Class: Meteor::AttributeMap

Inherits:

Object

• Object
• Meteor::AttributeMap

show all

Defined in:

lib/meteor.rb,
lib/meteor.rb

Overview

Instance Attribute Summary (collapse)

• - (Object) map

  Returns the value of attribute map.

• - (Object) recordable

  Returns the value of attribute recordable.

Instance Method Summary (collapse)

• - (String) [](name)

  get attribute value using attribute name (属性名で属性値を取得する).

• - (Object) []=(name, value)

  set a couple of attribute name and attribute value (属性名と属性値を対としてセットする).

• - (true, false) changed(name)

  get update flag of attribute using attribute name (属性名で属性の変更フラグを取得する).

• - (Object) delete(name)

  delete attribute using attribute name (属性名に対応した属性を削除する).

• - (String) fetch(name)

  get attribute value using attribute name (属性名で属性値を取得する).

• - (AttributeMap) initialize(*args) constructor

  initializer (イニシャライザ).

• - (Object) initialize_0

  initializer (イニシャライザ).

• - (Object) initialize_1(attr_map)

  initializer (イニシャライザ).

• - (Array) names

  get attribute name array (属性名配列を取得する).

• - (true, false) removed(name)

  get delete flag of attribute using attribute name (属性名で属性の削除状況を取得する).

• - (Object) store(name, value)

  set a couple of attribute name and attribute value (属性名と属性値を対としてセットする).

477
478
479
480
481
482
483
484
485
486

# File 'lib/meteor.rb', line 477

def initialize(*args)
  case args.length
    when ZERO
      initialize_0
    when ONE
      initialize_1(args[0])
    else
      raise ArgumentError
  end
end

586
587
588

# File 'lib/meteor.rb', line 586

def map
  @map
end

587
588
589

# File 'lib/meteor.rb', line 587

def recordable
  @recordable
end

605
606
607

# File 'lib/meteor.rb', line 605

def [](name)
  fetch(name)
end

595
596
597

# File 'lib/meteor.rb', line 595

def []=(name, value)
  store(name, value)
end

570
571
572
573
574

# File 'lib/meteor.rb', line 570

def changed(name)
  if @map[name] then
    @map[name].changed
  end
end

559
560
561
562
563
564

# File 'lib/meteor.rb', line 559

def delete(name)
  if @recordable && @map[name] then
    @map[name].removed = true
    @map[name].changed = false
  end
end

549
550
551
552
553

# File 'lib/meteor.rb', line 549

def fetch(name)
  if @map[name] && !@map[name].removed then
    @map[name].value
  end
end

492
493
494
495
496

# File 'lib/meteor.rb', line 492

def initialize_0
  @map = Hash.new
  @names = Array.new
  @recordable = false
end

501
502
503
504
505
506

# File 'lib/meteor.rb', line 501

def initialize_1(attr_map)
  #@map = Marshal.load(Marshal.dump(attr_map.map))
  @map = attr_map.map.dup
  @names = Array.new(attr_map.names)
  @recordable = attr_map.recordable
end

537
538
539

# File 'lib/meteor.rb', line 537

def names
  @names
end

580
581
582
583
584

# File 'lib/meteor.rb', line 580

def removed(name)
  if @map[name] then
    @map[name].removed
  end
end

512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532

# File 'lib/meteor.rb', line 512

def store(name, value)

  if !@map[name] then
    attr = Attribute.new
    attr.name = name
    attr.value = value
    if @recordable then
      attr.changed = true
      attr.removed = false
    end
    @map[name] = attr
    @names << name
  else
    attr = @map[name]
    if @recordable && attr.value != value then
      attr.changed = true
      attr.removed = false
    end
    attr.value = value
  end
end