protected override void Initialize() {
Register(new EntityKeysPartial(_process, _entity));
if (_entity.Input.Count == 1) {
Register(_entity.Input.First().Connection.Extract(_process, _entity, _process.IsFirstRun));
} else {
var union = new ParallelUnionAllOperation();
foreach (var input in _entity.Input) {
union.Add(input.Connection.Extract(_process, _entity, Process.IsFirstRun));
}
Register(union);
}
if (!_entity.Sampled && _entity.Sample > 0m && _entity.Sample < 100m) {
Register(new SampleOperation(_entity.Sample) { EntityName = _entity.Name });
}
Register(new ApplyDefaults(true, new Fields(_entity.Fields, _entity.CalculatedFields)) { EntityName = _entity.Name });
foreach (var transform in _entity.OperationsBeforeAggregation) {
Register(transform);
}
if (_entity.HasSort()) {
Register(new SortOperation(_entity) { EntityName = _entity.Name });
}
if (_entity.Group) {
Register(new EntityAggregation(_entity));
}
foreach (var transform in _entity.OperationsAfterAggregation) {
Register(transform);
}
Register(new TruncateOperation(_entity.Name, _entity.Fields, _entity.CalculatedFields));
var standardOutput = new NamedConnection { Connection = _process.OutputConnection, Name = STANDARD_OUTPUT };
if (_entity.Output.Count > 0) {
var branch = new BranchingOperation()
.Add(PrepareOutputOperation(_process, standardOutput));
foreach (var output in _entity.Output) {
_collectors[output.Name] = new CollectorOperation();
branch.Add(PrepareOutputOperation(_process, output));
}
Register(branch);
} else {
Register(PrepareOutputOperation(_process, standardOutput));
}
}
private PartialProcessOperation PrepareOutputOperation(Process process, NamedConnection output) {
var partial = new PartialProcessOperation(process);
partial.Register(new FilterOutputOperation(output.ShouldRun) { EntityName = _entity.Name });
if (output.Connection.Type == ProviderType.Internal) {
partial.Register(_collectors[output.Name]);
} else {
if (Process.IsFirstRun || !_entity.DetectChanges) {
partial.Register(new EntityAddTflFields(process, _entity));
partial.Register(output.Connection.Insert(process, _entity));
} else {
partial.Register(new EntityJoinAction(process, _entity).Right(output.Connection.ExtractCorrespondingKeysFromOutput(_entity)));
var branch = new BranchingOperation()
.Add(new PartialProcessOperation(process)
.Register(new EntityActionFilter(process, _entity, EntityAction.Insert))
.Register(output.Connection.Insert(process, _entity)))
.Add(new PartialProcessOperation(process)
.Register(new EntityActionFilter(process, _entity, EntityAction.Update))
.Register(output.Connection.Update(_entity)));
partial.Register(branch);
}
}
return partial;
}
