Module: Rufus::Tokyo::TokyoContainerMixin

Included in:
Table
Defined in:
lib/rufus/tokyo/base.rb

Overview

Some constants shared by most of Tokyo Cabinet APIs

(Used only by rufus/tokyo/cabinet/table for now)

Constant Summary collapse

OREADER =

some Tokyo constants

1 << 0
OWRITER =

open as a reader

1 << 1
OCREAT =

open as a writer

1 << 2
OTRUNC =

writer creating

1 << 3
ONOLCK =

writer truncating

1 << 4
OLCKNB =

open without locking

1 << 5
OTSYNC =

lock without blocking

1 << 6

Instance Method Summary collapse

Instance Method Details

#compute_open_mode(params) ⇒ Object

Given params (array or hash), computes the open mode (an int) for the Tokyo Cabinet object.



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# File 'lib/rufus/tokyo/base.rb', line 77

def compute_open_mode (params)

  params = params_to_h(params)

  {
    :read => OREADER,
    :reader => OREADER,
    :write => OWRITER,
    :writer => OWRITER,
    :create => OCREAT,
    :truncate => OTRUNC,
    :no_lock => ONOLCK,
    :lock_no_block => OLCKNB,
    :sync_every => OTSYNC

  }.inject(0) { |r, (k, v)|

    r = r | v if params[k]; r
  }
end

#params_to_h(params) ⇒ Object

Makes sure that a set of parameters is a hash (will transform an array into a hash if necessary)



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# File 'lib/rufus/tokyo/base.rb', line 66

def params_to_h (params)

  params.is_a?(Hash) ?
    params :
    Array(params).inject({}) { |h, e| h[e] = true; h }
end