org.apache.drill.exec.planner.physical.visitor

Class BasePrelVisitor<RETURN,EXTRA,EXCEP extends Throwable>

java.lang.Object

org.apache.drill.exec.planner.physical.visitor.BasePrelVisitor<RETURN,EXTRA,EXCEP>

All Implemented Interfaces:

PrelVisitor<RETURN,EXTRA,EXCEP>

Direct Known Subclasses:

ComplexToJsonPrelVisitor, ExcessiveExchangeIdentifier, FinalColumnReorderer, InsertLocalExchangeVisitor, JoinPrelRenameVisitor, MemoryEstimationVisitor, PrelSequencer, ProducerConsumerPrelVisitor, RelUniqifier, RewriteProjectToFlatten, SelectionVectorPrelVisitor, SplitUpComplexExpressions, StarColumnConverter, SwapHashJoinVisitor, TopProjectVisitor

public class BasePrelVisitor<RETURN,EXTRA,EXCEP extends Throwable>
extends Object
implements PrelVisitor<RETURN,EXTRA,EXCEP>

Field Summary

Fields inherited from interface org.apache.drill.exec.planner.physical.visitor.PrelVisitor

logger

Constructor Summary

Constructors

Constructor and Description
BasePrelVisitor()

Method Summary

Methods

Modifier and Type	Method and Description
RETURN	visitExchange(ExchangePrel prel, EXTRA value)
RETURN	visitJoin(JoinPrel prel, EXTRA value)
RETURN	visitPrel(Prel prel, EXTRA value)
RETURN	visitProject(ProjectPrel prel, EXTRA value)
RETURN	visitScan(ScanPrel prel, EXTRA value)
RETURN	visitScreen(ScreenPrel prel, EXTRA value)
RETURN	visitWriter(WriterPrel prel, EXTRA value)

Methods inherited from class java.lang.Object

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

Constructor Detail

BasePrelVisitor

public BasePrelVisitor()

Method Detail

visitScan

public RETURN visitScan(ScanPrel prel,
               EXTRA value)
                 throws EXCEP extends Throwable

Specified by:

visitScan in interface PrelVisitor<RETURN,EXTRA,EXCEP extends Throwable>

Throws:

EXCEP extends Throwable

visitExchange

public RETURN visitExchange(ExchangePrel prel,
                   EXTRA value)
                     throws EXCEP extends Throwable

Specified by:

visitExchange in interface PrelVisitor<RETURN,EXTRA,EXCEP extends Throwable>

Throws:

EXCEP extends Throwable

visitJoin

public RETURN visitJoin(JoinPrel prel,
               EXTRA value)
                 throws EXCEP extends Throwable

Specified by:

visitJoin in interface PrelVisitor<RETURN,EXTRA,EXCEP extends Throwable>

Throws:

EXCEP extends Throwable

visitProject

public RETURN visitProject(ProjectPrel prel,
                  EXTRA value)
                    throws EXCEP extends Throwable

Specified by:

visitProject in interface PrelVisitor<RETURN,EXTRA,EXCEP extends Throwable>

Throws:

EXCEP extends Throwable

visitScreen

public RETURN visitScreen(ScreenPrel prel,
                 EXTRA value)
                   throws EXCEP extends Throwable

Specified by:

visitScreen in interface PrelVisitor<RETURN,EXTRA,EXCEP extends Throwable>

Throws:

EXCEP extends Throwable

visitWriter

public RETURN visitWriter(WriterPrel prel,
                 EXTRA value)
                   throws EXCEP extends Throwable

Specified by:

visitWriter in interface PrelVisitor<RETURN,EXTRA,EXCEP extends Throwable>

Throws:

EXCEP extends Throwable

visitPrel

public RETURN visitPrel(Prel prel,
               EXTRA value)
                 throws EXCEP extends Throwable

Specified by:

visitPrel in interface PrelVisitor<RETURN,EXTRA,EXCEP extends Throwable>

Throws:

EXCEP extends Throwable