Package org.apache.pinot.query.runtime.operator

Class MultiStageOperator

java.lang.Object

org.apache.pinot.query.runtime.operator.MultiStageOperator

All Implemented Interfaces:

AutoCloseable, Operator<TransferableBlock>

Direct Known Subclasses:

AggregateOperator, BaseMailboxReceiveOperator, FilterOperator, HashJoinOperator, LeafStageTransferableBlockOperator, LiteralValueOperator, MailboxSendOperator, SetOperator, SortOperator, TransformOperator, WindowAggregateOperator

public abstract class MultiStageOperator
extends Object
implements Operator<TransferableBlock>, AutoCloseable

Field Summary

Fields

Modifier and Type	Field	Description
protected OpChainExecutionContext	_context
protected OpChainStats	_opChainStats
protected String	_operatorId

Constructor Summary

Constructors

Constructor	Description
MultiStageOperator(OpChainExecutionContext context)

Method Summary

Modifier and Type	Method	Description
void	cancel(Throwable e)
void	close()
List<MultiStageOperator>	getChildOperators()
protected abstract TransferableBlock	getNextBlock()
String	getOperatorId()
TransferableBlock	nextBlock()
protected boolean	shouldCollectStats()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.pinot.core.common.Operator

explainPlan, getExecutionStatistics, getIndexSegment, prepareForExplainPlan, toExplainString

Field Detail

_context

protected final OpChainExecutionContext _context

_operatorId

protected final String _operatorId

_opChainStats

protected final OpChainStats _opChainStats

Constructor Detail

MultiStageOperator

public MultiStageOperator(OpChainExecutionContext context)

Method Detail

nextBlock

public TransferableBlock nextBlock()

Specified by:

nextBlock in interface Operator<TransferableBlock>

getOperatorId

public String getOperatorId()

getNextBlock

protected abstract TransferableBlock getNextBlock()

shouldCollectStats

protected boolean shouldCollectStats()

getChildOperators

public List<MultiStageOperator> getChildOperators()

Specified by:

getChildOperators in interface Operator<TransferableBlock>

close

public void close()

Specified by:

close in interface AutoCloseable

cancel

public void cancel(Throwable e)