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Contents
module JsonRecord
# This is an array of EmbeddedDocument objects. All elments of the array must be of the same class
# and all belong to the same parent. If an array of hashes are passed in, they will all be converted
# to EmbeddedDocument objects of the class specified.
class EmbeddedDocumentArray < Array
def initialize (klass, parent, objects = [])
@klass = klass
@parent = parent
objects = [] unless objects
objects = [objects] unless objects.is_a?(Array)
objects = objects.collect do |obj|
obj = @klass.new(obj) if obj.is_a?(Hash)
if obj.is_a?(@klass)
obj.parent = parent
obj
else
raise ArgumentError.new("#{obj.inspect} is not a #{@klass}") unless obj.is_a?(@klass)
end
end
super(objects)
end
# Append an object to the array. The object must either be an EmbeddedDocument of the
# correct class, or a Hash.
def << (obj)
obj = @klass.new(obj) if obj.is_a?(Hash)
raise ArgumentError.new("#{obj.inspect} is not a #{@klass}") unless obj.is_a?(@klass)
obj.parent = @parent
super(obj)
end
# Concatenate an array of objects to the array. The objects must either be an EmbeddedDocument of the
# correct class, or a Hash.
def concat (objects)
objects = objects.collect do |obj|
obj = @klass.new(obj) if obj.is_a?(Hash)
raise ArgumentError.new("#{obj.inspect} is not a #{@klass}") unless obj.is_a?(@klass)
obj.parent = @parent
obj
end
super(objects)
end
# Similar add an EmbeddedDocument to the array and return the object. If the object passed
# in is a Hash, it will be used to make a new EmbeddedDocument.
def build (obj)
obj = @klass.new(obj) if obj.is_a?(Hash)
raise ArgumentError.new("#{obj.inspect} is not a #{@klass}") unless obj.is_a?(@klass)
obj.parent = @parent
self << obj
obj
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems