com.espertech.esper.epl.lookup
Class SubordIndexedTableLookupStrategySingleCoercingNW

java.lang.Object
  com.espertech.esper.epl.lookup.SubordIndexedTableLookupStrategySingleExprNW
      com.espertech.esper.epl.lookup.SubordIndexedTableLookupStrategySingleCoercingNW

All Implemented Interfaces:

SubordTableLookupStrategy

public class SubordIndexedTableLookupStrategySingleCoercingNW
extends SubordIndexedTableLookupStrategySingleExprNW

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

Field Summary

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

evaluator, index, strategyDesc

Constructor Summary

SubordIndexedTableLookupStrategySingleCoercingNW(ExprEvaluator evaluator, PropertyIndexedEventTableSingle index, java.lang.Class coercionType, LookupStrategyDesc strategyDesc)

Method Summary

protected java.lang.Object

getKey(EventBean[] eventsPerStream, ExprEvaluatorContext context) Get the index lookup keys.

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

getIndex, getStrategyDesc, lookup, toQueryPlan

Methods inherited from class java.lang.Object

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

Constructor Detail

SubordIndexedTableLookupStrategySingleCoercingNW

public SubordIndexedTableLookupStrategySingleCoercingNW(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: SubordIndexedTableLookupStrategySingleExprNW

Get the index lookup keys.

Overrides:

getKey in class SubordIndexedTableLookupStrategySingleExprNW

Parameters:

eventsPerStream - is the events for each stream

Returns:

key object