Esempio n. 1
0
        private MochaLibrary LoadLibrary(MochaClassLibraryObjectModel parent, MarkupTagElement tag)
        {
            if (tag == null)
            {
                return(null);
            }
            if (tag.FullName != "library")
            {
                return(null);
            }

            MarkupAttribute attGuid = tag.Attributes["id"];

            if (attGuid == null)
            {
                return(null);
            }

            Guid id = new Guid(attGuid.Value);

            MochaLibrary library = parent.Libraries[id];

            if (library == null)
            {
                library    = new MochaLibrary();
                library.ID = id;
            }

            MarkupAttribute attDefaultObjectSourceId = tag.Attributes["defaultObjectSourceId"];

            if (attDefaultObjectSourceId != null)
            {
                library.DefaultObjectSourceID = new Guid(attDefaultObjectSourceId.Value);
            }
            else
            {
                library.DefaultObjectSourceID = global::Mocha.Core.KnownInstanceGuids.ObjectSources.System;
            }

            MarkupTagElement tagMetadata = tag.Elements["metadata"] as MarkupTagElement;

            if (tagMetadata != null)
            {
                for (int i = 0; i < tagMetadata.Elements.Count; i++)
                {
                    MarkupTagElement tagMetadataItem = tagMetadata.Elements[i] as MarkupTagElement;
                    if (tagMetadataItem == null)
                    {
                        continue;
                    }

                    library.Metadata.Add(new MochaLibraryMetadata(tagMetadataItem.Name, tagMetadataItem.Value));
                }
            }

            MarkupTagElement tagInstances = tag.Elements["instances"] as MarkupTagElement;

            if (tagInstances != null)
            {
                for (int i = 0; i < tagInstances.Elements.Count; i++)
                {
                    MochaInstance inst = LoadInstance(library, tagInstances.Elements[i] as MarkupTagElement);
                    if (inst == null)
                    {
                        continue;
                    }

                    library.Instances.Add(inst);
                }
            }

            return(library);
        }
Esempio n. 2
0
        protected override void AfterLoadInternal(Stack <ObjectModel> objectModels)
        {
            base.AfterLoadInternal(objectModels);

            MarkupObjectModel            mom = (objectModels.Pop() as MarkupObjectModel);
            MochaClassLibraryObjectModel mcl = (objectModels.Pop() as MochaClassLibraryObjectModel);

            MarkupTagElement tagMocha = (mom.Elements["mocha"] as MarkupTagElement);

            if (tagMocha == null)
            {
                throw new InvalidDataFormatException("file does not contain top-level 'mocha' tag");
            }

            MarkupTagElement tagLibraries = (tagMocha.Elements["libraries"] as MarkupTagElement);

            if (tagLibraries != null)
            {
                for (int i = 0; i < tagLibraries.Elements.Count; i++)
                {
                    MochaLibrary library = LoadLibrary(mcl, tagLibraries.Elements[i] as MarkupTagElement);
                    if (library == null)
                    {
                        continue;
                    }

                    mcl.Libraries.Merge(library);
                }
            }

            MarkupTagElement tagTenants = (tagMocha.Elements["tenants"] as MarkupTagElement);

            if (tagTenants != null)
            {
                foreach (MarkupTagElement tagTenant in tagTenants.Elements.OfType <MarkupTagElement>())
                {
                    if (tagTenant == null)
                    {
                        continue;
                    }
                    if (tagTenant.FullName != "tenant")
                    {
                        continue;
                    }

                    MarkupAttribute attTenantID   = tagTenant.Attributes["id"];
                    MarkupAttribute attTenantName = tagTenant.Attributes["name"];

                    if (attTenantID == null || attTenantName == null)
                    {
                        continue;
                    }

                    MochaTenant tenant = new MochaTenant();
                    tenant.ID   = new Guid(attTenantID.Value);
                    tenant.Name = attTenantName.Value;

                    MarkupTagElement tagLibraryReferences = tagTenant.Elements["libraryReferences"] as MarkupTagElement;
                    if (tagLibraryReferences != null)
                    {
                        foreach (MarkupTagElement tagLibraryReference in tagLibraryReferences.Elements.OfType <MarkupTagElement>())
                        {
                            MarkupAttribute attLibraryId = tagLibraryReference.Attributes["libraryId"];
                            if (attLibraryId == null)
                            {
                                continue;
                            }

