/// <summary>This method is used to make sure that client oids and server oids are equal.
/// </summary>
/// <remarks>
/// This method is used to make sure that client oids and server oids are equal.
/// <pre>
/// When storing an object, the client side does nt know the oid that each object will receive. So the client create
/// temporary (sequencial) oids. These oids are sent to the server in the object meta-representations. On the server side,
/// real OIDs are created and associated to the objects and to the client side ids. After calling the store on the server side
/// The client use the the synchronizeIds method to replace client ids by the right server side ids.
/// </pre>
/// </remarks>
public virtual void SynchronizeIds(NeoDatis.Odb.OID[] clientIds, NeoDatis.Odb.OID
[] serverIds)
{
if (clientIds.Length != clientOids.Count)
{
throw new NeoDatis.Odb.ODBRuntimeException(NeoDatis.Odb.Core.NeoDatisError.ClientServerSynchronizeIds
.AddParameter(clientOids.Count).AddParameter(clientIds.Length));
}
NeoDatis.Odb.Core.Server.Layers.Layer2.Meta.ClientNonNativeObjectInfo cnnoi = null;
NeoDatis.Odb.Core.Transaction.ICache cache = GetSession().GetCache();
object @object = null;
NeoDatis.Odb.OID id = null;
NeoDatis.Odb.Core.Transaction.ICrossSessionCache crossSessionCache = NeoDatis.Odb.Impl.Core.Transaction.CacheFactory
.GetCrossSessionCache(storageEngine.GetBaseIdentification().GetIdentification());
for (int i = 0; i < clientIds.Length; i++)
{
id = clientIds[i];
cnnoi = aois[id];
@object = objects[id];
// Server ids may be null when an object or part of an object has been updated.
// In these case local objects have already the correct ids
if (serverIds[i] != null)
{
cnnoi.SetOid(serverIds[i]);
cache.AddObject(serverIds[i], @object, cnnoi.GetHeader());
}
// As serverIds may be null, we need to check it
if (NeoDatis.Odb.OdbConfiguration.ReconnectObjectsToSession() && serverIds[i] !=
null)
{
crossSessionCache.AddObject(@object, serverIds[i]);
}
}
}
public override NeoDatis.Odb.Core.Layers.Layer2.Meta.NonNativeObjectInfo BuildNnoi
(object o, NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo info, NeoDatis.Odb.Core.Layers.Layer2.Meta.AbstractObjectInfo
[] values, long[] attributesIdentification, int[] attributeIds, System.Collections.Generic.IDictionary
<object, NeoDatis.Odb.Core.Layers.Layer2.Meta.NonNativeObjectInfo> alreadyReadObjects
)
{
NeoDatis.Odb.Core.Server.Layers.Layer2.Meta.ClientNonNativeObjectInfo cnnoi = new
NeoDatis.Odb.Core.Server.Layers.Layer2.Meta.ClientNonNativeObjectInfo(null, info
, values, attributesIdentification, attributeIds);
cnnoi.SetLocalOid(NeoDatis.Odb.Core.Oid.OIDFactory.BuildObjectOID(alreadyReadObjects
.Count + 1));
NeoDatis.Odb.OID id = cnnoi.GetLocalOid();
NeoDatis.Odb.Core.Transaction.ICache cache = GetSession().GetCache();
// Check if object is in the cache, if so sets its id
NeoDatis.Odb.OID oid = cache.GetOid(o, false);
if (oid != null)
{
cnnoi.SetOid(oid);
}
clientOids.Add(id);
aois.Add(id, cnnoi);
objects.Add(id, o);
return(cnnoi);
}
public override NeoDatis.Odb.Core.Layers.Layer2.Meta.NonNativeObjectInfo BuildNnoi
(object o, NeoDatis.Odb.Core.Layers.Layer2.Meta.ClassInfo info, NeoDatis.Odb.Core.Layers.Layer2.Meta.AbstractObjectInfo
[] values, long[] attributesIdentification, int[] attributeIds, System.Collections.Generic.IDictionary
<object, NeoDatis.Odb.Core.Layers.Layer2.Meta.NonNativeObjectInfo> alreadyReadObjects
)
{
NeoDatis.Odb.Core.Server.Layers.Layer2.Meta.ClientNonNativeObjectInfo cnnoi = new
NeoDatis.Odb.Core.Server.Layers.Layer2.Meta.ClientNonNativeObjectInfo(null, info
, values, attributesIdentification, attributeIds);
cnnoi.SetLocalOid(NeoDatis.Odb.Core.Oid.OIDFactory.BuildObjectOID(alreadyReadObjects
.Count + 1));
NeoDatis.Odb.OID id = cnnoi.GetLocalOid();
NeoDatis.Odb.Core.Transaction.ICache cache = GetSession().GetCache();
// Check if object is in the cache, if so sets its id
NeoDatis.Odb.OID oid = cache.GetOid(o, false);
if (oid != null)
{
cnnoi.SetOid(oid);
}
clientOids.Add(id);
aois.Add(id, cnnoi);
objects.Add(id, o);
return cnnoi;
}
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);
}
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);
}
