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Contents
require 'yaml'
module Universa
# Work iun progress, not to use as for now.
#
# The storage interface capable to store contracts in chains, providing search and attributes.
# This class is not a store itself but the base class for it, having common boilerplate and
# sort of interface to implement. _Under development, we might change it_
class ChainStore
# Save contract to the store. When this method returns, the contract must me already stored.
# If the contract with such hasId is already stored, just returns it.
#
# @param [Object] contract to store
# @return [StoredContract] for this contract
def store_contract(contract)
raise NotImplementedError
end
# Same as {#store_contract} but returns store
# @param [Contract] contract to add
# @return [ChainStore] self
def <<(contract)
store_contract(contract)
self
end
# @return [Contract] with the corresponding id or nil
# @param [HashId] hash_id instance to look for
def find_by_id(hash_id)
raise NotImplementedError
end
# Count contracts in the store. This operation could be slow.
def count
raise NotImplementedError
end
# @return [Contract] with the corresponding id or raise.
# @param [HashId] hash_id instance to look for
# @raise [NotFoundError]
def find_by_id! hash_id
find_by_id(hash_id) or raise NotFoundError
end
# Find all contracts with this parent id.
# @param [HashId] hash_id of the parent contract
# @return [Array] all the contracts that match this criterion
def find_by_parent(hash_id)
raise NotImplementedError
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems