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DataMapper::SubjectSet::NameCache

An {OrderedSet::Cache::API} implementation that establishes set semantics based on the name of its entries. The cache uses the entries’ names as cache key and refuses to add entries that don’t respond_to?(:name).

@see OrderedSet::Cache::API

@api private

Public Instance Methods

key_for(entry) click to toggle source

Given an entry, return the key to be used in the cache

@param [name] entry

the entry to get the key for

@return [to_s, nil]

the entry's name or nil if the entry isn't #valid?

@api private

# File lib/dm-core/support/subject_set.rb, line 76
def key_for(entry)
  valid?(entry) ? entry.name : nil
end
valid?(entry) click to toggle source

Tests if the given entry qualifies to be added to the cache

@param [name] entry

the entry to be checked

@return [Boolean]

true if the entry respond_to?(:name)

@api private

# File lib/dm-core/support/subject_set.rb, line 63
def valid?(entry)
  entry.respond_to?(:name)
end

[Validate]

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