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 java.lang.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

protected java.lang.String	optionalIndexName
protected EventPropertyGetter[]	propertyGetters
protected java.lang.String[]	propertyNames
protected int	streamNum
protected boolean	unique

Constructor Summary

PropertyIndexedEventTableSingleArrayFactory(int streamNum, EventType eventType, java.lang.String[] propertyNames, boolean unique, java.lang.String optionalIndexName)
Ctor.

Method Summary

java.lang.Class	getEventTableClass()
EventTable[]	makeEventTables()
java.lang.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 java.lang.String[] propertyNames

unique

protected final boolean unique

optionalIndexName

protected final java.lang.String optionalIndexName

propertyGetters

protected final EventPropertyGetter[] propertyGetters

Constructor Detail

PropertyIndexedEventTableSingleArrayFactory

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

Ctor.

Parameters:

streamNum - - the stream number that is indexed

eventType - - types of events indexed

Method Detail

makeEventTables

public EventTable[] makeEventTables()

Specified by:

makeEventTables in interface EventTableFactory

getEventTableClass

public java.lang.Class getEventTableClass()

Specified by:

getEventTableClass in interface EventTableFactory

toQueryPlan

public java.lang.String toQueryPlan()

Specified by:

toQueryPlan in interface EventTableFactory