public ISequence LoadFromFile(string filePath) { if (filePath == null) { throw new InvalidOperationException("Cannot load from a null file path."); } if (!File.Exists(filePath)) { throw new InvalidOperationException("File does not exist."); } IFileReader fileReader = FileReaderFactory.Instance.CreateFileReader(); if (fileReader == null) { return(null); } IObjectContentWriter contentWriter = ObjectContentWriterFactory.Instance.CreateSequenceContentWriter(filePath); if (contentWriter == null) { return(null); } IContentMigrator contentMigrator = ContentMigratorFactory.Instance.CreateSequenceContentMigrator(filePath); if (contentMigrator == null) { return(null); } ISequenceTypeModuleInstance sequenceTypeModule = SequenceTypeService.Instance.CreateSequenceFactory(filePath); if (sequenceTypeModule == null) { return(null); } ISequence sequence = sequenceTypeModule.CreateSequence(); if (sequence == null) { return(null); } sequence = MigratingObjectLoaderService.Instance.LoadFromFile(sequence, filePath, fileReader, contentWriter, contentMigrator, sequenceTypeModule.ObjectVersion); if (sequence != null) { sequence.FilePath = filePath; } return(sequence); }
private ISequence _CreateSequenceInstance(string fileType) { ISequenceTypeModuleInstance sequenceFactory = SequenceTypeService.Instance.CreateSequenceFactory(fileType); if (sequenceFactory != null) { return(sequenceFactory.CreateSequence()); } return(null); }