Class: Monkeyshines::Store::TokyoTdbKeyStore

Inherits:
KeyStore show all
Defined in:
lib/wukong/store/tokyo_tdb_key_store.rb

Overview

Implementation of KeyStore with a Local TokyoCabinet table database (TDB)

Instance Attribute Summary

Attributes inherited from KeyStore

#db

Instance Method Summary collapse

Methods inherited from KeyStore

#[], #close, #each, #get, new_from_command_line

Constructor Details

#initialize(db_uri, *args) ⇒ TokyoTdbKeyStore

pass in the filename or URI of a tokyo cabinet table-style DB set create_db = true if you want to create a missing DB file



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# File 'lib/wukong/store/tokyo_tdb_key_store.rb', line 11

def initialize db_uri, *args
  self.db = TokyoCabinet::TDB.new
  db.open(db_uri, TokyoCabinet::TDB::OWRITER) or raise "#{self.class.to_s}: Can't open TokyoCabinet TDB #{db_uri}"
  super *args
end

Instance Method Details

#each_as(klass, &block) ⇒ Object 



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# File 'lib/wukong/store/tokyo_tdb_key_store.rb', line 18

def each_as klass, &block
  self.each do |key, hsh|
    yield klass.from_hash hsh
  end
end

#set(key, val) ⇒ Object

Delegate to store



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# File 'lib/wukong/store/tokyo_tdb_key_store.rb', line 24

def set(key, val)
  return unless val
  db.put key, val.to_hash.compact
end

#size ⇒ Object 



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# File 'lib/wukong/store/tokyo_tdb_key_store.rb', line 29

def size()        db.rnum  end