sub_arctic.input
Class event_trace_agent

java.lang.Object
  |
  +--sub_arctic.input.dispatch_agent
        |
        +--sub_arctic.input.event_trace_agent

public class event_trace_agent

extends dispatch_agent

This is a monitor focus agent used for debugging purposes. It does not actually dispatch any input, but instead prints a human readable dump of each event on System.err "as it goes past". This trace can be turned on and off using the do_trace() method (and is by default off).

Field Summary

protected boolean

doing_trace Are we current doing trace output or not.

Constructor Summary

event_trace_agent()
Default constructor.

Method Summary

boolean	dispatch_event(event evt, java.lang.Object user_info, interactor to_obj, int seq_num) "Dispatch" an event.
void	do_trace(boolean on_off) Turn tracing on or off.

Methods inherited from class sub_arctic.input.dispatch_agent

after_dispatch_notify, dispatch_unused_event, event_is_useful

Methods inherited from class java.lang.Object

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

Field Detail

doing_trace

protected boolean doing_trace

Are we current doing trace output or not.

Constructor Detail

event_trace_agent

public event_trace_agent()

Default constructor. We default to tracing being off.

Method Detail

do_trace

public void do_trace(boolean on_off)

Turn tracing on or off.

Parameters:

boolean - on_off true means we produce trace output.

dispatch_event

public boolean dispatch_event(event evt,
                              java.lang.Object user_info,
                              interactor to_obj,
                              int seq_num)

"Dispatch" an event. This agent never consumes the event.

Parameters:

event - evt event to potential display trace output for

Object - user_info ignored

interactor - to_obj ignored

int - seq_num ignored

Overrides:

dispatch_event in class dispatch_agent