# File lib/bio/io/flatfile/bdb.rb, line 44
44:       def initialize(name, filename, *arg)
45:         @dbname = name
46:         @file = nil
47:         @filename = filename
48:         #self.open(*arg)
49:       end

    # File lib/bio/io/flatfile/bdb.rb, line 73
73:       def [](arg)
74:         #self.open
75:         if @file then
76:           @file[arg]
77:         else
78:           nil
79:         end
80:       end

    # File lib/bio/io/flatfile/bdb.rb, line 82
82:       def []=(key, val)
83:         #self.open
84:         @file[key.to_s] = val.to_s
85:       end

    # File lib/bio/io/flatfile/bdb.rb, line 64
64:       def close
65:         if @file
66:           DEBUG.print "BDBwrapper: close #{filename}\n"
67:           @file.close
68:           @file = nil
69:         end
70:         nil
71:       end

    # File lib/bio/io/flatfile/bdb.rb, line 51
51:       def filename
52:         File.join(@dbname, @filename)
53:       end

     # File lib/bio/io/flatfile/bdb.rb, line 95
 95:       def keys
 96:         if @file then
 97:           @file.keys
 98:         else
 99:           []
100:         end
101:       end

    # File lib/bio/io/flatfile/bdb.rb, line 55
55:       def open(flag = BDBdefault.flag_read,
56:                permission = BDBdefault.permission)
57:         unless @file then
58:           DEBUG.print "BDBwrapper: open #{filename}\n"
59:           @file = BDB::Btree.open(filename, nil, flag, permission)
60:         end
61:         true
62:       end

    # File lib/bio/io/flatfile/bdb.rb, line 87
87:       def writeback_array(prefix, array, *arg)
88:         self.close
89:         self.open(*arg)
90:         array.each_with_index do |val, key|
91:           @file["#{prefix}#{key}"] = val.to_s
92:         end
93:       end