                            tenant.LibraryReferences.Add(new MochaLibraryReference(new Guid(attLibraryId.Value)));
                        }
                    }
                    MarkupTagElement tagInstances = tagTenant.Elements["instances"] as MarkupTagElement;
                    if (tagInstances != null)
                    {
                        foreach (MarkupTagElement tagInstance in tagInstances.Elements.OfType <MarkupTagElement>())
                        {
                            MochaInstance inst = LoadInstance(tenant, tagInstance);
                            tenant.Instances.Add(inst);
                        }
                    }

                    mcl.Tenants.Add(tenant);
                }
            }
        }
Esempio n. 3
0
        protected override void AfterLoadInternal(Stack <ObjectModel> objectModels)
        {
            base.AfterLoadInternal(objectModels);

            if (objectModels.Count < 2)
            {
                throw new ObjectModelNotSupportedException("must have a FileSystemObjectModel and a MochaClassLibraryObjectModel in the stack");
            }

            FileSystemObjectModel fsom = (objectModels.Pop() as FileSystemObjectModel);

            if (fsom == null)
            {
                throw new ObjectModelNotSupportedException();
            }

            ObjectModel om = objectModels.Pop();

            MochaSnapshotObjectModel     mcx = (om as MochaSnapshotObjectModel);
            MochaClassLibraryObjectModel mcl = (om as MochaClassLibraryObjectModel);

            if (mcl == null && mcx == null)
            {
                throw new ObjectModelNotSupportedException();
            }

            List <Guid>   _instanceGuids = new List <Guid>();
            List <string> _stringTable   = new List <string>();

            LIBRARY_INFO[] library_info = null;

            // COMMON TABLES
            #region Guid Table
            {
                File fGlobalIdentifiers = fsom.FindFile("GlobalIdentifiers");
                using (MemoryAccessor ma = new MemoryAccessor(fGlobalIdentifiers.GetData()))
                {
                    int instanceCount = ma.Reader.ReadInt32();
                    for (int i = 0; i < instanceCount; i++)
                    {
                        _instanceGuids.Add(ma.Reader.ReadGuid());
                    }
                }
            }
            #endregion
            #region String Table
            {
                File f = fsom.FindFile("StringTable");
                using (MemoryAccessor ma = new MemoryAccessor(f.GetData()))
                {
                    int stringTableCount = ma.Reader.ReadInt32();
                    for (int i = 0; i < stringTableCount; i++)
                    {
                        string value = ma.Reader.ReadNullTerminatedString();
                        _stringTable.Add(value);
                    }
                }
            }
            #endregion

            // MCL-SPECIFIC
            #region Libraries
            File fLibraries = fsom.FindFile("Libraries");
            if (mcl != null && fLibraries != null)
            {
                using (MemoryAccessor ma = new MemoryAccessor(fLibraries.GetData()))
                {
                    int libraryCount = ma.Reader.ReadInt32();
                    library_info = new LIBRARY_INFO[libraryCount];

                    for (int i = 0; i < libraryCount; i++)
                    {
                        MochaLibrary library = new MochaLibrary();
                        library.ID = ma.Reader.ReadGuid();
                        library_info[i].instanceCount = ma.Reader.ReadInt32();
                        // library_info[i].attributeValueCount = ma.Reader.ReadInt32();
                        library_info[i].relationshipCount = ma.Reader.ReadInt32();

                        mcl.Libraries.Add(library);
                    }
                }
            }
            else
            {
                Console.Error.WriteLine("mocha: mcl: error: ignoring 'Libraries' section found in non-mcl file");
            }
            #endregion

            INSTANCE_INFO[] instance_info = null;
            #region Instances
            File fInstances = fsom.FindFile("Instances");
            if (mcl != null && fInstances != null)
            {
                using (MemoryAccessor ma = new MemoryAccessor(fInstances.GetData()))
                {
                    for (int i = 0; i < mcl.Libraries.Count; i++)
                    {
                        int instanceCount = ma.Reader.ReadInt32();
                        instance_info = new INSTANCE_INFO[instanceCount];
                        for (int j = 0; j < instanceCount; j++)
                        {
                            instance_info[j].instanceIndex       = ma.Reader.ReadInt32();
                            instance_info[j].attributeValueCount = ma.Reader.ReadInt32();
                            MochaInstanceFlags flags = (MochaInstanceFlags)ma.Reader.ReadInt32();

                            int?index = null;
                            if ((flags & MochaInstanceFlags.HasIndex) == MochaInstanceFlags.HasIndex)
                            {
                                index = ma.Reader.ReadInt32();
                            }

                            MochaInstance inst = new MochaInstance();
                            inst.ID    = _instanceGuids[instance_info[j].instanceIndex];
                            inst.Index = index;
                            mcl.Libraries[i].Instances.Add(inst);
                        }
                    }
                }
            }
            else
            {
                Console.Error.WriteLine("mocha: mcl: error: ignoring 'Instances' section found in non-mcl file");
            }
            #endregion

            #region Attributes
            File fAttributes = fsom.FindFile("Attributes");
            if (mcl != null && fAttributes != null)
            {
                using (MemoryAccessor ma = new MemoryAccessor(fAttributes.GetData()))
                {
                    for (int i = 0; i < mcl.Libraries.Count; i++)
                    {
                        for (int j = 0; j < mcl.Libraries[i].Instances.Count; j++)
                        {
                            for (int k = 0; k < instance_info[j].attributeValueCount; k++)
                            {
                                int attributeInstanceIndex = ma.Reader.ReadInt32();

