Package jmri.jmrit.logix

Class Tracker

java.lang.Object

jmri.jmrit.logix.Tracker

public class Tracker
extends java.lang.Object

Track an occupied block to adjacent blocks becoming occupied.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) class	Tracker.ChooseStartBlock
(package private) static class	Tracker.PathSet

Field Summary

Fields

Modifier and Type	Field	Description
(package private) long	_startTime
(package private) java.lang.String	_statusMessage

Constructor Summary

Constructors

Constructor	Description
Tracker(OBlock block, java.lang.String name, LocoIcon marker, TrackerTableAction tta)

Method Summary

Modifier and Type	Method	Description
protected java.util.List<OBlock>	getBlocksOccupied()
protected OBlock	getHeadBlock()
protected java.lang.String	getStatus()
protected OBlock	getTailBlock()
protected java.lang.String	getTrainName()
protected Tracker.PathSet	hasPathInto(OBlock block)
protected java.util.List<OBlock>	makeRange()	Build array of blocks reachable from head and tail portals
protected boolean	move(OBlock block, int state)
protected void	stop()
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

_startTime

final long _startTime

_statusMessage

java.lang.String _statusMessage

Constructor Detail

Tracker

Tracker(OBlock block,
        java.lang.String name,
        LocoIcon marker,
        TrackerTableAction tta)

Parameters:

block - the starting block to track

name - the name of the train being tracked

marker - icon if LocoIcon was dropped on a block

tta - TrackerTableAction that manages Trackers

Method Detail

getTrainName

protected java.lang.String getTrainName()

getHeadBlock

protected final OBlock getHeadBlock()

getTailBlock

protected final OBlock getTailBlock()

getStatus

protected java.lang.String getStatus()

hasPathInto

protected Tracker.PathSet hasPathInto(OBlock block)
                               throws JmriException

Throws:

JmriException

makeRange

protected java.util.List<OBlock> makeRange()

Build array of blocks reachable from head and tail portals

Returns:

range of reachable blocks

getBlocksOccupied

protected java.util.List<OBlock> getBlocksOccupied()

stop

protected void stop()

move

protected boolean move(OBlock block,
                       int state)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object