Package 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:

AdjustOperatorsSchemaVisitor, ComplexToJsonPrelVisitor, ExcessiveExchangeIdentifier, FinalColumnReorderer, InsertLocalExchangeVisitor, LateralUnnestRowIDVisitor, MemoryEstimationVisitor, PrelSequencer, ProducerConsumerPrelVisitor, RelUniqifier, RewriteProjectToFlatten, RuntimeFilterVisitor, 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	Description
BasePrelVisitor()

Method Summary

Modifier and Type	Method	Description
RETURN	visitExchange(ExchangePrel prel, EXTRA value)
RETURN	visitJoin(JoinPrel prel, EXTRA value)
RETURN	visitLateral(LateralJoinPrel prel, EXTRA value)
RETURN	visitLeaf(LeafPrel prel, EXTRA value)
RETURN	visitPrel(Prel prel, EXTRA value)
RETURN	visitProject(ProjectPrel prel, EXTRA value)
RETURN	visitScan(DirectScanPrel prel, EXTRA value)
RETURN	visitScan(ScanPrel prel, EXTRA value)
RETURN	visitScreen(ScreenPrel prel, EXTRA value)
RETURN	visitTableModify(TableModifyPrel prel, EXTRA value)
RETURN	visitUnnest(UnnestPrel 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 Details

BasePrelVisitor

public BasePrelVisitor()

Method Details

visitScan

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

Specified by:

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

Throws:

EXCEP

visitScan

public RETURN visitScan(DirectScanPrel prel,
 EXTRA value)
                 throws EXCEP

Specified by:

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

Throws:

EXCEP

visitExchange

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

Specified by:

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

Throws:

EXCEP

visitJoin

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

Specified by:

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

Throws:

EXCEP

visitProject

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

Specified by:

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

Throws:

EXCEP

visitScreen

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

Specified by:

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

Throws:

EXCEP

visitWriter

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

Specified by:

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

Throws:

EXCEP

visitPrel

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

Specified by:

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

Throws:

EXCEP

visitUnnest

public RETURN visitUnnest(UnnestPrel prel,
 EXTRA value)
                   throws EXCEP

Specified by:

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

Throws:

EXCEP

visitLateral

public RETURN visitLateral(LateralJoinPrel prel,
 EXTRA value)
                    throws EXCEP

Specified by:

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

Throws:

EXCEP

visitLeaf

public RETURN visitLeaf(LeafPrel prel,
 EXTRA value)
                 throws EXCEP

Specified by:

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

Throws:

EXCEP

visitTableModify

public RETURN visitTableModify(TableModifyPrel prel,
 EXTRA value)
                        throws EXCEP

Specified by:

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

Throws:

EXCEP