public void Run()
{
var sut = new QueryPipeline(loadContext, processQuery);
var result = sut.Handle(new MyQuery {
Prefix = ":"
});
Assert.Equal(":foo", ((MyQueryResult)result.Msg).Value);
Assert.Empty(result.Notifications);
(IMessageContextModel Ctx, string Version) loadContext(IMessage msg)
{
return(new MyQueryCtx {
Value = "foo"
}, "");
}
QueryResult processQuery(IMessage msg, IMessageContextModel ctx)
{
return(new MyQueryResult {
Value = (msg as MyQuery).Prefix + (ctx as MyQueryCtx).Value
});
}
}
public Session(
LoadPipeline loadPipeline,
QueryPipeline queryPipeline,
CommitPipeline commitPipeline,
QueryFactory queryFactory,
IIdManager idManager,
IIdAccessor idAccessor,
ITrackingProvider tracking,
ISessionCache sessionCache
)
{
_sessionCache = sessionCache;
_loadPipeline = loadPipeline;
_queryPipeline = queryPipeline;
_commitPipeline = commitPipeline;
_queryFactory = queryFactory;
_idManager = idManager;
_idAccessor = idAccessor;
_tracking = tracking;
}
/// <summary>
/// Demo init.
/// </summary>
private static void Init()
{
Paging.Try1();
/*
* var config = Saritasa.Tools.Messages.Configuration.XmlConfiguration.AppConfig;
* CommandPipeline = (ICommandPipeline)config.First();
*/
// We will use in memory repository.
inMemoryMessageRepository = new InMemoryMessageRepository();
// Create command pipeline manually.
CommandPipeline = new CommandPipeline();
CommandPipeline.AddMiddlewares(
new CommandValidationMiddleware(),
new CommandHandlerLocatorMiddleware(Assembly.GetEntryAssembly()),
new CommandHandlerExecutorMiddleware(),
new RepositoryMiddleware(inMemoryMessageRepository)
);
// Create query pipeline manually.
QueryPipeline = new QueryPipeline();
QueryPipeline.AddMiddlewares(
new QueryObjectResolverMiddleware(),
new QueryExecutorMiddleware(),
new RepositoryMiddleware(inMemoryMessageRepository)
);
// Create event pipeline manually.
EventPipeline = new EventPipeline();
EventPipeline.AddMiddlewares(
new EventHandlerLocatorMiddleware(Assembly.GetEntryAssembly()),
new EventHandlerExecutorMiddleware(),
new RepositoryMiddleware(inMemoryMessageRepository)
);
}
public Settings2(string databaseName, Connection connection, ILogger logger = null)
{
Logger = logger ?? new NullLogger();
//global
IdAccessor = new IdAccessor();
IdManager = new ShortGuidIdManager();
RevisionAccessor = new RevisionAccessor();
TypeManager = new TypeManager();
Serializer = new Serializer(IdAccessor, RevisionAccessor);
//query serializer
var settings = new JsonSerializerSettings()
{
TypeNameHandling = TypeNameHandling.None,
NullValueHandling = NullValueHandling.Ignore,
ContractResolver =
new CamelCasePropertyNamesContractResolver()
{
NamingStrategy = new LocalCamelCaseNamingStrategy(true)
}
};
settings.Converters.Add(new OrderEnumConverter());
QuerySerializer = new Serializer(settings);
CouchDb = new CouchDb(databaseName, connection, Serializer, QuerySerializer, Logger);
QueryFactory = new QueryFactory(TypeManager, IdAccessor);
TransactionCoordinator = new TransactionCoordinator(CouchDb, IdAccessor, RevisionAccessor);
LoadPipeline = new LoadPipeline(CouchDb, IdManager, IdAccessor, RevisionAccessor);
CommitPipeline = new CommitPipeline(CouchDb, IdManager, RevisionAccessor, TransactionCoordinator);
QueryPipeline = new QueryPipeline(CouchDb, IdManager, IdAccessor, RevisionAccessor);
Hash = new ToLowerPassThroughHash();
}
public static IServiceCollection RegisterQueryWithPipeline <TQuery, THandler, TResponse>(this IServiceCollection services, QueryPipeline <TQuery, TResponse> pipeline)
where TQuery : IQuery <TResponse>
{
services.AddTransient(typeof(IQueryHandler <TQuery, TResponse>), typeof(THandler));
services.Decorate(typeof(IQueryHandler <TQuery, TResponse>), (obj, provider) => pipeline(obj, provider));
return(services);
}
public void Register <TMessage>(LoadContextModel load, ProcessQuery processQuery, UpdateContextModel update)
{
_broadcast.Subscribe(update);
_pipelines[typeof(TMessage)] = new QueryPipeline(load, processQuery);
}
