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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);
}