StationTracker

java.lang.Object
- org.ka2ddo.yaac.ax25.StationTracker

All Implemented Interfaces:

java.lang.Iterable<StationState>, AprsMessageListener, ParsedAX25MessageListener
```
public class StationTracker
extends java.lang.Object
implements java.lang.Iterable<StationState>, AprsMessageListener, ParsedAX25MessageListener
```
This class manages tracking all heard APRS stations and objects/items. It keeps a time-ordered and callsign-searchable index of all stations, with the messages associated with each station in reverse chronological order, along with an assembled current state of the station.

Author:

Andrew Pavlin, KA2DDO

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`static class`	`StationTracker.AddressStatistics<K,C extends StationTracker.AddressStatistics<K,C>>` This abstract class collects the occurrence counts for a particular type of station.
`static class`	`StationTracker.DestinationStatistics` Usage statistics for a particular tocall (destination) callsign in AX.25 traffic.
`static class`	`StationTracker.DigipeatStatistics` Address statistics for a particular digipeater.

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`HEAP_UPPER_PERCENT_THRESHOLD` How close the consumption of the JVM heap can get to the maximum (-Xmx option to JVM) before YAAC starts reducing retention intervals and taking other actions to prevent heap starvation, specified as a percentage.
`static java.lang.String`	`IGATE` Capability string included in capabilities if local station functioning as an I-Gate.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`add1stDigiListener(DigipeatListener l)` Register a listener that wants to know when a new first digipeater is recorded.
`static void`	`addCapabilitiesProvider(CapabilitiesProvider p)` Register a CapabilitiesProvider instance.
`void`	`addDestinationListener(DestinationListener l)` Register a listener that wants to know when a new tocall or explicit network destination is recorded.
`StationState`	`addMessage(java.lang.String identifier, AX25Message msg, AX25Callsign[] digipeaters, boolean isStationName)` Register a message with the appropriate sending station.
`void`	`addNewDestination(java.lang.String dest)` Add a new destination to the map of destination callsigns and statistics.
`StationState`	`addNewStationIfNeeded(java.lang.String callsign)` Get the current StationState record for the specified station or object, creating a new record if one doesn't currently exist.
`void`	`addPurgeListener(PurgeListener l)` Register to be informed when purging should be performed.
`void`	`addRelayListener(DigipeatListener l)` Register a listener that wants to know when a new last digipeater is recorded.
`void`	`addTrackerListener(TrackerListener l)` Register a listener to be informed of changes to the station histories.
`void`	`aprsMessageReceived(Message msg)` Delivers the next message received by YAAC that is an APRS message.
`static java.util.List<java.lang.String>`	`buildLocalCapabilities()` Build a list of APRS capabilities this station has, suitable for a response to a "?IGATE" query.
`void`	`deleteStation(StationState ss)` Remove the specified station or object from the tracked history immediately.
`Connector`	`findBestConnectorForStation(java.lang.String callsign)` Calculate the best Connector to use to reach a particular specified remote station, based on what has been collected about that station's transmissions to the local station.
`protected void`	`fireMessageAdded(StationState ss, int index, AX25Message msg)` Inform all registered TrackerListener instances that a new message has arrived from the specified station or about the specified object.
`protected void`	`fireMessageDeleted(StationState ss, int index, AX25Message msg)` Inform all registered TrackerListener instances that an old message has been deleted from the specified station or about the specified object.
`protected void`	`fireStationAdded(StationState ss, int index)` Inform all registered TrackerListener instances that a new station or object has been added to the tracker.
`void`	`fireStationDeleted(StationState ss, int index)` Inform all registered TrackerListener instances that a station or object's state is being deleted due to lack of activity,
`void`	`fireStationUpdated(StationState ss)` Inform all registered TrackerListener instances that a station's status is being updated.
`java.util.Set<java.lang.String>`	`getCurrentNameSet()` Get a Set of all the identifiers of stations and objects currently known.
`StationState[]`	`getCurrentTrackedObjectArray()` Get an array of all the known StationState objects.
