com.espertech.esper.epl.join.table
Class UnindexedEventTable

java.lang.Object
  com.espertech.esper.epl.join.table.UnindexedEventTable

All Implemented Interfaces:

EventTable, java.lang.Iterable<EventBean>

Direct Known Subclasses:

UnindexedEventTableImpl

public abstract class UnindexedEventTable
extends java.lang.Object
implements EventTable

Simple table of events without an index.

Constructor Summary

UnindexedEventTable(int streamNum)
Ctor.

Method Summary

abstract java.util.Set<EventBean>	getEventSet()
int	getNumKeys() If the index retains events using some key-based organization this returns the number of keys, and may return null to indicate that either the number of keys is not available or costly to obtain.
EventTableOrganization	getOrganization()
java.lang.String	toQueryPlan()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.espertech.esper.epl.join.table.EventTable

add, add, addRemove, clear, destroy, getIndex, getNumberOfEvents, getProviderClass, isEmpty, iterator, remove, remove

Constructor Detail

UnindexedEventTable

public UnindexedEventTable(int streamNum)

Ctor.

Parameters:

streamNum - is the indexed stream's number

Method Detail

getEventSet

public abstract java.util.Set<EventBean> getEventSet()

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

toQueryPlan

public java.lang.String toQueryPlan()

Specified by:

toQueryPlan in interface EventTable

getNumKeys

public int getNumKeys()

Description copied from interface: EventTable

If the index retains events using some key-based organization this returns the number of keys, and may return null to indicate that either the number of keys is not available or costly to obtain.

The number returned can be an estimate and may not be accurate.

Specified by:

getNumKeys in interface EventTable

Returns:

number of events

getOrganization

public EventTableOrganization getOrganization()

Specified by:

getOrganization in interface EventTable