Class: Dbee::Model::Relationships::Basic

Inherits:
Object
  • Object
show all
Defined in:
lib/dbee/model/relationships/basic.rb

Overview

A relationship from one model to another.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name:, constraints: [], model: nil) ⇒ Basic

Returns a new instance of Basic.

Raises:

  • (ArgumentError) 


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# File 'lib/dbee/model/relationships/basic.rb', line 19

def initialize(name:, constraints: [], model: nil)
  @name = name
  raise ArgumentError, 'name is required' if name.to_s.empty?

  @constraints = Constraints.array(constraints || []).uniq
  @model = model

  freeze
end

Instance Attribute Details

#constraints ⇒ Object (readonly)

Returns the value of attribute constraints.



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# File 'lib/dbee/model/relationships/basic.rb', line 17

def constraints
  @constraints
end

#model ⇒ Object (readonly)

Returns the value of attribute model.



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# File 'lib/dbee/model/relationships/basic.rb', line 17

def model
  @model
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/dbee/model/relationships/basic.rb', line 17

def name
  @name
end

Instance Method Details

#==(other) ⇒ Object Also known as: eql? 



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# File 'lib/dbee/model/relationships/basic.rb', line 37

def ==(other)
  other.instance_of?(self.class) &&
    other.name == name &&
    other.constraints == constraints &&
    other.model == model
end

#hash ⇒ Object 



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# File 'lib/dbee/model/relationships/basic.rb', line 33

def hash
  [self.class.hash, name.hash, constraints.hash, model.hash].hash
end

#model_name ⇒ Object 



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# File 'lib/dbee/model/relationships/basic.rb', line 29

def model_name
  model || name
end