Package com.espertech.esper.common.internal.epl.join.queryplanouter

Class LookupInstructionPlanForge

java.lang.Object

com.espertech.esper.common.internal.epl.join.queryplanouter.LookupInstructionPlanForge

All Implemented Interfaces:

CodegenMakeable<SAIFFInitializeSymbol>

public class LookupInstructionPlanForge
extends Object
implements CodegenMakeable<SAIFFInitializeSymbol>

Plan for lookup using a from-stream event looking up one or more to-streams using a specified lookup plan for each to-stream.

Constructor Summary

Constructors

Constructor	Description
LookupInstructionPlanForge(int fromStream, String fromStreamName, int[] toStreams, TableLookupPlanForge[] lookupPlans, HistoricalDataPlanNodeForge[] historicalPlans, boolean[] requiredPerStream)	Ctor.

Method Summary

Modifier and Type	Method	Description
void	addIndexes(HashSet<TableLookupIndexReqKey> usedIndexes)
int	getFromStream()
String	getFromStreamName()
HistoricalDataPlanNodeForge[]	getHistoricalPlans()
TableLookupPlanForge[]	getLookupPlans()
boolean[]	getRequiredPerStream()
int[]	getToStreams()
CodegenExpression	make(CodegenMethodScope parent, SAIFFInitializeSymbol symbols, CodegenClassScope classScope)
void	print(IndentWriter writer)	Output the planned instruction.

Methods inherited from class java.lang.Object

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

Constructor Details

LookupInstructionPlanForge

public LookupInstructionPlanForge(int fromStream,
 String fromStreamName,
 int[] toStreams,
 TableLookupPlanForge[] lookupPlans,
 HistoricalDataPlanNodeForge[] historicalPlans,
 boolean[] requiredPerStream)

Ctor.

Parameters:

fromStream - - the stream supplying the lookup event

fromStreamName - - the stream name supplying the lookup event

toStreams - - the set of streams to look up in

lookupPlans - - the plan to use for each stream to look up in

requiredPerStream - - indicates which of the lookup streams are required to build a result and which are not

historicalPlans - - plans for use with historical streams

Method Details

print

public void print(IndentWriter writer)

Output the planned instruction.

Parameters:

writer - to output to

addIndexes

public void addIndexes(HashSet<TableLookupIndexReqKey> usedIndexes)

make

public CodegenExpression make(CodegenMethodScope parent,
 SAIFFInitializeSymbol symbols,
 CodegenClassScope classScope)

Specified by:

make in interface CodegenMakeable<SAIFFInitializeSymbol>

getFromStream

public int getFromStream()

getFromStreamName

public String getFromStreamName()

getToStreams

public int[] getToStreams()

getLookupPlans

public TableLookupPlanForge[] getLookupPlans()

getRequiredPerStream

public boolean[] getRequiredPerStream()

getHistoricalPlans

public HistoricalDataPlanNodeForge[] getHistoricalPlans()