Class: Safrano::Attribute

Inherits:
Object
  • Object
show all
Includes:
Transitions
Defined in:
lib/odata/attribute.rb

Overview

Represents a named and valued attribute of an Entity

Defined Under Namespace

Modules: Transitions

Constant Summary

Constants included from Transitions

Transitions::ALLOWED_TRANSITIONS

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Transitions

#allowed_transitions, #transition_end, #transition_value

Methods included from Transitions::GetNextTrans::BySimpleDetect

#get_next_transresult

Constructor Details

#initialize(entity, name) ⇒ Attribute

Returns a new instance of Attribute.



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# File 'lib/odata/attribute.rb', line 13

def initialize(entity, name)
  @entity = entity
  @name = name
  @allowed_transitions = ALLOWED_TRANSITIONS
end

Instance Attribute Details

#entity ⇒ Object (readonly)

Returns the value of attribute entity.



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# File 'lib/odata/attribute.rb', line 11

def entity
  @entity
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/odata/attribute.rb', line 10

def name
  @name
end

Instance Method Details

#==(other) ⇒ Object

for testing purpose (assert_equal …)



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# File 'lib/odata/attribute.rb', line 48

def ==(other)
  (@entity == other.entity) && (@name == other.name)
end

#odata_get(req) ⇒ Object 



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# File 'lib/odata/attribute.rb', line 31

def odata_get(req)
  if req.walker.raw_value
    [200, CT_TEXT, value.to_s]
  elsif req.accept?(APPJSON)
    # json is default content type so we dont need to specify it here again
    [200, EMPTY_HASH, to_odata_json(service: req.service)]
  else # TODO: other formats
    406
  end
end

#to_odata_json ⇒ Object

output as OData json (v2)



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# File 'lib/odata/attribute.rb', line 43

def to_odata_json(*)
  { 'd' => { @name => value } }.to_json
end

#value ⇒ Object 



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# File 'lib/odata/attribute.rb', line 19

def value
  # WARNING ... this require more work to handle the timezones topci
  # currently it is just set to make some minimal testcase work
  # See also model_ext.rb
  case (v = @entity.values[@name.to_sym])
  when Date, Time, DateTime
    v.to_edm_json
  else
    v
  end
end