hep.lcio.io

Interface LCEventListener

All Known Implementing Classes:

LCIOConcat, LCIOSplitter, RecJob

public interface LCEventListener

Listener for the occurence of LCEvents when reading a stream. User classes should implement this interface for their analysis code and then register the listener with LCReader.

See Also:

LCEvent, LCReader

Method Summary

Modifier and Type	Method and Description
void	modifyEvent(LCEvent evt) Call back for updating an LCEvent.
void	processEvent(LCEvent evt) Call back for analyzing an LCEvent.

Method Detail

processEvent

void processEvent(LCEvent evt)

Call back for analyzing an LCEvent. The access to the event is 'read only'. Adding new collections to the event is allowed wheras existing data collections and elements can not be modified.

modifyEvent

void modifyEvent(LCEvent evt)

Call back for updating an LCEvent. Here all modifications are allowed. Only use this method if you need to remove a collection from the event or you need to modify (fix) exisiting data.