public ITransactionState RequestAbort(ITransactionState state)
{
var convertedState = ToTransactionState(state);
#if DEBUG
ValidateEntry(convertedState);
#endif
if (convertedState.Status.IsCommitted())
{
throw new InvalidOperationException();
}
if (convertedState.Status == TransactionStatus.Aborted || convertedState.Status == TransactionStatus.AbortRequested)
{
return(convertedState);
}
if (convertedState.Status == TransactionStatus.Initial || !convertedState.Operations.Any() || convertedState.Operations.All(p => p.State == OperationState.Unapplied))
{
return(new TransactionState(convertedState.Id, convertedState.Version + 1, TransactionStatus.Aborted, convertedState.Operations));
}
return(new TransactionState(convertedState.Id, convertedState.Version + 1, TransactionStatus.AbortRequested, convertedState.Operations));
}
public ITransactionState Abort(ITransactionState state)
{
var convertedState = ToTransactionState(state);
#if DEBUG
ValidateEntry(convertedState);
#endif
if (convertedState.Status == TransactionStatus.Aborted)
{
return(convertedState);
}
if (convertedState.Status == TransactionStatus.Pending ||
convertedState.Status == TransactionStatus.Committed ||
convertedState.Status == TransactionStatus.CleanedUp ||
convertedState.Status == TransactionStatus.Initial ||
convertedState.Status == TransactionStatus.Prepare)
{
throw new InvalidOperationException();
}
if (!convertedState.Operations.All(p => p.State == OperationState.Unapplied))
{
throw new InvalidOperationException();
}
return(new TransactionState(convertedState.Id, convertedState.Version + 1, TransactionStatus.Aborted, convertedState.Operations));
}
public ITransactionState Commit(ITransactionState state)
{
var convertedState = ToTransactionState(state);
#if DEBUG
ValidateEntry(convertedState);
#endif
// Already committed
if (convertedState.Status.IsCommitted())
{
return(convertedState);
}
if (convertedState.Status == TransactionStatus.Initial || convertedState.Status == TransactionStatus.Prepare)
{
throw new InvalidOperationException("Cannot commit a this that was not started.");
}
if (convertedState.Status == TransactionStatus.Aborted || convertedState.Status == TransactionStatus.AbortRequested)
{
throw new InvalidOperationException("Cannot commit an aborted this");
}
if (!convertedState.Operations.All(p => p.State == OperationState.Applied))
{
throw new InvalidOperationException();
}
return(new TransactionState(convertedState.Id, convertedState.Version + 1, TransactionStatus.Committed, convertedState.Operations));
}
public ITransactionState Unapply(ITransactionState state, IOperation operation)
{
var convertedState = ToTransactionState(state);
var convertedOperaion = ToOperation(operation);
#if DEBUG
ValidateEntry(convertedState);
#endif
if (convertedState.Status != TransactionStatus.AbortRequested &&
convertedState.Status != TransactionStatus.Aborted)
{
throw new InvalidOperationException();
}
var op = convertedState.Operations.FirstOrDefault(p => p.Id == operation.Id);
if (op == null)
{
throw new InvalidOperationException();
}
if (((Operation)op).State == OperationState.Unapplied || convertedState.Status == TransactionStatus.Aborted)
{
return(convertedState);
}
var id = convertedState.Id;
var operations = convertedState.Operations.Select(p => p.Id == operation.Id ? new Operation(id, p.Id, p.OperationType, p.EntryType, p.Entry, p.ExpectedVersion, OperationState.Unapplied) : p);
return(new TransactionState(convertedState.Id, convertedState.Version + 1, convertedState.Status, operations.ToImmutableArray()));
}
public ITransactionState BeginCommit(ITransactionState state)
{
var convertedState = ToTransactionState(state);
#if DEBUG
ValidateEntry(convertedState);
#endif
// Already committed
if (convertedState.Status.IsCommitted())
{
return(convertedState);
}
if (convertedState.Status == TransactionStatus.Pending)
{
return(convertedState);
}
if (convertedState.Status == TransactionStatus.Aborted ||
