Class: ProtoJ::Associations::HasManyAssociation

Inherits:
Object
  • Object
show all
Defined in:
lib/proto_j/associations/has_many_association.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(klass) ⇒ HasManyAssociation

Returns a new instance of HasManyAssociation.



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# File 'lib/proto_j/associations/has_many_association.rb', line 6

def initialize(klass)
  @klass  = klass
  @target = []
  @proxy  = CollectionProxy.new(self)
end

Instance Attribute Details

#target ⇒ Object (readonly)

Returns the value of attribute target.



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# File 'lib/proto_j/associations/has_many_association.rb', line 4

def target
  @target
end

Instance Method Details

#clear ⇒ Object 



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# File 'lib/proto_j/associations/has_many_association.rb', line 38

def clear
  @target = []
  @proxy
end

#concat(*records) ⇒ Object 



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# File 'lib/proto_j/associations/has_many_association.rb', line 16

def concat(*records)
  records = records.flatten

  records.each do |record|
    unless record.is_a?(@klass)
      raise ::ProtoJ::Exception::TypeMismatch.new("require #{@klass}, but got #{record.class}")
    end
  end

  @target.concat(records)
end

#new ⇒ Object 



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# File 'lib/proto_j/associations/has_many_association.rb', line 28

def new
  child = @klass.new
  @target << child
  child
end

#reader ⇒ Object 



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# File 'lib/proto_j/associations/has_many_association.rb', line 12

def reader
  @proxy
end

#to_hash ⇒ Object 



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# File 'lib/proto_j/associations/has_many_association.rb', line 34

def to_hash
  @target.collect { |t| t.to_hash }
end

#update(json = []) ⇒ Object 



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# File 'lib/proto_j/associations/has_many_association.rb', line 43

def update(json=[])
  new_target = []

  if json.is_a?(Array)
    array = json
  else
    array = JSON.parse(json)
  end

  if array.is_a? Array
    array.each do |item|
      new_target << @klass.new(item)
    end

    @target = new_target
  end

  @target
end