com.espertech.esper.epl.lookup

Class SubordIndexedTableLookupStrategySingleCoercing

java.lang.Object

com.espertech.esper.epl.lookup.SubordIndexedTableLookupStrategySingleExpr

com.espertech.esper.epl.lookup.SubordIndexedTableLookupStrategySingleCoercing

All Implemented Interfaces:

SubordTableLookupStrategy

public class SubordIndexedTableLookupStrategySingleCoercing
extends SubordIndexedTableLookupStrategySingleExpr

Index lookup strategy that coerces the key values before performing a lookup.

Field Summary

Fields inherited from class com.espertech.esper.epl.lookup.SubordIndexedTableLookupStrategySingleExpr

evaluator, index

Constructor Summary

Constructors

Constructor and Description
SubordIndexedTableLookupStrategySingleCoercing(int streamCountOuter, ExprEvaluator evaluator, PropertyIndexedEventTableSingle index, java.lang.Class coercionType, LookupStrategyDesc strategyDesc)

Method Summary

Modifier and Type	Method and Description
protected java.lang.Object	getKey(EventBean[] eventsPerStream, ExprEvaluatorContext context) Get the index lookup keys.

Methods inherited from class com.espertech.esper.epl.lookup.SubordIndexedTableLookupStrategySingleExpr

getIndex, getStrategyDesc, lookup, toQueryPlan

Methods inherited from class java.lang.Object

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

Constructor Detail

SubordIndexedTableLookupStrategySingleCoercing

public SubordIndexedTableLookupStrategySingleCoercing(int streamCountOuter,
                                                      ExprEvaluator evaluator,
                                                      PropertyIndexedEventTableSingle index,
                                                      java.lang.Class coercionType,
                                                      LookupStrategyDesc strategyDesc)

Method Detail

getKey

protected java.lang.Object getKey(EventBean[] eventsPerStream,
                                  ExprEvaluatorContext context)

Description copied from class: SubordIndexedTableLookupStrategySingleExpr

Get the index lookup keys.

Overrides:

getKey in class SubordIndexedTableLookupStrategySingleExpr

Parameters:

eventsPerStream - is the events for each stream

context - context

Returns:

key object