com.espertech.esper.epl.join.table

Class PropertySortedEventTableFactory

java.lang.Object

com.espertech.esper.epl.join.table.PropertySortedEventTableFactory

All Implemented Interfaces:

EventTableFactory

Direct Known Subclasses:

PropertySortedEventTableCoercedFactory

public class PropertySortedEventTableFactory
extends Object
implements EventTableFactory

Index that organizes events by the event property values into a single TreeMap sortable non-nested index with Object keys that store the property values.

Field Summary

Fields

Modifier and Type	Field and Description
protected EventPropertyGetter	propertyGetter Getters for properties.
protected String	propertyName
protected int	streamNum

Constructor Summary

Constructors

Constructor and Description
PropertySortedEventTableFactory(int streamNum, EventType eventType, String propertyName) Ctor.

Method Summary

Modifier and Type	Method and Description
Class	getEventTableClass()
protected EventTableOrganization	getOrganization()
EventPropertyGetter	getPropertyGetter()
String	getPropertyName()
int	getStreamNum()
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

propertyName

protected final String propertyName

propertyGetter

protected final EventPropertyGetter propertyGetter

Getters for properties.

Constructor Detail

PropertySortedEventTableFactory

public PropertySortedEventTableFactory(int streamNum,
                                       EventType eventType,
                                       String propertyName)

Ctor.

Parameters:

streamNum - - the stream number that is indexed

eventType - - types of events indexed

propertyName - - property name

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

getStreamNum

public int getStreamNum()

getPropertyName

public String getPropertyName()

getPropertyGetter

public EventPropertyGetter getPropertyGetter()

getOrganization

protected EventTableOrganization getOrganization()