class LittleGhost::Models::Catalog::Source

Interface for catalog refresh implementations.

Attributes

Stable provenance name recorded for refreshed facts.

Public Class Methods

Source

# File lib/little_ghost/models/catalog/source.rb, line 14
def initialize(name:)
  @name = name.to_s.freeze
end

Creates a source with its provenance name.

Public Instance Methods

attribute_merge_strategies ()

Source

# File lib/little_ghost/models/catalog/source.rb, line 21
def attribute_merge_strategies = DEFAULT_ATTRIBUTE_MERGE_STRATEGIES

Returns exceptional attribute merge strategies for records from this source. Attributes replace older values unless an array is mapped to :union.

refresh (target: nil)

Source

# File lib/little_ghost/models/catalog/source.rb, line 24
def refresh(target: nil)
  raise AbstractMethodError, "#{self.class} must implement #refresh"
end

Returns normalized model records, optionally scoped to target.