`StationState[]`	`getCurrentTrackedObjectArray(boolean includeStations, boolean includeObjects, boolean includeSelf, Filter filter, java.util.Comparator<StationState> sortComparator)` Get an array of a selected filtered subset of the known StationState instances.
`StationState[]`	`getCurrentTrackedObjectArray(StationState[] oldArray, boolean includeStations, boolean includeObjects, boolean includeSelf, Filter filter, java.util.Comparator<StationState> sortComparator)` Get an array of a selected filtered subset of the known StationState instances, recycling an existing array if it is long enough.
`java.util.ArrayList<StationState>`	`getCurrentTrackedObjectList()` Get a list of all the known StationState objects.
`java.util.ArrayList<StationState>`	`getCurrentTrackedObjectList(boolean includeStations, boolean includeObjects, boolean includeSelf)` Get a list of selected members of the known StationState objects.
`java.util.ArrayList<StationState>`	`getCurrentTrackedObjectList(boolean includeStations, boolean includeObjects, boolean includeSelf, Filter filter)` Get a list of selected members of the known StationState objects.
`java.util.HashMap<java.lang.String,StationTracker.DestinationStatistics>`	`getDestinationsMap()` Get the raw Map of destination callsigns to statistics counters.
`java.util.Set<java.lang.String>`	`getDestinationsStringSet()` Get the sorted set of all destination callsign strings.
`java.util.HashMap<java.lang.String,StationTracker.DigipeatStatistics>`	`getDigipeatersMap()` Get the map of first/last digipeater statistics.
`java.util.Set<java.lang.String>`	`getDigipeatersSet()` Get all the callsigns of the first and last digipeaters used by all stations in the history.
`StationTracker.DigipeatStatistics`	`getDigipeaterStatisticsFor(java.lang.String callsign)` Get the DigipeatStatistics record for the specified callsign if it has ever been used as a first or last digipeater (or last I-gate).
`java.lang.String[]`	`getDirectStationList(long now)` Get a list of all stations heard directly by this station.
`java.util.Set<java.lang.String>`	`getFinalSendersSet()` Get all the callsigns of the final digipeaters/I-gates used by all stations in the history.
`static StationTracker`	`getInstance()` Get the singleton instance of the StationTracker.
`RadiusFilter`	`getRangeLimitFilter()` Get a reference to the RadiusFilter used for deciding if a station or object has changed between being in-range and out-of-range.
`StationState`	`getStationByAlias(java.lang.String alias)` Search for the first Station with the specified alias (tactical name).
`int`	`getStationTypeCount(char symTableId, char symbolCode)` Count the number of known stations of a specified type.
`StationState`	`getTrackedObject(java.lang.String name)` Get the state object for the specified station or object.
`boolean`	`hasTacticalAliases(boolean onlyLocal)` Test if this station has any tactical aliases defined.
`boolean`	`is1stDigiListener(DigipeatListener l)` Test if the specified DigipeatListener is registered for first digipeater updates.
`static boolean`	`isOptimizeTransmits()` Report whether port optimization of locally-originated message transmits should be performed.
`boolean`	`isRelayListener(DigipeatListener l)` Test if the specified DigipeatListener is registered for last digipeater updates.
`java.util.Iterator<StationState>`	`iterator()` Returns an iterator over a set of elements of type StationState.
`void`	`parsedAX25MessageReceived(byte pid, AX25Message msg)` Delivers the next message received by YAAC that is some sort of parsed AX.25 higher-level message.
`void`	`purgeStaleTraffic()` Delete all cached messages older than the purge threshold.
`void`	`remove1stDigiListener(DigipeatListener l)` Unregister a listener that no longer wants to know when a new first digipeater is recorded.
`static void`	`removeCapabilitiesProvider(CapabilitiesProvider p)` Unregister a CapabilitiesProvider instance.
`void`	`removeDestinationListener(DestinationListener l)` Remove a listener that no longer wants to know when a new tocall or explicit network destination is recorded.
`void`	`removePurgeListener(PurgeListener l)` Unregister from being informed when purging should be performed.
`void`	`removeRelayListener(DigipeatListener l)` Unregister a listener that no longer wants to know when a new last digipeater is recorded.
`void`	`removeTrackerListener(TrackerListener l)` Unregister a listener.
`static void`	`setOptimizeTransmits(boolean optimizeTransmits)` Specify whether port optimization of locally-originated message transmits should be performed.
`java.lang.String`	`toString()` Return String describing the StationTracker object.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.lang.Iterable
forEach, spliterator

