Class: Moneta::Adapters::TokyoCabinet

### Home Classes Methods

### In Files

- lib/moneta/adapters/tokyocabinet.rb

### Parent

Moneta::Adapters::Memory

### Methods

- ::new
- #close
- #create
- #delete

### Files

- LICENSE

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# Moneta::Adapters::TokyoCabinet

TokyoCabinet backend @api public

### Public Class Methods

new(options = {}) click to toggle source

@param [Hash] options @option options [String] :file Database file @option options [Symbol] :type (:hdb) Database type (:bdb and :hdb possible) @option options [::TokyoCabinet::*DB] :backend Use existing backend instance

    # File lib/moneta/adapters/tokyocabinet.rb, line 12
    def initialize(options = {})
      if options[:backend]
        @backend = options[:backend]
      else
        raise ArgumentError, 'Option :file is required' unless options[:file]
        if options[:type] == :bdb
          @backend = ::TokyoCabinet::BDB.new
          @backend.open(options[:file], ::TokyoCabinet::BDB::OWRITER | ::TokyoCabinet::BDB::OCREAT)
        else
          @backend = ::TokyoCabinet::HDB.new
          @backend.open(options[:file], ::TokyoCabinet::HDB::OWRITER | ::TokyoCabinet::HDB::OCREAT)
        end or raise @backend.errmsg(@backend.ecode)
      end
    end

### Public Instance Methods

close() click to toggle source

(see Proxy#close)

    # File lib/moneta/adapters/tokyocabinet.rb, line 42
    def close
      @backend.close
      nil
    end

create(key, value, options = {}) click to toggle source

(see Proxy#create)

    # File lib/moneta/adapters/tokyocabinet.rb, line 37
    def create(key, value, options = {})
      @backend.putkeep(key, value)
    end

delete(key, options = {}) click to toggle source

(see Proxy#delete)

    # File lib/moneta/adapters/tokyocabinet.rb, line 28
    def delete(key, options = {})
      value = load(key, options)
      if value
        @backend.delete(key)
        value
      end
    end

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