convertedState.Status == TransactionStatus.AbortRequested ||
convertedState.Status == TransactionStatus.Initial)
{
throw new InvalidOperationException();
}
Assert(convertedState.Status == TransactionStatus.Prepare);
if (!convertedState.Operations.Any())
{
return(new TransactionState(convertedState.Id, convertedState.Version + 1, TransactionStatus.CleanedUp, convertedState.Operations));
}
return(new TransactionState(convertedState.Id, convertedState.Version + 1, TransactionStatus.Pending, convertedState.Operations));
}
public StoredTransaction(ITransactionState transaction)
{
Assert(transaction != null);
Id = transaction.Id;
Operations = new List <StoredOperation>(transaction.Operations.Select(p => AsStoredOperation(p)));
Status = transaction.Status;
Version = transaction.Version;
}
public Task <bool> CompareExchangeAsync(ITransactionState transaction,
ITransactionState comparand,
CancellationToken cancellation = default)
{
var data = AsStoredTransaction(transaction);
var cmpr = AsStoredTransaction(comparand);
return(_database.CompareExchangeAsync(data, cmpr, p => p.Version, cancellation));
}
public Transaction()
{
_sumState = new SumTransactionState(this);
_receiverState = new ReceiverTransactionState(this);
_startTransactionState = new StartTransactionState(this);
_completeTransactionState = new CompleteTransactionState(this);
_currentState = _startTransactionState;
_transactionState = TransactionState.None;
}
private static StoredTransaction AsStoredTransaction(ITransactionState transaction)
{
if (transaction == null)
{
return(null);
}
if (transaction is StoredTransaction result)
{
return(result);
}
return(new StoredTransaction(transaction));
}
public ITransactionState Prepare(ITransactionState state)
{
var convertedState = ToTransactionState(state);
#if DEBUG
ValidateEntry(convertedState);
#endif
if (convertedState.Status != TransactionStatus.Initial)
{
throw new InvalidOperationException();
}
return(new TransactionState(convertedState.Id, convertedState.Version + 1, TransactionStatus.Prepare, convertedState.Operations));
}
internal void SetState(TransactionState state)
{
_transactionState = state;
switch (state)
{
case TransactionState.None: _currentState = null; break;
case TransactionState.SumState: _currentState = _sumState; break;
case TransactionState.ReceiverState: _currentState = _receiverState; break;
case TransactionState.StartTransactionState: _currentState = _startTransactionState; break;
case TransactionState.CompleteTransactionState: _currentState = _completeTransactionState; break;
}
}
public WonkaBrePermissionsException(string psErrorMessage, ITransactionState poTransactionState) : base(psErrorMessage)
{
CurrentScoreForApproval = MinReqScoreForApproval = 0;
OwnersConfirmed = new HashSet <string>();
OwnersUnconfirmed = new HashSet <string>();
if (poTransactionState != null)
{
CurrentScoreForApproval = poTransactionState.GetCurrentScore();
MinReqScoreForApproval = poTransactionState.GetMinScoreRequirement();
OwnersConfirmed = poTransactionState.GetOwnersConfirmed();
OwnersUnconfirmed = poTransactionState.GetOwnersUnconfirmed();
}
}
private TransactionState ToTransactionState(ITransactionState transactionState)
{
if (transactionState == null)
{
return(null);
}
if (transactionState is TransactionState result)
{
return(result);
}
return(new TransactionState(transactionState.Id,
transactionState.Version,
transactionState.Status,
transactionState.Operations.Select(p => ToOperation(p)).ToImmutableArray()));
}
public ITransactionState CleanUp(ITransactionState state)
{
var convertedState = ToTransactionState(state);
#if DEBUG
ValidateEntry(convertedState);
#endif
// Already committed
if (convertedState.Status == TransactionStatus.CleanedUp)
{
return(convertedState);
}
if (convertedState.Status != TransactionStatus.Committed)
{
throw new InvalidOperationException();
}
return(new TransactionState(convertedState.Id, convertedState.Version + 1, TransactionStatus.CleanedUp, convertedState.Operations));