- Field Detail
  - IGATE
```
public static final java.lang.String IGATE
```
    Capability string included in capabilities if local station functioning as an I-Gate.
    
    See Also:
    
    buildLocalCapabilities(), Constant Field Values
  - HEAP_UPPER_PERCENT_THRESHOLD
```
public static final int HEAP_UPPER_PERCENT_THRESHOLD
```
    How close the consumption of the JVM heap can get to the maximum (-Xmx option to JVM) before YAAC starts reducing retention intervals and taking other actions to prevent heap starvation, specified as a percentage.
    
    See Also:
    
    Constant Field Values
- Method Detail
  - buildLocalCapabilities
```
public static java.util.List<java.lang.String> buildLocalCapabilities()
```
    Build a list of APRS capabilities this station has, suitable for a response to a "?IGATE" query.
    
    Returns:
    
    List of capability Strings
    
    See Also:
    
    StationCapabilities, IGateQueryHandler
  - addCapabilitiesProvider
```
public static void addCapabilitiesProvider(CapabilitiesProvider p)
```
    Register a CapabilitiesProvider instance.
    
    Parameters:
    
    p - CapabilitiesProvider instance
    
    Since:
    
    PROVIDER_API_VERSION == 32
  - removeCapabilitiesProvider
```
public static void removeCapabilitiesProvider(CapabilitiesProvider p)
```
    Unregister a CapabilitiesProvider instance.
    
    Parameters:
    
    p - CapabilitiesProvider instance
    
    Since:
    
    PROVIDER_API_VERSION == 32
  - isOptimizeTransmits
```
public static boolean isOptimizeTransmits()
```
    Report whether port optimization of locally-originated message transmits should be performed.
    
    Returns:
    
    boolean true if port optimization should be performed
  - setOptimizeTransmits
```
public static void setOptimizeTransmits(boolean optimizeTransmits)
```
    Specify whether port optimization of locally-originated message transmits should be performed.
    
    Parameters:
    
    optimizeTransmits - boolean true if port optimization should be performed
  - findBestConnectorForStation
```
public Connector findBestConnectorForStation(java.lang.String callsign)
```
    Calculate the best Connector to use to reach a particular specified remote station, based on what has been collected about that station's transmissions to the local station. If a best port cannot be determined (due to the station having been heard through a receive-only port or never heard at all), then null will be returned, which typically causes transmit code in YAAC to try all transmit-capable ports.
    
    Parameters:
    
    callsign - String of callsign-SSID to lookup
    
    Returns:
    
    preferred Connector to use to reach this station, or null if no preferred path can be determined
  - purgeStaleTraffic
```
public void purgeStaleTraffic()
```
    Delete all cached messages older than the purge threshold.
  - addPurgeListener
```
public void addPurgeListener(PurgeListener l)
```
    Register to be informed when purging should be performed.
    
    Parameters:
    
    l - PurgeListener to notify when pruning is occurring
  - removePurgeListener
```
public void removePurgeListener(PurgeListener l)
```
    Unregister from being informed when purging should be performed.
    
    Parameters:
    
    l - PurgeListener that no longer wants to be notified when pruning is occurring
  - getTrackedObject
```
public StationState getTrackedObject(java.lang.String name)
```
    Get the state object for the specified station or object.
    
    Parameters:
    
    name - callsign or identifier for the desired station or object
    
    Returns:
    
    StationState of the desired object, or null if the identifier is not currently known
  - getCurrentNameSet
```
public java.util.Set<java.lang.String> getCurrentNameSet()
```
    Get a Set of all the identifiers of stations and objects currently known.
    
    Returns:
    
    Set of identifier Strings
  - getCurrentTrackedObjectList
```
public java.util.ArrayList<StationState> getCurrentTrackedObjectList()
```
    Get a list of all the known StationState objects.
    
    Returns:
    
    ArrayList of all currently known StationState instances
  - getCurrentTrackedObjectList
```
public java.util.ArrayList<StationState> getCurrentTrackedObjectList(boolean includeStations,
                                                                     boolean includeObjects,
                                                                     boolean includeSelf)
```
    Get a list of selected members of the known StationState objects.
    
    Parameters:
    
    includeStations - boolean true if stations (message originators) should be included
    
    includeObjects - boolean true if objects (non-transmitting) should be included
    
    includeSelf - boolean true if own station should be included, regardless of filters and other include flags
    
    Returns:
    
    ArrayList of all currently known StationState instances
  - getCurrentTrackedObjectList
```
public java.util.ArrayList<StationState> getCurrentTrackedObjectList(boolean includeStations,
                                                                     boolean includeObjects,
                                                                     boolean includeSelf,
                                                                     Filter filter)
```
    Get a list of selected members of the known StationState objects.
    
    Parameters:
    
    includeStations - boolean true if stations (message originators) should be included
    
    includeObjects - boolean true if objects (non-transmitting) should be included
    
    includeSelf - boolean true if own station should be included, regardless of filters and other include flags
    
    filter - Filter tree to apply to decide which StationStates to choose, or null to not filter
    
    Returns:
    
    ArrayList of all currently known StationState instances
    
    Since:
    
    PROVIDER_API_VERSION == 43
  - getStationByAlias
```
public StationState getStationByAlias(java.lang.String alias)
```
    Search for the first Station with the specified alias (tactical name).
    
    Parameters:
    
    alias - String of tactical name to search for
    
    Returns:
    
    StationState of matching station, or null if no match
    
    Since:
    
    PROVIDER_API_VERSION == 24
  - getCurrentTrackedObjectArray
```
public StationState[] getCurrentTrackedObjectArray()
```
    Get an array of all the known StationState objects.
    
    Returns:
    
    array of all currently known StationState instances
  - getCurrentTrackedObjectArray
```
public StationState[] getCurrentTrackedObjectArray(boolean includeStations,
                                                   boolean includeObjects,
                                                   boolean includeSelf,
                                                   Filter filter,
                                                   java.util.Comparator<StationState> sortComparator)
```
    Get an array of a selected filtered subset of the known StationState instances.
    
    Parameters:
    
    includeStations - boolean true if stations (message originators) should be included
    
    includeObjects - boolean true if objects (non-transmitting) should be included
    
    includeSelf - boolean true if own station should be included, regardless of filters and other include flags
    
    filter - a Filter to decide which StationState instances should be included, or null if no filtering should be done
    
    sortComparator - if non-null, a Comparator to use to sort the StationState objects in a desired order while the mutex is being held, to prevent the StationState objects from changing while the sort is in progress
    
    Returns:
    
    array of matching StationState instances
  - getCurrentTrackedObjectArray
```
public StationState[] getCurrentTrackedObjectArray(StationState[] oldArray,
                                                   boolean includeStations,
                                                   boolean includeObjects,
                                                   boolean includeSelf,
                                                   Filter filter,
                                                   java.util.Comparator<StationState> sortComparator)
```
    Get an array of a selected filtered subset of the known StationState instances, recycling an existing array if it is long enough.
    
