public static CodegenMethod ComputeMultiKeyCodegen(
int idNumber,
ExprForge[] partitionForges,
CodegenClassScope classScope,
CodegenNamedMethods namedMethods)
{
var exprSymbol = new ExprForgeCodegenSymbol(true, null);
Consumer<CodegenMethod> code = method => {
if (partitionForges.Length == 1) {
CodegenExpression expression = partitionForges[0]
.EvaluateCodegen(
typeof(object),
method,
exprSymbol,
classScope);
exprSymbol.DerivedSymbolsCodegen(method, method.Block, classScope);
method.Block.MethodReturn(expression);
}
else {
var expressions = new CodegenExpression[partitionForges.Length];
for (var i = 0; i < partitionForges.Length; i++) {
expressions[i] = partitionForges[i]
.EvaluateCodegen(
typeof(object),
method,
exprSymbol,
classScope);
}
exprSymbol.DerivedSymbolsCodegen(method, method.Block, classScope);
method.Block.DeclareVar<object[]>(
"keys",
NewArrayByLength(typeof(object), Constant(partitionForges.Length)));
for (var i = 0; i < expressions.Length; i++) {
method.Block.AssignArrayElement("keys", Constant(i), expressions[i]);
}
method.Block.MethodReturn(NewInstance<HashableMultiKey>(Ref("keys")));
}
};
return namedMethods.AddMethodWithSymbols(
typeof(object),
"ComputeKeyArrayCodegen_" + idNumber,
CodegenNamedParam.From(
typeof(EventBean[]),
NAME_EPS,
typeof(bool),
NAME_ISNEWDATA,
typeof(ExprEvaluatorContext),
NAME_EXPREVALCONTEXT),
typeof(AggregationServiceCodegenUtil),
classScope,
code,
exprSymbol);
}
public static CodegenMethod ComputeMultiKeyCodegen(
int idNumber,
ExprNode[] partitionForges,
MultiKeyClassRef optionalMultiKey,
CodegenClassScope classScope,
CodegenNamedMethods namedMethods)
{
var exprSymbol = new ExprForgeCodegenSymbol(true, null);
Consumer<CodegenMethod> code = method => {
if (optionalMultiKey == null || optionalMultiKey.ClassNameMK == null) {
var expression = partitionForges[0].Forge.EvaluateCodegen(typeof(object), method, exprSymbol, classScope);
exprSymbol.DerivedSymbolsCodegen(method, method.Block, classScope);
method.Block.MethodReturn(expression);
return;
}
var expressions = new CodegenExpression[partitionForges.Length];
for (var i = 0; i < partitionForges.Length; i++) {
expressions[i] = partitionForges[i].Forge
.EvaluateCodegen(
typeof(object),
method,
exprSymbol,
classScope);
}
var instance = optionalMultiKey.ClassNameMK.Type != null
? NewInstance(optionalMultiKey.ClassNameMK.Type, expressions)
: NewInstanceInner(optionalMultiKey.ClassNameMK.Name, expressions);
exprSymbol.DerivedSymbolsCodegen(method, method.Block, classScope);
method.Block.MethodReturn(instance);
};
return namedMethods.AddMethodWithSymbols(
typeof(object),
"ComputeKeyArrayCodegen_" + idNumber,
CodegenNamedParam.From(
typeof(EventBean[]),
NAME_EPS,
typeof(bool),
NAME_ISNEWDATA,
typeof(ExprEvaluatorContext),
NAME_EXPREVALCONTEXT),
typeof(AggregationServiceCodegenUtil),
classScope,
code,
exprSymbol);
}