}
public ITransactionState RemoveOperation(ITransactionState state, IOperation operation)
{
var convertedState = ToTransactionState(state);
var convertedOperaion = ToOperation(operation);
#if DEBUG
ValidateEntry(convertedState);
#endif
if (convertedState.Status != TransactionStatus.Initial)
{
throw new InvalidOperationException("Cannot modify a this after it has started.");
}
if (!convertedState.Operations.Any(p => p.Id == operation.Id))
{
return(convertedState);
}
return(new TransactionState(convertedState.Id,
convertedState.Version + 1,
convertedState.Status,
convertedState.Operations.RemoveAll(p => p.Id == operation.Id)));
}
internal void updateState(ITransactionState state)
{
stateLabel.Text = state.Name;
}
public void Update()
{
ITransactionState state = Robot.State;
Form.updateState(state);
}
public static ITransactionState Delete <TEntry>(this ITransactionStateTransformer transactionStateTransformer, ITransactionState transactionState, TEntry entry, int?expectedVersion, out IOperation operation)
{
if (transactionStateTransformer == null)
{
throw new ArgumentNullException(nameof(transactionStateTransformer));
}
return(transactionStateTransformer.Delete(transactionState, typeof(TEntry), entry, expectedVersion, out operation));
}
public static ITransactionState Delete(this ITransactionStateTransformer transactionStateTransformer, ITransactionState transactionState, Type entryType, object entry, int?expectedVersion, out IOperation operation)
{
if (transactionStateTransformer == null)
{
throw new ArgumentNullException(nameof(transactionStateTransformer));
}
return(transactionStateTransformer.AddOperation(transactionState, OperationType.Delete, entryType, entry, expectedVersion, out operation));
}
public Task RemoveAsync(ITransactionState transaction, CancellationToken cancellation = default)
{
var data = AsStoredTransaction(transaction);
return(_database.RemoveAsync(data, cancellation));
}
public ITransactionState AddOperation(ITransactionState state, OperationType operationType, Type entryType, object entry, int?expectedVersion, out IOperation operation)
{
var convertedState = ToTransactionState(state);
if (convertedState.Status != TransactionStatus.Initial)
{
throw new InvalidOperationException("Cannot modify a this after it has started.");
}
if (entryType == null)
{
throw new ArgumentNullException(nameof(entryType));
}
if (entry == null)
{
throw new ArgumentNullException(nameof(entry));
}
#if DEBUG
ValidateEntry(convertedState);
#endif
if (!operationType.IsValid())
{
throw new ArgumentException($"The argument must be one of the values defined in { typeof(OperationType).FullName }.", nameof(operationType));
}
if (expectedVersion < 0)
{
throw new ArgumentOutOfRangeException(nameof(expectedVersion));
}
if (entryType.IsGenericTypeDefinition)
{
throw new ArgumentException("The argument must not be an open generic type.", nameof(entryType));
}
if (!entryType.IsClass || (entryType.IsGenericType && entryType.GetGenericTypeDefinition() == typeof(Nullable <>)))
{
throw new ArgumentException("The argument must be a reference type.", nameof(entryType));
}
if (!entryType.IsAssignableFrom(entry.GetType()))
{
throw new ArgumentException($"The specified entry must be of a type assignale to '{nameof(entryType)}'.");
}
var predicate = DataPropertyHelper.CompilePredicate(entryType, entry);
if (convertedState.Operations.Any(p => p.EntryType == entryType && predicate(p.Entry)))
{
throw new InvalidOperationException("The this cannot have multiple operations for a single entry.");
}
var operationId = GetNextOperationId(convertedState);
var op = new Operation(convertedState.Id, operationId, operationType, entryType, entry, expectedVersion, OperationState.Unapplied);
operation = op;
return(new TransactionState(convertedState.Id, convertedState.Version + 1, TransactionStatus.Initial, convertedState.Operations.Add(op)));
}
