Class: Nemo::MetaObject::MultipleAttribute

Inherits:
Attribute
  • Object
show all
Defined in:
lib/nemo/metaobject/attributes.rb

Instance Attribute Summary

Attributes inherited from Attribute

#cache, #metaobject, #symbol, #validation_rules

Instance Method Summary collapse

Methods inherited from Attribute

#add_validation_rule, #commit_cache, #error_class, #format, #required, #required?, #rule_class, #validate_cache, #value

Methods included from Util::Accessors

#bool_accessor, #call_accessor, #proc_accessor

Constructor Details

#initialize(symbol) ⇒ MultipleAttribute

Returns a new instance of MultipleAttribute.



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# File 'lib/nemo/metaobject/attributes.rb', line 164

def initialize(symbol)
  super
  @multiple_attribute = true
  @item_limit = 1_000_000
  @item_delete = true
end

Instance Method Details

#accept(visitor) ⇒ Object 



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# File 'lib/nemo/metaobject/attributes.rb', line 175

def accept(visitor)
  visitor.visit_multiple_attribute(self)
end

#add_required_rule ⇒ Object 



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# File 'lib/nemo/metaobject/attributes.rb', line 171

def add_required_rule
  add_validation_rule { |value| ! value.to_s.empty? }.error_string('required')
end

#add_to_cache(item) ⇒ Object 



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# File 'lib/nemo/metaobject/attributes.rb', line 183

def add_to_cache(item)
  @cache ||= Array.new
  @cache << item
end

#formatted_value ⇒ Object 



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# File 'lib/nemo/metaobject/attributes.rb', line 179

def formatted_value
  value.collect { |item| format(item) }
end

#refresh_cache ⇒ Object 



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# File 'lib/nemo/metaobject/attributes.rb', line 188

def refresh_cache
  @cache = value.collect
  @cache = @cache[0,@item_limit] if @cache.size > @item_limit
end

#remove_from_cache(item) ⇒ Object 



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# File 'lib/nemo/metaobject/attributes.rb', line 193

def remove_from_cache(item)
  cache.delete(item)
end