                                MochaAttributeValue val = new MochaAttributeValue();
                                val.AttributeInstanceID = _instanceGuids[attributeInstanceIndex];

                                MochaAttributeType attributeType = (MochaAttributeType)ma.Reader.ReadInt32();
                                switch (attributeType)
                                {
                                case MochaAttributeType.None: break;

                                case MochaAttributeType.Text:
                                {
                                    int    stringTableIndex = ma.Reader.ReadInt32();
                                    string value            = _stringTable[stringTableIndex];
                                    val.Value = value;
                                    break;
                                }

                                case MochaAttributeType.Boolean:
                                {
                                    bool value = ma.Reader.ReadBoolean();
                                    val.Value = value;
                                    break;
                                }

                                case MochaAttributeType.Date:
                                {
                                    DateTime value = ma.Reader.ReadDateTime();
                                    val.Value = value;
                                    break;
                                }

                                case MochaAttributeType.Unknown:
                                {
                                    break;
                                }
                                }

                                mcl.Libraries[i].Instances[j].AttributeValues.Add(val);
                            }
                        }
                    }
                }
            }
            else
            {
                Console.Error.WriteLine("mocha: mcl: error: ignoring 'Attributes' section found in non-mcl file");
            }
            #endregion

            #region Relationships
            File fRelationships = fsom.FindFile("Relationships");
            if (mcl != null && fRelationships != null)
            {
                using (MemoryAccessor ma = new MemoryAccessor(fRelationships.GetData()))
                {
                    for (int i = 0; i < mcl.Libraries.Count; i++)
                    {
                        for (int j = 0; j < library_info[i].relationshipCount; j++)
                        {
                            int relationshipIndex   = ma.Reader.ReadInt32();
                            int sourceInstanceIndex = ma.Reader.ReadInt32();

                            MochaRelationship rel = new MochaRelationship();
                            rel.RelationshipInstanceID = _instanceGuids[relationshipIndex];
                            rel.SourceInstanceID       = _instanceGuids[sourceInstanceIndex];

                            int targetInstanceCount = ma.Reader.ReadInt32();
                            for (int k = 0; k < targetInstanceCount; k++)
                            {
                                int instanceIndex = ma.Reader.ReadInt32();
                                rel.DestinationInstanceIDs.Add(_instanceGuids[instanceIndex]);
                            }

                            mcl.Libraries[i].Relationships.Add(rel);
                        }
                    }
                }
            }
            else
            {
                Console.Error.WriteLine("mocha: mcl: error: ignoring 'Relationships' section found in non-mcl file");
            }
            #endregion

            #region Tenants
            File fTenants = fsom.FindFile("Tenants");
            if (mcl != null && fTenants != null)
            {
                using (MemoryAccessor ma = new MemoryAccessor(fTenants.GetData()))
                {
                    int tenantCount = ma.Reader.ReadInt32();
                    for (int i = 0; i < tenantCount; i++)
                    {
                        int  instanceIndex = ma.Reader.ReadInt32();
                        Guid instanceGuid  = _instanceGuids[instanceIndex];

                        int    tenantNameIndex = ma.Reader.ReadInt32();
                        string tenantName      = _stringTable[tenantNameIndex];

                        MochaTenant tenant = new MochaTenant();
                        tenant.ID   = instanceGuid;
                        tenant.Name = tenantName;

                        int libraryReferenceCount = ma.Reader.ReadInt32();
                        for (int j = 0; j < libraryReferenceCount; j++)
                        {
                            int  libraryIndex = ma.Reader.ReadInt32();
                            Guid libraryID    = _instanceGuids[libraryIndex];
                            tenant.LibraryReferences.Add(new MochaLibraryReference(libraryID));
                        }

                        int instanceCount = ma.Reader.ReadInt32();
                        for (int j = 0; j < instanceCount; j++)
                        {
                            int           instanceIndex2 = ma.Reader.ReadInt32();
                            MochaInstance inst           = new MochaInstance();
                            inst.ID = _instanceGuids[instanceIndex2];
                            tenant.Instances.Add(inst);
                        }

                        int relationshipCount = ma.Reader.ReadInt32();
                        for (int j = 0; j < relationshipCount; j++)
                        {
                            int  sourceInex       = ma.Reader.ReadInt32();
                            Guid ssource          = _instanceGuids[sourceInex];
                            int  relationshipInex = ma.Reader.ReadInt32();
                            Guid relati           = _instanceGuids[relationshipInex];

                            MochaRelationship rel = new MochaRelationship();
                            rel.SourceInstanceID       = ssource;
                            rel.RelationshipInstanceID = relati;

