class FDB::Subspace

Attributes

raw_prefix[R]

Public Class Methods

new(prefix_tuple=[], raw_prefix='') click to toggle source
# File lib/fdbsubspace.rb, line 32
def initialize(prefix_tuple=[], raw_prefix='')
  @raw_prefix = raw_prefix.dup.force_encoding('BINARY') + FDB::Tuple.pack(prefix_tuple)
end

Public Instance Methods

[](name) click to toggle source
# File lib/fdbsubspace.rb, line 37
def [](name)
  Subspace.new([name], @raw_prefix)
end
as_foundationdb_key() click to toggle source
# File lib/fdbsubspace.rb, line 63
def as_foundationdb_key
  key
end
contains?(key) click to toggle source
# File lib/fdbsubspace.rb, line 59
def contains?(key)
  key.start_with? @raw_prefix
end
key() click to toggle source
# File lib/fdbsubspace.rb, line 41
def key
  @raw_prefix
end
pack(tuple) click to toggle source
# File lib/fdbsubspace.rb, line 45
def pack(tuple)
  @raw_prefix + FDB::Tuple.pack(tuple)
end
range(tuple=[]) click to toggle source
# File lib/fdbsubspace.rb, line 54
def range(tuple=[])
  rng = FDB::Tuple.range(tuple)
  [@raw_prefix + rng[0], @raw_prefix + rng[1]]
end
subspace(tuple) click to toggle source
# File lib/fdbsubspace.rb, line 67
def subspace(tuple)
  Subspace.new(tuple, @raw_prefix)
end
unpack(key) click to toggle source
# File lib/fdbsubspace.rb, line 49
def unpack(key)
  raise ArgumentError, 'Cannot unpack key that is not in subspace.' if not contains? key
  FDB::Tuple.unpack(key[@raw_prefix.length..-1])
end