NeoDatis.Odb.OID UpdateNonNativeObjectInfo(NeoDatis.Odb.Core.Layers.Layer2.Meta.NonNativeObjectInfo
nnoi, bool forceUpdate)
{
// To enable object auto-reconnect on the server side
if (NeoDatis.Odb.OdbConfiguration.ReconnectObjectsToSession() && nnoi.GetHeader()
.GetOid() != null)
{
NeoDatis.Odb.Impl.Core.Server.Transaction.ServerSession session = (NeoDatis.Odb.Impl.Core.Server.Transaction.ServerSession
)sessionManager.GetSession(storageEngine.GetBaseIdentification().GetIdentification
(), true);
NeoDatis.Odb.Core.Layers.Layer2.Meta.ObjectInfoHeader oih = session.GetCache().GetObjectInfoHeaderFromOid
(nnoi.GetOid(), false);
// only add in th cache if object does not exist in the cache
if (oih == null)
{
session.GetCache().AddObjectInfo(nnoi.GetHeader());
}
}
NeoDatis.Odb.OID roid = base.UpdateNonNativeObjectInfo(nnoi, forceUpdate);
if (nnoi is NeoDatis.Odb.Core.Server.Layers.Layer2.Meta.ClientNonNativeObjectInfo)
{
NeoDatis.Odb.Core.Server.Layers.Layer2.Meta.ClientNonNativeObjectInfo cnnoi = (NeoDatis.Odb.Core.Server.Layers.Layer2.Meta.ClientNonNativeObjectInfo
)nnoi;
NeoDatis.Odb.Impl.Core.Server.Transaction.ServerSession session = (NeoDatis.Odb.Impl.Core.Server.Transaction.ServerSession
)GetSession();
session.AssociateIds(cnnoi.GetOid(), cnnoi.GetLocalOid());
}
return(roid);
}
/// <exception cref="System.IO.IOException"></exception>
public virtual NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo AddClass(NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo
newClassInfo, bool addDependentClasses)
{
NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo ci = GetObjectWriter().AddClass(newClassInfo
, addDependentClasses);
NeoDatis.Odb.Impl.Core.Server.Transaction.ServerSession lsession = (NeoDatis.Odb.Impl.Core.Server.Transaction.ServerSession
)GetSession(true);
lsession.SetClassInfoId(newClassInfo.GetFullClassName(), ci.GetId());
return(ci);
}
private NeoDatis.Odb.Core.Server.Layers.Layer3.Engine.Message ManageConnectCommand
(NeoDatis.Odb.Core.Server.Message.ConnectMessage message)
{
// Gets the base identifier
baseIdentifier = message.GetBaseIdentifier();
// Gets the connection manager for this base identifier
NeoDatis.Odb.Core.Server.Connection.ConnectionManager connectionManager = null;
NeoDatis.Odb.Core.Server.Connection.IConnection connection = null;
NeoDatis.Tool.Mutex.Mutex mutex = null;
try
{
mutex = NeoDatis.Tool.Mutex.MutexFactory.Get(baseIdentifier).Acquire("connect");
// Gets the connection manager for this base identifier
connectionManager = GetConnectionManager(baseIdentifier, message.GetUser(), message
.GetPassword(), false);
if (connectionManager == null)
{
System.Text.StringBuilder buffer = new System.Text.StringBuilder();
buffer.Append("Base ").Append(baseIdentifier).Append(" is not registered on this server!"
);
return new NeoDatis.Odb.Core.Server.Message.ConnectMessageResponse(baseIdentifier
, "?", buffer.ToString());
}
string ip = message.GetIp();
long dateTime = message.GetDateTime();
connection = connectionManager.NewConnection(ip, dateTime, connectionManager.GetNbConnections
());
connection.SetCurrentAction(NeoDatis.Odb.Core.Server.Connection.ConnectionAction.
ActionConnect);
connectionId = connection.GetId();
// Creates a new session for this connection
NeoDatis.Odb.Core.Transaction.ISession session = new NeoDatis.Odb.Impl.Core.Server.Transaction.ServerSession
(connection.GetStorageEngine(), connectionId);
NeoDatis.Odb.Core.Layers.Layer3.IStorageEngine engine = connection.GetStorageEngine
();
// adds the session to the storage engine (it will be associated to
// the current thread
// The add session sets the correct meta model
engine.AddSession(session, true);
NeoDatis.Odb.TransactionId transactionId = engine.GetCurrentTransactionId();
if (debug)
{
NeoDatis.Tool.DLogger.Info(new System.Text.StringBuilder("Connection from ").Append
(ip).Append(" - cid=").Append(connection.GetId()).Append(" - session=").Append(session
.GetId()).Append(" - Base Id=").Append(baseIdentifier).ToString());
}
// Returns the meta-model to the client
NeoDatis.Odb.Core.Layers.Layer2.Meta.MetaModel metaModel = engine.GetSession(true
).GetMetaModel();
NeoDatis.Odb.Core.Server.Message.ConnectMessageResponse cmr = new NeoDatis.Odb.Core.Server.Message.ConnectMessageResponse
(baseIdentifier, connection.GetId(), metaModel, transactionId);
return cmr;
}
catch (System.Exception e)
{
string se = NeoDatis.Tool.Wrappers.OdbString.ExceptionToString(e, false);
string msg = baseIdentifier + ":Error while connecting to " + message.GetBaseIdentifier
();
NeoDatis.Tool.DLogger.Error(msg, e);
return new NeoDatis.Odb.Core.Server.Message.ConnectMessageResponse(baseIdentifier
, message.GetConnectionId(), msg + ":\n" + se);
}
finally
{
if (mutex != null)
{
mutex.Release("connect");
}
if (connection != null)
{
connection.EndCurrentAction();
}
}
}
