public static void UseEntityFrameworkCoreSagaRepository(this IJobServiceConfigurator configurator, Func<JobServiceSagaDbContext> contextFactory,
ILockStatementProvider lockStatementProvider = default)
{
configurator.Repository = EntityFrameworkSagaRepository<JobTypeSaga>.CreatePessimistic(contextFactory, lockStatementProvider);
configurator.JobRepository = EntityFrameworkSagaRepository<JobSaga>.CreatePessimistic(contextFactory, lockStatementProvider);
configurator.JobAttemptRepository = EntityFrameworkSagaRepository<JobAttemptSaga>.CreatePessimistic(contextFactory, lockStatementProvider);
}
public static ISagaRepository <TSaga> CreatePessimistic(ISagaDbContextFactory <TSaga> dbContextFactory,
ILockStatementProvider lockStatementProvider = null,
Func <IQueryable <TSaga>, IQueryable <TSaga> > queryCustomization = null)
{
var statementProvider = lockStatementProvider ?? new SqlServerLockStatementProvider();
var queryExecutor = new PessimisticLoadQueryExecutor <TSaga>(statementProvider, queryCustomization);
var lockStrategy = new PessimisticSagaRepositoryLockStrategy <TSaga>(queryExecutor, IsolationLevel.Serializable);
return(CreateRepository(dbContextFactory, lockStrategy));
}
public PessimisticLoadQueryExecutor(ILockStatementProvider lockStatementProvider, Func <IQueryable <TSaga>, IQueryable <TSaga> > queryCustomization)
{
_lockStatementProvider = lockStatementProvider;
_queryCustomization = queryCustomization;
}
public static ISagaRepository <TSaga> CreatePessimistic(Func <DbContext> dbContextFactory, ILockStatementProvider lockStatementProvider = null,
Func <IQueryable <TSaga>, IQueryable <TSaga> > queryCustomization = null)
{
return(CreatePessimistic(new DelegateSagaDbContextFactory <TSaga>(dbContextFactory), lockStatementProvider, queryCustomization));
}
public EntityFrameworkSagaRepositoryConfigurator()
{
_isolationLevel = IsolationLevel.Serializable;
_concurrencyMode = ConcurrencyMode.Pessimistic;
_lockStatementProvider = new SqlServerLockStatementProvider();
}
public EntityFrameworkTestFixture()
{
_testDbParameters = new TTestDbParameters();
DbContextOptionsBuilder = _testDbParameters.GetDbContextOptions(typeof(TDbContext));
RawSqlLockStatements = _testDbParameters.RawSqlLockStatements;
}
private static IServiceProvider New(Action <DbContextOptionsBuilder> configureDbContext, ILockStatementProvider lockStatementProvider = null)
{
var services = new ServiceCollection();
services
.AddLogging(logging => logging.AddConsole())
.Configure <LoggerFilterOptions>(loggerConfig => loggerConfig.MinLevel = LogLevel.Information)
.AddDbContext <GreetingsDbContext>(configureDbContext)
.AddMassTransit(massTransit =>
{
massTransit.AddSagaStateMachine <GreetingsStateMachine, GreetingsState>()
.EntityFrameworkRepository(entityFramework =>
{
if (lockStatementProvider != null)
{
entityFramework.LockStatementProvider = lockStatementProvider;
}
entityFramework.ExistingDbContext <GreetingsDbContext>();
});
massTransit.UsingInMemory((context, bus) =>
{
bus.ReceiveEndpoint("greetings", endpoint =>
{
endpoint.StateMachineSaga <GreetingsState>(context);
});
});
});
return(services.BuildServiceProvider());
}