private void GetterCodegen(
string methodName,
CodegenMethod method,
CodegenClassScope classScope,
CodegenNamedMethods namedMethods)
{
var rowLevelDesc = RowLevelDesc;
var blocks = method.Block.SwitchBlockOfLength(
AggregationServiceCodegenNames.REF_COLUMN,
localGroupByPlan.ColumnsForges.Length,
true);
for (var i = 0; i < blocks.Length; i++) {
AggregationLocalGroupByColumnForge col = localGroupByPlan.ColumnsForges[i];
if (hasGroupBy && col.IsDefaultGroupLevel) {
AggregationCodegenRowDetailDesc levelDesc = rowLevelDesc.OptionalAdditionalRows[col.LevelNum];
var num = GetRowFieldNum(col, levelDesc);
blocks[i]
.BlockReturn(
ExprDotMethod(
MEMBER_CURRENTROW,
methodName,
Constant(num),
REF_EPS,
REF_ISNEWDATA,
REF_EXPREVALCONTEXT));
}
else if (col.LevelNum == -1) {
AggregationCodegenRowDetailDesc levelDesc = rowLevelDesc.OptionalTopRow;
var num = GetRowFieldNum(col, levelDesc);
blocks[i]
.BlockReturn(
ExprDotMethod(
MEMBER_AGGREGATORSTOPLEVEL,
methodName,
Constant(num),
REF_EPS,
REF_ISNEWDATA,
REF_EXPREVALCONTEXT));
}
else {
AggregationCodegenRowDetailDesc levelDesc = rowLevelDesc.OptionalAdditionalRows[col.LevelNum];
var num = GetRowFieldNum(col, levelDesc);
blocks[i]
.DeclareVar<object>(
"groupByKey",
LocalMethod(
AggregationServiceCodegenUtil.ComputeMultiKeyCodegen(
col.LevelNum,
col.PartitionForges,
levelDesc.MultiKeyClassRef,
classScope,
namedMethods),
REF_EPS,
REF_ISNEWDATA,
REF_EXPREVALCONTEXT))
.DeclareVar<AggregationRow>(
"row",
Cast(
typeof(AggregationRow),
ExprDotMethod(
ArrayAtIndex(MEMBER_AGGREGATORSPERLEVELANDGROUP, Constant(col.LevelNum)),
"Get",
Ref("groupByKey"))))
.BlockReturn(
ExprDotMethod(
Ref("row"),
methodName,
Constant(num),
REF_EPS,
REF_ISNEWDATA,
REF_EXPREVALCONTEXT));
}
}
}
private void ApplyCodegen(
bool enter,
CodegenMethod method,
CodegenClassScope classScope,
CodegenNamedMethods namedMethods,
AggregationClassNames classNames)
{
if (enter) {
method.Block.LocalMethod(HandleRemovedKeysCodegen(method, classScope));
}
if (localGroupByPlan.OptionalLevelTopForge != null) {
method.Block.IfCondition(EqualsNull(MEMBER_AGGREGATORSTOPLEVEL))
.AssignRef(MEMBER_AGGREGATORSTOPLEVEL, NewInstanceInner(classNames.RowTop, Ref("o")))
.BlockEnd()
.ExprDotMethod(
MEMBER_AGGREGATORSTOPLEVEL,
enter ? "ApplyEnter" : "ApplyLeave",
REF_EPS,
REF_EXPREVALCONTEXT);
}
for (var levelNum = 0; levelNum < localGroupByPlan.AllLevelsForges.Length; levelNum++) {
AggregationLocalGroupByLevelForge level = localGroupByPlan.AllLevelsForges[levelNum];
ExprNode[] partitionForges = level.PartitionForges;
var groupKeyName = "groupKeyLvl_" + levelNum;
var rowName = "row_" + levelNum;
CodegenExpression groupKeyExp;
if (hasGroupBy && level.IsDefaultLevel) {
groupKeyExp = AggregationServiceCodegenNames.REF_GROUPKEY;
}
else {
groupKeyExp = LocalMethod(
AggregationServiceCodegenUtil.ComputeMultiKeyCodegen(
levelNum,
partitionForges,
level.PartitionMKClasses,
classScope,
namedMethods),
REF_EPS,
ConstantTrue(),
REF_EXPREVALCONTEXT);
}
method.Block.CommentFullLine("--about to declare var--");
method.Block
.DeclareVar<object>(groupKeyName, groupKeyExp)
.DeclareVar<AggregationRow>(
rowName,
Cast(
typeof(AggregationRow),
ExprDotMethod(
ArrayAtIndex(MEMBER_AGGREGATORSPERLEVELANDGROUP, Constant(levelNum)),
"Get",
Ref(groupKeyName))))
.IfCondition(EqualsNull(Ref(rowName)))
.AssignRef(rowName, NewInstanceInner(classNames.GetRowPerLevel(levelNum), Ref("o")))
.ExprDotMethod(
ArrayAtIndex(MEMBER_AGGREGATORSPERLEVELANDGROUP, Constant(levelNum)),
"Put",
Ref(groupKeyName),
Ref(rowName))
.BlockEnd()
.ExprDotMethod(Ref(rowName), enter ? "IncreaseRefcount" : "DecreaseRefcount")
.ExprDotMethod(Ref(rowName), enter ? "ApplyEnter" : "ApplyLeave", REF_EPS, REF_EXPREVALCONTEXT);
if (!enter) {
method.Block.IfCondition(Relational(ExprDotMethod(Ref(rowName), "GetRefcount"), LE, Constant(0)))
.ExprDotMethod(
MEMBER_REMOVEDKEYS,
"Add",
NewInstance<AggSvcLocalGroupLevelKeyPair>(Constant(levelNum), Ref(groupKeyName)));
}
}
}