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/* * Copyright 2018 Bitwise IO, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ----------------------------------------------------------------------------- */ //! Contains components that are used to directly execute a `Transaction` //! and return a `execution::adapter::ExecutionResult`. pub mod adapter; pub mod executor; use crate::protocol::transaction::TransactionPair; /// A Transaction Family Descriptor #[derive(Eq, PartialEq, Debug, Hash, Clone)] pub struct TransactionFamily { family_name: String, family_version: String, } impl TransactionFamily { /// Constructs a new Transaction Family Descriptor. pub fn new(family_name: String, family_version: String) -> Self { TransactionFamily { family_name, family_version, } } /// Creates a Transaction Family Descriptor using the information in a TransactionPair. pub fn from_pair(transaction_pair: &TransactionPair) -> Self { Self::new( transaction_pair.header().family_name().to_string(), transaction_pair.header().family_version().to_string(), ) } pub fn family_name(&self) -> &str { &self.family_name } pub fn family_version(&self) -> &str { &self.family_version } } /// The registry of transaction families pub trait ExecutionRegistry: Send { /// Register the given transaction family. /// /// Adding a family to the registry indicates that the family can be processed by an /// ExecutionAdapter. fn register_transaction_family(&mut self, family: TransactionFamily); /// Unregister the given transaction family. /// /// Signals that a transaction family can no longer be processed by an ExecutionAdapter. fn unregister_transaction_family(&mut self, family: &TransactionFamily); }