dk.dma.ais.tracker.scenarioTracker

Class ScenarioTracker

java.lang.Object

dk.dma.ais.tracker.scenarioTracker.ScenarioTracker

All Implemented Interfaces:

Tracker

@NotThreadSafe
public class ScenarioTracker
extends Object
implements Tracker

This class can process a finite stream of AisPackets, and build a scenario consisting of all received targets and a history of their movements.

Author:

Thomas Borg Salling

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	ScenarioTracker.Target The type Target.

Constructor Summary

Constructors

Constructor and Description
ScenarioTracker()

Method Summary

Modifier and Type	Method and Description
dk.dma.enav.model.geometry.BoundingBox	boundingBox() Get bounding box containing all movements in this scenario.
Target	get(int mmsi) Returns the latest target info for the specified MMSI number.
com.google.common.collect.ImmutableSet<ScenarioTracker.Target>	getTargets() Return all targets involved in this scenario.
Set<ScenarioTracker.Target>	getTargetsHavingPositionUpdates() Return all targets involved in this scenario and with a known location (ie. located inside of the bounding box).
Date	scenarioBegin() Get the Date of the first update in this scenario.
Date	scenarioEnd() Get the Date of the last update in this scenario.
int	size() Returns the number of targets that is being tracked.
void	tagTarget(int mmsi, Object tag) Tag target.
void	update(AisPacket p) Update the tracker with a single AisPacket.

Methods inherited from class java.lang.Object

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

Methods inherited from interface dk.dma.ais.tracker.Tracker

subscribeToPacketReader, subscribeToPacketStream

Constructor Detail

ScenarioTracker

public ScenarioTracker()

Method Detail

scenarioBegin

public Date scenarioBegin()

Get the Date of the first update in this scenario.

Returns:

date date

scenarioEnd

public Date scenarioEnd()

Get the Date of the last update in this scenario.

Returns:

date date

boundingBox

public dk.dma.enav.model.geometry.BoundingBox boundingBox()

Get bounding box containing all movements in this scenario.

Returns:

bounding box

getTargets

public com.google.common.collect.ImmutableSet<ScenarioTracker.Target> getTargets()

Return all targets involved in this scenario.

Returns:

targets targets

get

public Target get(int mmsi)

Description copied from interface: Tracker

Returns the latest target info for the specified MMSI number.

Specified by:

get in interface Tracker

Parameters:

mmsi - the MMSI number

Returns:

the latest target info for the specified MMSI number

size

public int size()

Returns the number of targets that is being tracked.

Specified by:

size in interface Tracker

Returns:

the number of targets that is being tracked

getTargetsHavingPositionUpdates

public Set<ScenarioTracker.Target> getTargetsHavingPositionUpdates()

Return all targets involved in this scenario and with a known location (ie. located inside of the bounding box).

Returns:

targets having position updates

update

public void update(AisPacket p)

Description copied from interface: Tracker

Update the tracker with a single AisPacket.

Specified by:

update in interface Tracker

Parameters:

p - the AIS packet.

tagTarget

public void tagTarget(int mmsi,
                      Object tag)

Tag target.

Parameters:

mmsi - the mmsi

tag - the tag