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

Class StreamingAggTemplate

java.lang.Object

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

All Implemented Interfaces:

StreamingAggregator

public abstract class StreamingAggTemplate
extends Object
implements StreamingAggregator

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.drill.exec.physical.impl.aggregate.StreamingAggregator

StreamingAggregator.AggOutcome

Field Summary

Fields inherited from interface org.apache.drill.exec.physical.impl.aggregate.StreamingAggregator

TEMPLATE_DEFINITION

Constructor Summary

Constructors

Constructor and Description
StreamingAggTemplate()

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	addRecord(int index)
void	cleanup()
StreamingAggregator.AggOutcome	doWork()
RecordBatch.IterOutcome	getOutcome()
int	getOutputCount()
abstract int	getVectorIndex(int recordIndex)
abstract boolean	isSame(int index1, int index2)
abstract boolean	isSamePrev(int b1Index, InternalBatch b1, int b2Index)
abstract void	outputRecordKeys(int inIndex, int outIndex)
abstract void	outputRecordKeysPrev(InternalBatch previous, int previousIndex, int outIndex)
abstract void	outputRecordValues(int outIndex)
abstract boolean	resetValues()
void	setup(OperatorContext context, RecordBatch incoming, StreamingAggBatch outgoing)
abstract void	setupInterior(RecordBatch incoming, RecordBatch outgoing)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StreamingAggTemplate

public StreamingAggTemplate()

Method Detail

setup

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

Specified by:

setup in interface StreamingAggregator

Throws:

SchemaChangeException

getOutcome

public RecordBatch.IterOutcome getOutcome()

Specified by:

getOutcome in interface StreamingAggregator

getOutputCount

public int getOutputCount()

Specified by:

getOutputCount in interface StreamingAggregator

doWork

public StreamingAggregator.AggOutcome doWork()

Specified by:

doWork in interface StreamingAggregator

cleanup

public void cleanup()

Specified by:

cleanup in interface StreamingAggregator

setupInterior

public abstract void setupInterior(@Named(value="incoming")
                 RecordBatch incoming,
                 @Named(value="outgoing")
                 RecordBatch outgoing)
                            throws SchemaChangeException

Throws:

SchemaChangeException

isSame

public abstract boolean isSame(@Named(value="index1")
             int index1,
             @Named(value="index2")
             int index2)

isSamePrev

public abstract boolean isSamePrev(@Named(value="b1Index")
                 int b1Index,
                 @Named(value="b1")
                 InternalBatch b1,
                 @Named(value="b2Index")
                 int b2Index)

addRecord

public abstract void addRecord(@Named(value="index")
             int index)

outputRecordKeys

public abstract void outputRecordKeys(@Named(value="inIndex")
                    int inIndex,
                    @Named(value="outIndex")
                    int outIndex)

outputRecordKeysPrev

public abstract void outputRecordKeysPrev(@Named(value="previous")
                        InternalBatch previous,
                        @Named(value="previousIndex")
                        int previousIndex,
                        @Named(value="outIndex")
                        int outIndex)

outputRecordValues

public abstract void outputRecordValues(@Named(value="outIndex")
                      int outIndex)

getVectorIndex

public abstract int getVectorIndex(@Named(value="recordIndex")
                 int recordIndex)

resetValues

public abstract boolean resetValues()