/// <summary>
/// 添加事务准备
/// </summary>
/// <param name="transactionPreparation">事务准备</param>
protected void AddTransactionPreparation(ITransactionPreparation transactionPreparation)
{
if (_transactionPreparations == null)
{
_transactionPreparations = new Dictionary <string, ITransactionPreparation>();
}
_transactionPreparations.Add(transactionPreparation.TransactionId, transactionPreparation);
}
/// <summary>
/// 预提交
/// </summary>
/// <param name="transactionPreparation">事务准备</param>
public void PreCommit(ITransactionPreparation transactionPreparation)
{
if (transactionPreparation == null)
{
throw new ArgumentNullException(nameof(transactionPreparation));
}
if (SupportedTransactionParticipantTypes == null || !SupportedTransactionParticipantTypes.Contains(transactionPreparation.GetType()))
{
throw new ApplicationException($"Unknown transaction preparation {transactionPreparation.GetType().Name} for aggregate root {this.GetType().Name}, id={Id}.");
}
InternalPreCommit(transactionPreparation);
}
/// <summary>
/// 预提交
/// </summary>
/// <param name="transactionPreparation">事务准备</param>
public void PreCommit(ITransactionPreparation transactionPreparation)
{
if (transactionPreparation == null)
{
throw new ArgumentNullException(nameof(transactionPreparation));
}
if (SupportedTransactionParticipantTypes == null || !SupportedTransactionParticipantTypes.Contains(transactionPreparation.GetType()))
{
throw new ApplicationException($"Unknown transaction preparation {transactionPreparation.GetType().Name} for aggregate root {this.GetType().Name}, id={Id}.");
}
if (PreventPreCommitOrNotIfTransactionProcessing && IsTransactionProcessing)
{
throw new AlreadyStartTransactionWhenPreCommitDomainException <TTransactionInitiator, TAggregateRootId>(transactionPreparation.GetType().FullName, transactionPreparation.GetTransactionPreparationInfo());
}
InternalPreCommit(transactionPreparation);
}
/// <summary>
/// 添加一笔预操作
/// </summary>
/// <param name="transactionPreparation"></param>
protected override void InternalPreCommit(ITransactionPreparation transactionPreparation)
{
var availableBalance = GetAvailableBalance();
if (transactionPreparation is WithdrawTransactionPreparation)
{
var theTransactionPreparation = transactionPreparation as WithdrawTransactionPreparation;
if (availableBalance < theTransactionPreparation.Amount)
{
throw new InsufficientBalanceDomainException(theTransactionPreparation.GetType().FullName, theTransactionPreparation.GetTransactionPreparationInfo(), theTransactionPreparation.Amount, _balance, availableBalance);
}
ApplyEvent(new WithdrawTransactionPreCommitSucceedEvent(theTransactionPreparation));
}
else if (transactionPreparation is DepositTransactionPreparation)
{
var theTransactionPreparation = transactionPreparation as DepositTransactionPreparation;
ApplyEvent(new DepositTransactionPreCommitSucceedEvent(theTransactionPreparation));
}
}
/// <summary> /// 预提交 /// </summary> /// <param name="transactionPreparation">事务准备</param> protected abstract void InternalPreCommit(ITransactionPreparation transactionPreparation);