private void buildAsyncDaemonAggregation()
{
var daemonBuilderIsAsync = _applyMethods.IsAsync || _createMethods.IsAsync || _shouldDeleteMethods.IsAsync;
var baseType = (daemonBuilderIsAsync ? typeof(AsyncDaemonAggregationBase <,>) : typeof(SyncDaemonAggregationBase <,>))
.MakeGenericType(typeof(T), _aggregateMapping.IdType);
_asyncDaemonType =
_assembly.AddType(GetType().Name.Sanitize() + "AsyncDaemonAggregation", baseType);
_asyncDaemonType.AllInjectedFields.Add(new InjectedField(_storageType));
var injectedField = new InjectedField(GetType());
_asyncDaemonType.AllInjectedFields.Add(injectedField);
// Build the create method
_createMethods.BuildCreateMethod(_asyncDaemonType, _aggregateMapping);
buildDetermineOperationMethodForDaemonRunner(daemonBuilderIsAsync);
buildAsyncDaemonSplitMethod();
_asyncDaemonType.Setters.AddRange(_applyMethods.Setters());
_asyncDaemonType.Setters.AddRange(_createMethods.Setters());
_asyncDaemonType.Setters.AddRange(_shouldDeleteMethods.Setters());
}
private void buildInlineAggregationType()
{
var inlineBaseType =
typeof(AggregationRuntime <,>).MakeGenericType(typeof(T), _aggregateMapping.IdType);
_inlineType = _assembly.AddType(GetType().NameInCode().Sanitize() + "InlineHandler", inlineBaseType);
_createMethods.BuildCreateMethod(_inlineType, _aggregateMapping);
_inlineType.AllInjectedFields.Add(new InjectedField(GetType()));
var method = buildDetermineOperationMethod();
var upsertMethod = typeof(IDocumentStorage <>).MakeGenericType(typeof(T)).GetMethod("Upsert");
var upsert = new MethodCall(_storageType, upsertMethod)
{
ReturnAction = ReturnAction.Return
};
method.Frames.Add(upsert);
_inlineType.Setters.AddRange(_applyMethods.Setters());
_inlineType.Setters.AddRange(_createMethods.Setters());
_inlineType.Setters.AddRange(_shouldDeleteMethods.Setters());
}
private void buildInlineAggregationType(GeneratedAssembly assembly)
{
var inlineBaseType = baseTypeForAggregationRuntime();
_inlineGeneratedType = assembly.AddType(_inlineAggregationHandlerType, inlineBaseType);
_createMethods.BuildCreateMethod(_inlineGeneratedType, _aggregateMapping);
_inlineGeneratedType.AllInjectedFields.Add(new InjectedField(GetType()));
buildApplyEventMethod();
_inlineGeneratedType.Setters.AddRange(_applyMethods.Setters());
_inlineGeneratedType.Setters.AddRange(_createMethods.Setters());
_inlineGeneratedType.Setters.AddRange(_shouldDeleteMethods.Setters());
}
private void buildInlineAggregationType()
{
var inlineBaseType =
typeof(AggregationRuntime <,>).MakeGenericType(typeof(T), _aggregateMapping.IdType);
_inlineType = _assembly.AddType(GetType().NameInCode().Sanitize() + "InlineHandler", inlineBaseType);
_createMethods.BuildCreateMethod(_inlineType, _aggregateMapping);
_inlineType.AllInjectedFields.Add(new InjectedField(GetType()));
buildApplyEventMethod();
_inlineType.Setters.AddRange(_applyMethods.Setters());
_inlineType.Setters.AddRange(_createMethods.Setters());
_inlineType.Setters.AddRange(_shouldDeleteMethods.Setters());
}
internal static ILiveAggregator <T> Build <T>(StoreOptions options)
{
var mapping = options.Storage.MappingFor(typeof(T));
var assembly = new GeneratedAssembly(new GenerationRules("Marten.Generated"));
var applyMethods = new ApplyMethodCollection(typeof(T), typeof(T));
// TODO -- this doesn't do very much right now.
var createMethods = new CreateMethodCollection(typeof(T), typeof(T));
assembly.Generation.Assemblies.Add(typeof(IMartenSession).Assembly);
assembly.Generation.Assemblies.AddRange(applyMethods.ReferencedAssemblies());
assembly.Generation.Assemblies.AddRange(createMethods.ReferencedAssemblies());
var isAsync = applyMethods.IsAsync;
assembly.Namespaces.Add("System.Linq");
var liveBaseType = isAsync
? typeof(AsyncLiveAggregatorBase <>)
: typeof(SyncLiveAggregatorBase <>);
liveBaseType = liveBaseType.MakeGenericType(typeof(T));
var liveType = assembly.AddType(typeof(T).NameInCode().Sanitize() + "LiveAggregation", liveBaseType);
var overrideMethodName = isAsync ? "BuildAsync" : "Build";
var buildMethod = liveType.MethodFor(overrideMethodName);
// TODO -- use constructor functions later
// TODO -- use static Create() methods
// TODO -- validate that there is some way to create the aggregate
buildMethod.Frames.Code("if (!events.Any()) return null;");
buildMethod.Frames.Add(new CallCreateAggregateFrame(createMethods));
buildMethod.Frames.Add(new CallApplyAggregateFrame(applyMethods)
{
InsideForEach = true
});
buildMethod.Frames.Return(typeof(T));
createMethods.BuildCreateMethod(liveType, mapping);
applyMethods.BuildApplyMethod(liveType, mapping);
var assemblyGenerator = new AssemblyGenerator();
assemblyGenerator.ReferenceAssembly(typeof(IMartenSession).Assembly);
assemblyGenerator.Compile(assembly);
return((ILiveAggregator <T>)Activator.CreateInstance(liveType.CompiledType));
}
