EDU.gatech.cc.is.clay
Class b_WatchDog_s

java.lang.Object
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  +--EDU.gatech.cc.is.clay.Node
        |
        +--EDU.gatech.cc.is.clay.NodeScalar
              |
              +--EDU.gatech.cc.is.clay.NodeBoolean
                    |
                    +--EDU.gatech.cc.is.clay.b_WatchDog_s

public class b_WatchDog_s

extends NodeBoolean

Monitor a boolean node for true values. If embedded node does not go true before timeout, this node goes true.

For detailed information on how to configure behaviors, see the Clay page.

Copyright (c)1997, 1998 Tucker Balch

Field Summary

static boolean

DEBUG Turn debug printing on or off.

Fields inherited from class EDU.gatech.cc.is.clay.Node

DEBUG, embedded_nodes

Constructor Summary

b_WatchDog_s(double t, double p, NodeScalar im1)
Instantiate a b_WatchDog_s operator.

Method Summary

boolean

Value(long timestamp) Return a boolean WatchDog value.

Methods inherited from class EDU.gatech.cc.is.clay.NodeBoolean

booleanValue, doubleValue, intValue

Methods inherited from class EDU.gatech.cc.is.clay.Node

initTrial

Methods inherited from class java.lang.Object

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

Field Detail

DEBUG

public static final boolean DEBUG

Turn debug printing on or off.

Constructor Detail

b_WatchDog_s

public b_WatchDog_s(double t,
                    double p,
                    NodeScalar im1)

Instantiate a b_WatchDog_s operator.

Parameters:

t - double, how long im1 can be false before a trigger (seconds).

p - double, how long a true value should persist (seconds) when triggered.

im1 - NodeScalar, the embedded node that generates a value to watch.

Method Detail

Value

public boolean Value(long timestamp)

Return a boolean WatchDog value.

Overrides:

Value in class NodeBoolean

Parameters:

timestamp - long, only get new information if timestamp > than last call or timestamp == -1.

Returns:

true or false.