protected RocksDb(IntPtr handle, DbOptions dbOptions, ColumnFamilies columnFamilyOptions, Dictionary <string, ColumnFamilyHandleInternal> cfHandleMap = null)
{
this.Handle = handle;
if (dbOptions != null)
{
References.Options = dbOptions.References;
}
if (columnFamilyOptions != null)
{
References.CfOptions = columnFamilyOptions.Select(cfd => cfd.Options.References).ToArray();
}
this.columnFamilies = cfHandleMap;
}
public static RocksDb OpenReadOnly(DbOptions options, string path, ColumnFamilies columnFamilies, bool errIfLogFileExists)
{
string[] cfnames = columnFamilies.Names.ToArray();
IntPtr[] cfoptions = columnFamilies.OptionHandles.ToArray();
IntPtr[] cfhandles = new IntPtr[cfnames.Length];
IntPtr db = Native.Instance.rocksdb_open_for_read_only_column_families(options.Handle, path, cfnames.Length, cfnames, cfoptions, cfhandles, errIfLogFileExists);
var cfHandleMap = new Dictionary <string, ColumnFamilyHandleInternal>();
foreach (var pair in cfnames.Zip(cfhandles.Select(cfh => new ColumnFamilyHandleInternal(cfh)), (name, cfh) => new { Name = name, Handle = cfh }))
{
cfHandleMap.Add(pair.Name, pair.Handle);
}
return(new RocksDb(db,
optionsReferences: options.References,
cfOptionsRefs: columnFamilies.Select(cfd => cfd.Options.References).ToArray(),
columnFamilies: cfHandleMap));
}
