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Versions: 32
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Contents
require 'forwardable'
module ActiveFedora
class FilesHash
extend Forwardable
def initialize (model)
@base = model
end
def [] (name)
association(name).reader if association(name)
end
def []= (name, object)
association(name).writer(object) if association(name)
end
def association(name)
# Check to see if the key exists before casting to a symbol, because symbols
# are not garbage collected in earlier versions of Ruby
@base.association(name.to_sym) if key?(name)
end
def reflections
@base.class.child_resource_reflections
end
def each
keys.each do |k|
yield k, self[k]
end
end
def keys
reflections.keys + @base.undeclared_files
end
# Check that the key exists with indifferent access (symbol or string) in a
# manner that avoids generating extra symbols. Symbols are not garbage collected
# in earlier versions of ruby.
def key?(key)
keys.include?(key) || keys.map(&:to_s).include?(key)
end
def values
keys.map { |k| self[k] }
end
def has_key?(key)
keys.include?(key)
end
def size
keys.size
end
def empty?
reflections.empty?
end
def each_value
keys.each do |k|
yield self[k]
end
end
def select
keys.each_with_object({}) do |k, h|
val = self[k]
h[k] = val if yield k, val
end
end
def freeze
keys.each do |name|
association(name).reader.freeze if association(name).loaded?
end
super
end
end
end
Version data entries
32 entries across 32 versions & 1 rubygems