com.espertech.esper.epl.join.table

Class PropertyIndexedEventTableSingleFactory

java.lang.Object

com.espertech.esper.epl.join.table.PropertyIndexedEventTableSingleFactory

All Implemented Interfaces:

EventTableFactory

Direct Known Subclasses:

PropertyIndexedEventTableSingleCoerceAddFactory

public class PropertyIndexedEventTableSingleFactory
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

Fields

Modifier and Type	Field and Description
protected java.lang.String	optionalIndexName
protected EventPropertyGetter	propertyGetter
protected java.lang.String	propertyName
protected int	streamNum
protected boolean	unique

Constructor Summary

Constructors

Constructor and Description
PropertyIndexedEventTableSingleFactory(int streamNum, EventType eventType, java.lang.String propertyName, boolean unique, java.lang.String optionalIndexName)

Method Summary

Modifier and Type	Method and Description
java.lang.Class	getEventTableClass()
EventTable[]	makeEventTables(EventTableFactoryTableIdent tableIdent, ExprEvaluatorContext exprEvaluatorContext)
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

propertyName

protected final java.lang.String propertyName

unique

protected final boolean unique

optionalIndexName

protected final java.lang.String optionalIndexName

propertyGetter

protected final EventPropertyGetter propertyGetter

Constructor Detail

PropertyIndexedEventTableSingleFactory

public PropertyIndexedEventTableSingleFactory(int streamNum,
                                              EventType eventType,
                                              java.lang.String propertyName,
                                              boolean unique,
                                              java.lang.String optionalIndexName)

Method Detail

makeEventTables

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

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