def update_from(new_relation, user)
check_consistency(self, new_relation, user)
def update_from(new_relation, user)
check_consistency(self, new_relation, user)
raise OSM::APIPreconditionFailedError.new("Cannot update relation #{self.id}: data or member data is invalid.")
end
self.changeset_id = new_relation.changeset_id
raise OSM::APIPreconditionFailedError.new("Cannot update relation #{self.id}: data or member data is invalid.")
end
self.changeset_id = new_relation.changeset_id
# These are hastables that store an id in the index of all
# the nodes/way/relations that have already been added.
# If the member is valid and visible then we add it to the
# These are hastables that store an id in the index of all
# the nodes/way/relations that have already been added.
# If the member is valid and visible then we add it to the
# relation, then the hash table nodes would contain:
# => {50=>true, 1=>true}
elements = { :node => Hash.new, :way => Hash.new, :relation => Hash.new }
# relation, then the hash table nodes would contain:
# => {50=>true, 1=>true}
elements = { :node => Hash.new, :way => Hash.new, :relation => Hash.new }
hash = elements[m[0].downcase.to_sym] or return false
# unless its in the cache already
unless hash.key? m[1]
# use reflection to look up the appropriate class
model = Kernel.const_get(m[0].capitalize)
# get the element with that ID
hash = elements[m[0].downcase.to_sym] or return false
# unless its in the cache already
unless hash.key? m[1]
# use reflection to look up the appropriate class
model = Kernel.const_get(m[0].capitalize)
# get the element with that ID