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Class hep.analysis.EventHandler 

java.lang.Object
   |
   +----hep.analysis.EventHandler
public abstract class EventHandler
extends Object
The base class for EventAnalyzer and EventGenerator.

See Also:
EventAnalyzer, EventGenerator

Variable Index

o out
The log stream used to send messages.

Constructor Index

o EventHandler()

Method Index

o afterLastEvent()
Called after the last event is handled.
o beforeFirstEvent()
Called before the first event is handled.
o histogram(String)
Returns the Histogram object with the given name.
o histogram(String, HistogramFolder)
Returns the Histogram object with the given name.
o sendMessage(String)
Displays a message.

Variables

o out 
 protected PrintWriter out
The log stream used to send messages.

Constructors

o EventHandler 
 public EventHandler()

Methods

o beforeFirstEvent 
 public void beforeFirstEvent()
Called before the first event is handled. Does nothing by default. Override to have something happen.

o afterLastEvent 
 public void afterLastEvent()
Called after the last event is handled. Does nothing by default. Override to have something happen.

o sendMessage 
 public void sendMessage(String message)
Displays a message.

Parameters:
message - the message to display
o histogram 
 protected final Histogram histogram(String name)
Returns the Histogram object with the given name. Looks in the default folder.

Parameters:
name - the name of the histogram to find
Returns:
the Histogram object with the name given by the parameter name.
o histogram 
 protected final Histogram histogram(String name,
                                     HistogramFolder parent)
Returns the Histogram object with the given name. Looks in the given folder.

Parameters:
name - the name of the histogram to find
parent - the folder to look in
Returns:
the Histogram object with the name given by the parameter name. 
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