    Parameters:
    
    oldArray - StationState array to be filled with the data if it is long enough (and null-padded)
    
    includeStations - boolean true if stations (message originators) should be included
    
    includeObjects - boolean true if objects (non-transmitting) should be included
    
    includeSelf - boolean true if own station should be included, regardless of filters and other include flags
    
    filter - a Filter to decide which StationState instances should be included, or null if no filtering should be done
    
    sortComparator - if non-null, a Comparator to use to sort the StationState objects in a desired order while the mutex is being held, to prevent the StationState objects from changing while the sort is in progress
    
    Returns:
    
    array of matching StationState instances
  - hasTacticalAliases
```
public boolean hasTacticalAliases(boolean onlyLocal)
```
    Test if this station has any tactical aliases defined.
    
    Parameters:
    
    onlyLocal - boolean true if they must be from this station, not heard from some other station
    
    Returns:
    
    boolean true if there are stations/objects with tactical aliases
  - addTrackerListener
```
public void addTrackerListener(TrackerListener l)
```
    Register a listener to be informed of changes to the station histories.
    
    Parameters:
    
    l - TrackerListener to register
  - removeTrackerListener
```
public void removeTrackerListener(TrackerListener l)
```
    Unregister a listener.
    
    Parameters:
    
    l - TrackerListener to unregister
  - fireStationAdded
```
protected void fireStationAdded(StationState ss,
                                int index)
```
    Inform all registered TrackerListener instances that a new station or object has been added to the tracker.
    
    Parameters:
    
    ss - newly-added StationState
    
    index - index in tracker list of the new StationState
  - fireStationUpdated
```
public void fireStationUpdated(StationState ss)
```
    Inform all registered TrackerListener instances that a station's status is being updated.
    
    Parameters:
    
    ss - StationState receiving update
  - fireStationDeleted
```
public void fireStationDeleted(StationState ss,
                               int index)
```
    Inform all registered TrackerListener instances that a station or object's state is being deleted due to lack of activity,
    
    Parameters:
    
    ss - StationState instance being deleted
    
    index - index in tracker list of the station being deleted
  - fireMessageAdded
```
protected void fireMessageAdded(StationState ss,
                                int index,
                                AX25Message msg)
```
    Inform all registered TrackerListener instances that a new message has arrived from the specified station or about the specified object.
    
    Parameters:
    
    ss - StationState instance adding a new message
    
    index - index within StationState object of the added message
    
    msg - the AX25Message being added to the station/object
  - fireMessageDeleted
```
protected void fireMessageDeleted(StationState ss,
                                  int index,
                                  AX25Message msg)
```
    Inform all registered TrackerListener instances that an old message has been deleted from the specified station or about the specified object.
    
    Parameters:
    
    ss - StationState instance deleting an old message
    
    index - index within StationState object of the deleted message
    
    msg - the AX25Message being deleted from the station/object
  - toString
```
public java.lang.String toString()
```
    Return String describing the StationTracker object.
    
    Overrides:
    
    toString in class java.lang.Object
    
    Returns:
    
    descriptive String
  - deleteStation
```
public void deleteStation(StationState ss)
```
    Remove the specified station or object from the tracked history immediately.
    
    Parameters:
    
    ss - StationState to remove
  - getInstance
```
public static StationTracker getInstance()
```
    Get the singleton instance of the StationTracker.
    
    Returns:
    
    the StationTracker
  - aprsMessageReceived
```
public void aprsMessageReceived(Message msg)
```
    Delivers the next message received by YAAC that is an APRS message.
    
    Specified by:
    
    aprsMessageReceived in interface AprsMessageListener
    
    Parameters:
    
    msg - some subclass of Message containing the message contents; the message should have an AX25Frame connected to it
    
    See Also:
    
    AX25Frame, AX25Message.ax25Frame, AX25Message.getAx25Frame()
  - parsedAX25MessageReceived
```
public void parsedAX25MessageReceived(byte pid,
                                      AX25Message msg)
```
    Delivers the next message received by YAAC that is some sort of parsed AX.25 higher-level message.
    
