org.apache.drill.exec.planner.fragment

Class SimpleParallelizer.CountRequiredFragments

java.lang.Object

org.apache.drill.exec.physical.base.AbstractPhysicalVisitor<Void,List<BitControl.Collector>,RuntimeException>

org.apache.drill.exec.planner.fragment.SimpleParallelizer.CountRequiredFragments

All Implemented Interfaces:

PhysicalVisitor<Void,List<BitControl.Collector>,RuntimeException>

Enclosing class:

SimpleParallelizer

protected static class SimpleParallelizer.CountRequiredFragments
extends AbstractPhysicalVisitor<Void,List<BitControl.Collector>,RuntimeException>

Designed to setup initial values for arriving fragment accounting.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SimpleParallelizer.CountRequiredFragments()

Method Summary

Methods

Modifier and Type	Method and Description
static List<BitControl.Collector>	getCollectors(PhysicalOperator root)
Void	visitOp(PhysicalOperator op, List<BitControl.Collector> collectors)
Void	visitReceiver(Receiver receiver, List<BitControl.Collector> collectors)

Methods inherited from class org.apache.drill.exec.physical.base.AbstractPhysicalVisitor

visitBroadcastSender, visitChildren, visitExchange, visitFilter, visitFlatten, visitGroupScan, visitHashAggregate, visitHashJoin, visitHashPartitionSender, visitHashPartitionSender, visitIteratorValidator, visitLimit, visitMergeJoin, visitMergingReceiver, visitNestedLoopJoin, visitOrderedPartitionSender, visitProducerConsumer, visitProject, visitRangeSender, visitScreen, visitSender, visitSingleSender, visitSort, visitStore, visitStreamingAggregate, visitSubScan, visitTrace, visitUnion, visitUnionExchange, visitUnorderedReceiver, visitValues, visitWindowFrame, visitWriter

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleParallelizer.CountRequiredFragments

protected SimpleParallelizer.CountRequiredFragments()

Method Detail

getCollectors

public static List<BitControl.Collector> getCollectors(PhysicalOperator root)

visitReceiver

public Void visitReceiver(Receiver receiver,
                 List<BitControl.Collector> collectors)
                   throws RuntimeException

Specified by:

visitReceiver in interface PhysicalVisitor<Void,List<BitControl.Collector>,RuntimeException>

Overrides:

visitReceiver in class AbstractPhysicalVisitor<Void,List<BitControl.Collector>,RuntimeException>

Throws:

RuntimeException

visitOp

public Void visitOp(PhysicalOperator op,
           List<BitControl.Collector> collectors)
             throws RuntimeException

Specified by:

visitOp in interface PhysicalVisitor<Void,List<BitControl.Collector>,RuntimeException>

Overrides:

visitOp in class AbstractPhysicalVisitor<Void,List<BitControl.Collector>,RuntimeException>

Throws:

RuntimeException