protected override void LoadInternal(ref ObjectModel objectModel)
{
FileSystemObjectModel fsom = (objectModel as FileSystemObjectModel);
if (fsom == null)
{
throw new ObjectModelNotSupportedException();
}
Reader reader = Accessor.Reader;
string signature = reader.ReadFixedLengthString(8);
if (!signature.Equals("slick!\0\0"))
{
Console.Error.WriteLine("expected 'slick!\\0\\0', got '{0}'", signature);
throw new InvalidDataFormatException();
}
float version = reader.ReadSingle();
if (version != 1.0f)
{
throw new InvalidDataFormatException();
}
FileNameSize = reader.ReadInt32();
int fileCount = reader.ReadInt32();
for (int i = 0; i < fileCount; i++)
{
string fileName = reader.ReadFixedLengthString(FileNameSize).TrimNull();
int offset = reader.ReadInt32();
int length = reader.ReadInt32();
File file = fsom.AddFile(fileName);
file.Properties["reader"] = reader;
file.Properties["offset"] = offset;
file.Properties["length"] = length;
file.DataRequest += File_DataRequest;
}
}
protected override void BeforeSaveInternal(Stack <ObjectModel> objectModels)
{
base.BeforeSaveInternal(objectModels);
FileNameSize = 32;
ObjectModel om = objectModels.Pop();
MochaClassLibraryObjectModel mcl = (om as MochaClassLibraryObjectModel);
MochaSnapshotObjectModel mcx = (om as MochaSnapshotObjectModel);
if (mcl == null && mcx == null)
{
throw new ObjectModelNotSupportedException();
}
FileSystemObjectModel fsom = new FileSystemObjectModel();
List <Guid> _instanceIndices = new List <Guid>();
List <string> _stringTable = new List <string>();
if (mcl != null)
{
#region Libraries
{
File f = fsom.AddFile("Libraries");
MemoryAccessor ma = new MemoryAccessor();
ma.Writer.WriteInt32(mcl.Libraries.Count);
for (int i = 0; i < mcl.Libraries.Count; i++)
{
ma.Writer.WriteGuid(mcl.Libraries[i].ID);
ma.Writer.WriteInt32(mcl.Libraries[i].Instances.Count);
ma.Writer.WriteInt32(mcl.Libraries[i].Relationships.Count);
}
ma.Close();
f.SetData(ma.ToArray());
}
#endregion
#region Instances
{
File f = fsom.AddFile("Instances");
MemoryAccessor ma = new MemoryAccessor();
for (int i = 0; i < mcl.Libraries.Count; i++)
{
ma.Writer.WriteInt32(mcl.Libraries[i].Instances.Count);
for (int j = 0; j < mcl.Libraries[i].Instances.Count; j++)
{
ma.Writer.WriteInt32(AddOrUpdateLookupTable <Guid>(_instanceIndices, mcl.Libraries[i].Instances[j].ID));
ma.Writer.WriteInt32(mcl.Libraries[i].Instances[j].AttributeValues.Count);
MochaInstanceFlags flags = MochaInstanceFlags.None;
if (mcl.Libraries[i].Instances[j].Index != null)
{
flags |= MochaInstanceFlags.HasIndex;
}
ma.Writer.WriteInt32((int)flags);
if ((flags & MochaInstanceFlags.HasIndex) == MochaInstanceFlags.HasIndex)
{
ma.Writer.WriteInt32(mcl.Libraries[i].Instances[j].Index.Value);
}
}
}
ma.Close();
f.SetData(ma.ToArray());
}
#endregion
#region Attributes
{
File f = fsom.AddFile("Attributes");
MemoryAccessor ma = new MemoryAccessor();
for (int i = 0; i < mcl.Libraries.Count; i++)
{
/*