    Specified by:
    
    parsedAX25MessageReceived in interface ParsedAX25MessageListener
    
    Parameters:
    
    pid - AX.25 protocol ID
    
    msg - some subclass of Message containing the message contents; the message should have an AX25Frame connected to it
    
    See Also:
    
    AX25Frame
  - addMessage
```
public StationState addMessage(java.lang.String identifier,
                               AX25Message msg,
                               AX25Callsign[] digipeaters,
                               boolean isStationName)
```
    Register a message with the appropriate sending station.
    
    Parameters:
    
    identifier - String identifier of station or object sending the message
    
    msg - the AX25Message to be recorded
    
    digipeaters - any digipeater stations associated with the message's transmission
    
    isStationName - boolean true if identifier should be forced to upper case (i.e., is a station callsign, not an object identifier)
    
    Returns:
    
    the StationState record to which the message was logged
  - addNewDestination
```
public void addNewDestination(java.lang.String dest)
```
    Add a new destination to the map of destination callsigns and statistics.
    
    Parameters:
    
    dest - String callsign of destination
  - addNewStationIfNeeded
```
public StationState addNewStationIfNeeded(java.lang.String callsign)
```
    Get the current StationState record for the specified station or object, creating a new record if one doesn't currently exist.
    
    Parameters:
    
    callsign - String identifier for the station/object record to find or create
    
    Returns:
    
    StationState record
  - getStationTypeCount
```
public int getStationTypeCount(char symTableId,
                               char symbolCode)
```
    Count the number of known stations of a specified type.
    
    Parameters:
    
    symTableId - code identifying the table or overlay being used (only valid primary or alternate table, or APRS 1.2 extensions known to YAAC)
    
    symbolCode - code identifying the station symbol
    
    Returns:
    
    number of StationState records matching the symbol (or alternate table symbol for overlaid symbols without explicit APRS 1.2 definitions)
  - iterator
```
public java.util.Iterator<StationState> iterator()
```
    Returns an iterator over a set of elements of type StationState.
    
    Specified by:
    
    iterator in interface java.lang.Iterable<StationState>
    
    Returns:
    
    an Iterator.
  - getDirectStationList
```
public java.lang.String[] getDirectStationList(long now)
```
    Get a list of all stations heard directly by this station.
    
    Parameters:
    
    now - reference time (in milliseconds since Java epoch) that messages must not be more than 30 minutes older
    
    Returns:
    
    array of station ID strings directly heard, or null if no locally heard stations
  - getDigipeatersSet
```
public java.util.Set<java.lang.String> getDigipeatersSet()
```
    Get all the callsigns of the first and last digipeaters used by all stations in the history.
    
    Returns:
    
    Set of callsign Strings
  - getDigipeatersMap
```
public java.util.HashMap<java.lang.String,StationTracker.DigipeatStatistics> getDigipeatersMap()
```
    Get the map of first/last digipeater statistics.
    
    Returns:
    
    HashMap of callsign to statistics
  - getFinalSendersSet
```
public java.util.Set<java.lang.String> getFinalSendersSet()
```
    Get all the callsigns of the final digipeaters/I-gates used by all stations in the history.
    
    Returns:
    
    Set of callsign Strings
  - getDigipeaterStatisticsFor
```
public StationTracker.DigipeatStatistics getDigipeaterStatisticsFor(java.lang.String callsign)
```
    Get the DigipeatStatistics record for the specified callsign if it has ever been used as a first or last digipeater (or last I-gate).
    
    Parameters:
    
    callsign - String digipeater callsign
    
    Returns:
    
    DigipeatStatistics record, or null if not found
  - getDestinationsStringSet
```
public java.util.Set<java.lang.String> getDestinationsStringSet()
```
    Get the sorted set of all destination callsign strings.
    
