org.apache.drill.exec.physical.impl.aggregate

Interface StreamingAggregator

All Known Implementing Classes:

StreamingAggTemplate

public interface StreamingAggregator

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	StreamingAggregator.AggOutcome

Field Summary

Fields

Modifier and Type	Field and Description
static TemplateClassDefinition<StreamingAggregator>	TEMPLATE_DEFINITION

Method Summary

Methods

Modifier and Type	Method and Description
void	cleanup()
StreamingAggregator.AggOutcome	doWork()
RecordBatch.IterOutcome	getOutcome()
int	getOutputCount()
void	setup(OperatorContext context, RecordBatch incoming, StreamingAggBatch outgoing)

Field Detail

TEMPLATE_DEFINITION

static final TemplateClassDefinition<StreamingAggregator> TEMPLATE_DEFINITION

Method Detail

setup

void setup(OperatorContext context,
         RecordBatch incoming,
         StreamingAggBatch outgoing)
           throws SchemaChangeException

Throws:

SchemaChangeException

getOutcome

RecordBatch.IterOutcome getOutcome()

getOutputCount

int getOutputCount()

doWork

StreamingAggregator.AggOutcome doWork()

cleanup

void cleanup()