Package org.epics.archiverappliance.common

Class EmptyEventStream

java.lang.Object

org.epics.archiverappliance.common.EmptyEventStream

All Implemented Interfaces:

Closeable, AutoCloseable, Iterable<Event>, RemotableOverRaw, EventStream

public class EmptyEventStream
extends Object
implements EventStream, RemotableOverRaw

Instead of returning null, in some cases, it may be more convenient to return a EventStream with no events

Author:

mshankar

Constructor Summary

Constructors

Constructor	Description
EmptyEventStream(String pvName, ArchDBRTypes type)

Method Summary

Modifier and Type	Method	Description
void	close()
RemotableEventStreamDesc	getDescription()
Iterator<Event>	iterator()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

EmptyEventStream

public EmptyEventStream(String pvName,
 ArchDBRTypes type)

Method Details

iterator

public Iterator<Event> iterator()

Specified by:

iterator in interface Iterable<Event>

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException

getDescription

public RemotableEventStreamDesc getDescription()

Specified by:

getDescription in interface EventStream

Specified by:

getDescription in interface RemotableOverRaw