                            int count = ma.Reader.ReadInt32();
                            for (int k = 0; k < count; k++)
                            {
                                int  targetIndex = ma.Reader.ReadInt32();
                                Guid targ        = _instanceGuids[targetIndex];
                                rel.DestinationInstanceIDs.Add(targ);
                            }

                            tenant.Relationships.Add(rel);
                        }
                        mcl.Tenants.Add(tenant);
                    }
                    ma.Close();
                    fTenants.SetData(ma.ToArray());
                }
            }
            else
            {
                Console.Error.WriteLine("mocha: mcl: error: ignoring 'Tenants' section found in non-mcl file");
            }
            #endregion

            #region Journal
            // journal is present in MCX / MCD (application, data files)
            // is an opcode based format
            // eg. 0x01 = create instance, 0x02 = delete instance
            //      0x04 = set attribute value, 0x05 = delete attribute value
            //		0x08 = create relationship, 0x09 = remove relationship

            File fJournal = fsom.FindFile("Journal");
            if (mcx != null && fJournal != null)
            {
                using (MemoryAccessor ma = new MemoryAccessor(fJournal.GetData()))
                {
                    MochaSnapshotTransaction currentTransaction = null;

                    while (!ma.Reader.EndOfStream)
                    {
                        MochaOpcode opcode = (MochaOpcode)ma.Reader.ReadByte();
                        switch (opcode)
                        {
                        case MochaOpcode.BeginTransaction:
                        {
                            currentTransaction            = new MochaSnapshotTransaction();
                            currentTransaction.TenantName = _stringTable[ma.Reader.ReadInt32()];
                            break;
                        }

                        case MochaOpcode.EndTransaction:
                        {
                            mcx.Transactions.Add(currentTransaction);
                            currentTransaction = null;
                            break;
                        }

                        case MochaOpcode.CreateInstance:
                        {
                            DateTime effectiveDate  = ma.Reader.ReadDateTime();
                            int      guidIndex      = ma.Reader.ReadInt32();
                            int      classGuidIndex = ma.Reader.ReadInt32();

                            MochaSnapshotCreateInstanceTransactionOperation op = new MochaSnapshotCreateInstanceTransactionOperation();
                            op.GlobalIdentifier      = _instanceGuids[guidIndex];
                            op.ClassGlobalIdentifier = _instanceGuids[classGuidIndex];
                            op.EffectiveDate         = effectiveDate;
                            currentTransaction.Operations.Add(op);
                            break;
                        }

                        case MochaOpcode.CreateRelationship:
                        case MochaOpcode.RemoveRelationship:
                        {
                            DateTime effectiveDate       = ma.Reader.ReadDateTime();
                            int      sourceInstanceIndex = ma.Reader.ReadInt32();
                            int      relationshipIndex   = ma.Reader.ReadInt32();
                            int      targetInstanceCount = ma.Reader.ReadInt32();

                            MochaSnapshotAssociateRelationshipTransactionOperation rel = new MochaSnapshotAssociateRelationshipTransactionOperation();
                            rel.RelationshipInstanceID = _instanceGuids[relationshipIndex];
                            rel.SourceInstanceID       = _instanceGuids[sourceInstanceIndex];
                            rel.EffectiveDate          = effectiveDate;

                            for (int k = 0; k < targetInstanceCount; k++)
                            {
                                int instanceIndex = ma.Reader.ReadInt32();
                                rel.TargetInstanceIDs.Add(_instanceGuids[instanceIndex]);
                            }

                            if (opcode == MochaOpcode.RemoveRelationship)
                            {
                                rel.Remove = true;
                            }

                            currentTransaction.Operations.Add(rel);
                            break;
                        }

                        case MochaOpcode.AssignAttribute:
                        {
                            DateTime effectiveDate = ma.Reader.ReadDateTime();
                            int      instanceIndex = ma.Reader.ReadInt32();
                            Guid     instanceID    = _instanceGuids[instanceIndex];

                            int  attributeIndex      = ma.Reader.ReadInt32();
                            Guid attributeInstanceID = _instanceGuids[attributeIndex];

                            object value = ReadMochaValue(ma.Reader, _stringTable);

                            MochaSnapshotAssignAttributeTransactionOperation mav = new MochaSnapshotAssignAttributeTransactionOperation();
                            mav.SourceInstanceID    = instanceID;
                            mav.AttributeInstanceID = attributeInstanceID;
                            mav.EffectiveDate       = effectiveDate;
                            mav.Value = value;
                            currentTransaction.Operations.Add(mav);
                            break;
                        }
                        }
                    }
                }
            }
            else
            {
                Console.Error.WriteLine("mocha: mcl: error: ignoring 'Journal' section found in non-mcx file");
            }
            #endregion
        }