* tdb.object.encoding=sse
*/
MetaFile metafile = fsIdToNode.getMetaFile() ;
metafile.checkOrSetMetadata("tdb.file.type", ObjectFile.type) ;
metafile.checkOrSetMetadata("tdb.file.impl", "dat") ;
metafile.checkOrSetMetadata("tdb.file.impl.version", "dat-v1") ;
metafile.checkOrSetMetadata("tdb.object.encoding", "sse") ;
String filename = fsIdToNode.filename(Names.extNodeData) ;
ObjectFile objFile = FileFactory.createObjectFileDisk(filename);