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(EventTableFactoryTableIdent tableIdent)
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(EventTableFactoryTableIdent tableIdent)

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