public CustomerProjection()
{
When <CustomerCreated>(@event =>
TSql.NonQueryStatement(
"INSERT INTO [Customer] ([Id], [Name]) VALUES (@P1, @P2)",
new { P1 = TSql.UniqueIdentifier(@event.Id), P2 = TSql.NVarChar(@event.CustomerName, 40) }
));
When <CustomerNameChanged>(@event =>
TSql.NonQueryStatement(
"UPDATE [Customer] SET [Name] = @P2 WHERE [Id] = @P1",
new { P1 = TSql.UniqueIdentifier(@event.Id), P2 = TSql.NVarChar(@event.NewCustomerName, 40) }
));
When <NewUserAdded>(@event =>
TSql.NonQueryStatement(
"INSERT INTO [CustomerUser] ([Id], [CustomerId], [Name]) VALUES (@P1, @P2, @P3)",
new { P1 = TSql.UniqueIdentifier(@event.UserId),
P2 = TSql.UniqueIdentifier(@event.CustomerId),
P3 = TSql.NVarChar(@event.UserName, 40) }
));
When <UserNameChanged>(@event =>
TSql.NonQueryStatement(
"UPDATE [CustomerUser] SET [Name] = @P2 WHERE [Id] = @P1",
new { P1 = TSql.UniqueIdentifier(@event.UserId), P2 = TSql.NVarChar(@event.NewUserName, 40) }
));
When <CreateSchema>(_ =>
TSql.NonQueryStatement(
@"IF NOT EXISTS (SELECT * FROM SYSOBJECTS WHERE NAME='Customer' AND XTYPE='U')
BEGIN
CREATE TABLE [Customer] (
[Id] UNIQUEIDENTIFIER NOT NULL CONSTRAINT PK_Customer PRIMARY KEY,
[Name] NVARCHAR(MAX) NOT NULL)
END
IF NOT EXISTS (SELECT * FROM SYSOBJECTS WHERE NAME='CustomerUser' AND XTYPE='U')
BEGIN
CREATE TABLE [CustomerUser] (
[Id] UNIQUEIDENTIFIER NOT NULL CONSTRAINT PK_CustomerUser PRIMARY KEY,
[CustomerId] UNIQUEIDENTIFIER NOT NULL,
[Name] NVARCHAR(MAX) NOT NULL)
END"));
When <DropSchema>(_ => new[] {
TSql.NonQueryStatement(
@"IF EXISTS (SELECT * FROM SYSOBJECTS WHERE NAME='Customer' AND XTYPE='U')
DROP TABLE [Customer]"),
TSql.NonQueryStatement(
@"IF EXISTS (SELECT * FROM SYSOBJECTS WHERE NAME='CustomerUser' AND XTYPE='U')
DROP TABLE [CustomerUser]")
});
When <DeleteData>(_ => new [] {
TSql.NonQueryStatement(
@"IF EXISTS (SELECT * FROM SYSOBJECTS WHERE NAME='Customer' AND XTYPE='U')
DELETE FROM [Customer]"),
TSql.NonQueryStatement(
@"IF EXISTS (SELECT * FROM SYSOBJECTS WHERE NAME='CustomerUser' AND XTYPE='U')
DELETE FROM [CustomerUser]")
});
}
public void UniqueIdentifierReturnsExpectedInstance()
{
Assert.That(TSql.UniqueIdentifier(Guid.Empty), Is.EqualTo(new TSqlUniqueIdentifierValue(Guid.Empty)));
}
public void UniqueIdentifierNullReturnsExpectedInstance()
{
Assert.That(TSql.UniqueIdentifier(null), Is.EqualTo(TSqlUniqueIdentifierNullValue.Instance));
}
private void DispatchCommands()
{
if (!_isLive || Interlocked.CompareExchange(ref _isDispatching, 1, 0) != 0)
{
return;
}
var candidates = Enumerable.Repeat(new { Id = default(Guid), CausationId = default(Guid) }, 0).ToList();
using (var reader = _queryExecutor.ExecuteReader(TSql.QueryStatement(@"SELECT [Id], [CausationId] FROM [ApprovalProcess] WHERE [DispatchAcknowledged] = 0 AND ([Dispatched] IS NULL OR [Dispatched] < DATEADD(MINUTE, -5, GETDATE()))")))
{
candidates = reader.Cast <IDataRecord>()
.Select(record => new { Id = record.GetGuid(0), CausationId = record.GetGuid(1) })
.ToList();
}
foreach (var candidate in candidates)
{
var newCausationId = ApprovalProcessorConstants.DeterministicGuid.Create(candidate.CausationId);
_bus.Publish(new MarkApprovalAccepted
{
Id = candidate.Id,
ReferenceNumber = GuidEncoder.Encode(candidate.CausationId)
}, context => context.SetHeader(Constants.CausationIdKey, newCausationId.ToString()));
_queryExecutor.ExecuteNonQuery(TSql.NonQueryStatement(@"UPDATE [ApprovalProcess] SET [Dispatched] = GETDATE() WHERE [Id] = @P1", new { P1 = TSql.UniqueIdentifier(candidate.Id) }));
}
Interlocked.Exchange(ref _isDispatching, 0);
}
