Class: RecordStore::Changeset::Change

Inherits:
Object
  • Object
show all
Defined in:
lib/record_store/changeset.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(type: nil, record: nil, id: nil) ⇒ Change 



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# File 'lib/record_store/changeset.rb', line 6

def initialize(type: nil, record: nil, id: nil)
  @type, @record, @id = type, record, id
end

Instance Attribute Details

#id ⇒ Object

Returns the value of attribute id.



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# File 'lib/record_store/changeset.rb', line 4

def id
  @id
end

#record ⇒ Object

Returns the value of attribute record.



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# File 'lib/record_store/changeset.rb', line 4

def record
  @record
end

#type ⇒ Object

Returns the value of attribute type.



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# File 'lib/record_store/changeset.rb', line 4

def type
  @type
end

Class Method Details

.addition(record) ⇒ Object 



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# File 'lib/record_store/changeset.rb', line 10

def self.addition(record)
  new(type: :addition, record: record)
end

.removal(record) ⇒ Object 



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# File 'lib/record_store/changeset.rb', line 14

def self.removal(record)
  new(type: :removal, record: record)
end

.update(id, record) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/record_store/changeset.rb', line 18

def self.update(id, record)
  raise ArgumentError.new('id cannot be nil') if id.nil?
  new(type: :update, record: record, id: id)
end

Instance Method Details

#addition? ⇒ Boolean 



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# File 'lib/record_store/changeset.rb', line 27

def addition?
  type == :addition
end

#removal? ⇒ Boolean 



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# File 'lib/record_store/changeset.rb', line 23

def removal?
  type == :removal
end

#update? ⇒ Boolean 



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# File 'lib/record_store/changeset.rb', line 31

def update?
  type == :update
end