com.espertech.esper.epl.join.table

Class PropertyIndexedEventTableSingleArrayFactory

java.lang.Object

com.espertech.esper.epl.join.table.PropertyIndexedEventTableSingleArrayFactory

All Implemented Interfaces:

EventTableFactory

public class PropertyIndexedEventTableSingleArrayFactory
extends Object
implements EventTableFactory

Index factory that organizes events by the event property values into hash buckets. Based on a HashMap with MultiKeyUntyped keys that store the property values.

Field Summary

Fields

Modifier and Type	Field and Description
protected String	optionalIndexName
protected EventPropertyGetter[]	propertyGetters
protected String[]	propertyNames
protected int	streamNum
protected boolean	unique

Constructor Summary

Constructors

Constructor and Description
PropertyIndexedEventTableSingleArrayFactory(int streamNum, EventType eventType, String[] propertyNames, boolean unique, String optionalIndexName)

Method Summary

Modifier and Type	Method and Description
Class	getEventTableClass()
EventTable[]	makeEventTables(EventTableFactoryTableIdent tableIdent, ExprEvaluatorContext exprEvaluatorContext)
String	toQueryPlan()

Methods inherited from class java.lang.Object

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

Field Detail

streamNum

protected final int streamNum

propertyNames

protected final String[] propertyNames

unique

protected final boolean unique

optionalIndexName

protected final String optionalIndexName

propertyGetters

protected final EventPropertyGetter[] propertyGetters

Constructor Detail

PropertyIndexedEventTableSingleArrayFactory

public PropertyIndexedEventTableSingleArrayFactory(int streamNum,
                                                   EventType eventType,
                                                   String[] propertyNames,
                                                   boolean unique,
                                                   String optionalIndexName)

Method Detail

makeEventTables

public EventTable[] makeEventTables(EventTableFactoryTableIdent tableIdent,
                                    ExprEvaluatorContext exprEvaluatorContext)

Specified by:

makeEventTables in interface EventTableFactory

getEventTableClass

public Class getEventTableClass()

Specified by:

getEventTableClass in interface EventTableFactory

toQueryPlan

public String toQueryPlan()

Specified by:

toQueryPlan in interface EventTableFactory