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Contents
module Neo4j
module Wrapper
# This method is used when loading Neo4j::Node objects
#
# Reads the <tt>_classname</tt> property and tries to load the ruby class.
# The Neo4j::Core gem will use this method, because the following:
# Neo4j::Node.wrapper_proc=method(:wrapper)
#
# @param [Neo4j::Node, Neo4j:Relationship] entity the entity which might be wrapped
# @return [Object] a Ruby class wrapping the given entity
# @see Neo4j::Core::Wrapper.wrapper_proc=
def wrapper(entity)
return entity unless entity.property?(:_classname)
existing_instance = Neo4j::IdentityMap.get(entity)
return existing_instance if existing_instance
new_instance = to_class(entity[:_classname])._load_wrapper(entity)
Neo4j::IdentityMap.add(entity, new_instance)
new_instance
end
# @param [String] class_name the name we want the Class for
# @return [Class] the class corresponding to the given name
def to_class(class_name)
class_name.split("::").inject(Kernel) { |container, name| container.const_get(name.to_s) }
end
extend self
Neo4j::Node.wrapper_proc=method(:wrapper)
Neo4j::Relationship.wrapper_proc=method(:wrapper)
end
end
Version data entries
22 entries across 22 versions & 1 rubygems