* writer.WriteInt32(mcl.Libraries[i].Metadata.Count);
* for (int j = 0; j < mcl.Libraries[i].Metadata.Count; j++)
* {
* writer.WriteNullTerminatedString(mcl.Libraries[i].Metadata[j].Name);
* writer.WriteNullTerminatedString(mcl.Libraries[i].Metadata[j].Value);
* }
*/
for (int j = 0; j < mcl.Libraries[i].Instances.Count; j++)
{
for (int k = 0; k < mcl.Libraries[i].Instances[j].AttributeValues.Count; k++)
{
ma.Writer.WriteInt32(AddOrUpdateLookupTable <Guid>(_instanceIndices, mcl.Libraries[i].Instances[j].AttributeValues[k].AttributeInstanceID));
if (mcl.Libraries[i].Instances[j].AttributeValues[k].Value == null)
{
ma.Writer.WriteInt32((int)MochaAttributeType.None);
}
else if (mcl.Libraries[i].Instances[j].AttributeValues[k].Value is string)
{
ma.Writer.WriteInt32((int)MochaAttributeType.Text);
ma.Writer.WriteInt32(AddOrUpdateLookupTable <string>(_stringTable, mcl.Libraries[i].Instances[j].AttributeValues[k].Value as string));
}
else
{
ma.Writer.WriteInt32((int)MochaAttributeType.Unknown);
ma.Writer.WriteObject(mcl.Libraries[i].Instances[j].AttributeValues[k].Value);
}
}
}
}
ma.Close();
f.SetData(ma.ToArray());
}
#endregion
#region Relationships
{
File f = fsom.AddFile("Relationships");
MemoryAccessor ma = new MemoryAccessor();
for (int i = 0; i < mcl.Libraries.Count; i++)
{
for (int j = 0; j < mcl.Libraries[i].Relationships.Count; j++)
{
ma.Writer.WriteInt32(AddOrUpdateLookupTable <Guid>(_instanceIndices, mcl.Libraries[i].Relationships[j].RelationshipInstanceID));
ma.Writer.WriteInt32(AddOrUpdateLookupTable <Guid>(_instanceIndices, mcl.Libraries[i].Relationships[j].SourceInstanceID));
ma.Writer.WriteInt32(mcl.Libraries[i].Relationships[j].DestinationInstanceIDs.Count);
for (int k = 0; k < mcl.Libraries[i].Relationships[j].DestinationInstanceIDs.Count; k++)
{
ma.Writer.WriteInt32(AddOrUpdateLookupTable <Guid>(_instanceIndices, mcl.Libraries[i].Relationships[j].DestinationInstanceIDs[k]));
}
}
}
ma.Close();
f.SetData(ma.ToArray());
}
#endregion
#region Tenants
{
if (mcl.Tenants.Count > 0)
{
File f = fsom.AddFile("Tenants");
MemoryAccessor ma = new MemoryAccessor();
ma.Writer.WriteInt32(mcl.Tenants.Count);
foreach (MochaTenant tenant in mcl.Tenants)
{
ma.Writer.WriteInt32(AddOrUpdateLookupTable <Guid>(_instanceIndices, tenant.ID));
ma.Writer.WriteInt32(AddOrUpdateLookupTable <string>(_stringTable, tenant.Name));
ma.Writer.WriteInt32(tenant.LibraryReferences.Count);
for (int i = 0; i < tenant.LibraryReferences.Count; i++)
{
ma.Writer.WriteInt32(AddOrUpdateLookupTable <Guid>(_instanceIndices, tenant.LibraryReferences[i].LibraryID));
}
ma.Writer.WriteInt32(tenant.Instances.Count);
for (int i = 0; i < tenant.Instances.Count; i++)
{
ma.Writer.WriteInt32(AddOrUpdateLookupTable <Guid>(_instanceIndices, tenant.Instances[i].ID));
}
ma.Writer.WriteInt32(tenant.Relationships.Count);
for (int i = 0; i < tenant.Relationships.Count; i++)
{
ma.Writer.WriteInt32(AddOrUpdateLookupTable <Guid>(_instanceIndices, tenant.Relationships[i].SourceInstanceID));
ma.Writer.WriteInt32(AddOrUpdateLookupTable <Guid>(_instanceIndices, tenant.Relationships[i].RelationshipInstanceID));
ma.Writer.WriteInt32(tenant.Relationships[i].DestinationInstanceIDs.Count);
for (int j = 0; j < tenant.Relationships[i].DestinationInstanceIDs.Count; j++)
{
ma.Writer.WriteInt32(AddOrUpdateLookupTable <Guid>(_instanceIndices, tenant.Relationships[i].DestinationInstanceIDs[j]));
}
}
}
ma.Close();
f.SetData(ma.ToArray());
}
}
#endregion
}
else if (mcx != null)
{
#region Journal
{
if (mcx.Transactions.Count > 0)
{
File f = fsom.AddFile("Journal");
MemoryAccessor ma = new MemoryAccessor();
foreach (MochaSnapshotTransaction t in mcx.Transactions)
{
ma.Writer.WriteByte((byte)MochaOpcode.BeginTransaction);
ma.Writer.WriteInt32(AddOrUpdateLookupTable <string>(_stringTable, t.TenantName));
foreach (MochaSnapshotTransactionOperation op in t.Operations)
{
if (op is MochaSnapshotCreateInstanceTransactionOperation ci)
{
ma.Writer.WriteByte((byte)MochaOpcode.CreateInstance);
ma.Writer.WriteDateTime(ci.EffectiveDate);
ma.Writer.WriteInt32(AddOrUpdateLookupTable <Guid>(_instanceIndices, ci.GlobalIdentifier));
ma.Writer.WriteInt32(AddOrUpdateLookupTable <Guid>(_instanceIndices, ci.ClassGlobalIdentifier));
}
else if (op is MochaSnapshotAssignAttributeTransactionOperation aa)
{
ma.Writer.WriteByte((byte)MochaOpcode.AssignAttribute);
ma.Writer.WriteDateTime(aa.EffectiveDate);
ma.Writer.WriteInt32(AddOrUpdateLookupTable <Guid>(_instanceIndices, aa.SourceInstanceID));
ma.Writer.WriteInt32(AddOrUpdateLookupTable <Guid>(_instanceIndices, aa.AttributeInstanceID));
WriteMochaValue(ma.Writer, aa.Value, _stringTable);
}
else if (op is MochaSnapshotAssociateRelationshipTransactionOperation ar)
{
ma.Writer.WriteByte((byte)MochaOpcode.CreateRelationship);
ma.Writer.WriteDateTime(ar.EffectiveDate);
ma.Writer.WriteInt32(AddOrUpdateLookupTable <Guid>(_instanceIndices, ar.SourceInstanceID));
ma.Writer.WriteInt32(AddOrUpdateLookupTable <Guid>(_instanceIndices, ar.RelationshipInstanceID));
ma.Writer.WriteInt32(ar.TargetInstanceIDs.Count);
foreach (Guid id in ar.TargetInstanceIDs)
{
ma.Writer.WriteInt32(AddOrUpdateLookupTable <Guid>(_instanceIndices, id));
}
}
}
ma.Writer.WriteByte((byte)MochaOpcode.EndTransaction);
}
ma.Close();
f.SetData(ma.ToArray());
}
}
#endregion
}
#region Guid Table
{
File f = fsom.AddFile("GlobalIdentifiers");
MemoryAccessor ma = new MemoryAccessor();
ma.Writer.WriteInt32(_instanceIndices.Count);
foreach (Guid id in _instanceIndices)
{
ma.Writer.WriteGuid(id);
}
ma.Close();
f.SetData(ma.ToArray());
}
#endregion
#region String Table
{
File f = fsom.AddFile("StringTable");
MemoryAccessor ma = new MemoryAccessor();
ma.Writer.WriteInt32(_stringTable.Count);
foreach (string id in _stringTable)
{
ma.Writer.WriteNullTerminatedString(id);
}
ma.Close();
f.SetData(ma.ToArray());
}
#endregion
objectModels.Push(fsom);
}