    Returns:
    
    TreeSet of String station/object names
  - getDestinationsMap
```
public java.util.HashMap<java.lang.String,StationTracker.DestinationStatistics> getDestinationsMap()
```
    Get the raw Map of destination callsigns to statistics counters.
    
    Returns:
    
    HashMap of String callsign to DestinationStatistics
  - addRelayListener
```
public void addRelayListener(DigipeatListener l)
```
    Register a listener that wants to know when a new last digipeater is recorded.
    
    Parameters:
    
    l - DigipeatListener to register
  - removeRelayListener
```
public void removeRelayListener(DigipeatListener l)
```
    Unregister a listener that no longer wants to know when a new last digipeater is recorded.
    
    Parameters:
    
    l - DigipeatListener to unregister
  - isRelayListener
```
public boolean isRelayListener(DigipeatListener l)
```
    Test if the specified DigipeatListener is registered for last digipeater updates.
    
    Parameters:
    
    l - DigipeatListener to look for
    
    Returns:
    
    boolean true if registered for last digipeater events, false if not
  - add1stDigiListener
```
public void add1stDigiListener(DigipeatListener l)
```
    Register a listener that wants to know when a new first digipeater is recorded.
    
    Parameters:
    
    l - DigipeatListener to register
  - remove1stDigiListener
```
public void remove1stDigiListener(DigipeatListener l)
```
    Unregister a listener that no longer wants to know when a new first digipeater is recorded.
    
    Parameters:
    
    l - DigipeatListener to unregister
  - is1stDigiListener
```
public boolean is1stDigiListener(DigipeatListener l)
```
    Test if the specified DigipeatListener is registered for first digipeater updates.
    
    Parameters:
    
    l - DigipeatListener to look for
    
    Returns:
    
    boolean true if registered for first digipeater events, false if not
  - addDestinationListener
```
public void addDestinationListener(DestinationListener l)
```
    Register a listener that wants to know when a new tocall or explicit network destination is recorded.
    
    Parameters:
    
    l - DestinationListener to register
  - removeDestinationListener
```
public void removeDestinationListener(DestinationListener l)
```
    Remove a listener that no longer wants to know when a new tocall or explicit network destination is recorded.
    
    Parameters:
    
    l - DestinationListener to unregister
  - getRangeLimitFilter
```
public RadiusFilter getRangeLimitFilter()
```
    Get a reference to the RadiusFilter used for deciding if a station or object has changed between being in-range and out-of-range.
    
    Returns:
    
    RadiusFilter instance

Class StationTracker

Nested Class Summary

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface java.lang.Iterable

Field Detail

IGATE

HEAP_UPPER_PERCENT_THRESHOLD

Method Detail

buildLocalCapabilities

addCapabilitiesProvider

removeCapabilitiesProvider

isOptimizeTransmits

setOptimizeTransmits

findBestConnectorForStation

purgeStaleTraffic

addPurgeListener

removePurgeListener

getTrackedObject

getCurrentNameSet

getCurrentTrackedObjectList

getCurrentTrackedObjectList

getCurrentTrackedObjectList

getStationByAlias

getCurrentTrackedObjectArray

getCurrentTrackedObjectArray

getCurrentTrackedObjectArray

hasTacticalAliases

addTrackerListener

removeTrackerListener

fireStationAdded

fireStationUpdated

fireStationDeleted

fireMessageAdded

fireMessageDeleted

toString

deleteStation

getInstance

aprsMessageReceived

parsedAX25MessageReceived

addMessage

addNewDestination

addNewStationIfNeeded

getStationTypeCount

iterator

getDirectStationList

getDigipeatersSet

getDigipeatersMap

getFinalSendersSet

getDigipeaterStatisticsFor

getDestinationsStringSet

getDestinationsMap

addRelayListener

removeRelayListener

isRelayListener

add1stDigiListener

remove1stDigiListener

is1stDigiListener

addDestinationListener

removeDestinationListener

getRangeLimitFilter