com.airs.handlers

Class MediaWatcherHandler

java.lang.Object

com.airs.handlers.MediaWatcherHandler

All Implemented Interfaces:

Handler

public class MediaWatcherHandler
extends Object
implements Handler

Class to read media watcher sensors, specifically the MW sensor

See Also:

Handler

Constructor Summary

Constructors

Constructor and Description
MediaWatcherHandler(Context airs) Constructor, allocating all necessary resources for the handler Here, it's reading the persistent preferences Then, we determine the appropriate directories and arm the semaphore Finally, it's arming the semaphore

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	Acquire(String sensor, String query) Method to acquire sensor data Here, we install the appropriate watchers based on the user selection in the configuration
void	destroyHandler() Method to release all handler resources Here, we unregister the watchers and release the handler semaphore
void	Discover() Method to discover the sensor symbols support by this handler As the result of the discovery, appropriate Sensor entries will be added to the SensorRepository, if any watching is selected by the user in the configuration
void	History(String sensor) Method to view historical chart of the given sensor symbol - doing nothing here!
String	Share(String sensor) Method to share the last value of the given sensor - doing nothing here!

Methods inherited from class java.lang.Object

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

Constructor Detail

MediaWatcherHandler

public MediaWatcherHandler(Context airs)

Constructor, allocating all necessary resources for the handler Here, it's reading the persistent preferences Then, we determine the appropriate directories and arm the semaphore Finally, it's arming the semaphore

Parameters:

airs - Reference to the calling Context

Method Detail

Acquire

public byte[] Acquire(String sensor,
             String query)

Method to acquire sensor data Here, we install the appropriate watchers based on the user selection in the configuration

Specified by:

Acquire in interface Handler

Parameters:

sensor - String of the sensor symbol

query - String of the query to be fulfilled - not used here

See Also:

Handler.Acquire(java.lang.String, java.lang.String)

Share

public String Share(String sensor)

Method to share the last value of the given sensor - doing nothing here!

Specified by:

Share in interface Handler

Parameters:

sensor - String of the sensor symbol to be shared

Returns:

human-readable string of the last sensor value

See Also:

Handler.Share(java.lang.String)

History

public void History(String sensor)

Method to view historical chart of the given sensor symbol - doing nothing here!

Specified by:

History in interface Handler

Parameters:

sensor - String of the symbol for which the history is being requested

See Also:

Handler.History(java.lang.String)

Discover

public void Discover()

Method to discover the sensor symbols support by this handler As the result of the discovery, appropriate Sensor entries will be added to the SensorRepository, if any watching is selected by the user in the configuration

Specified by:

Discover in interface Handler

See Also:

Handler.Discover(), Sensor, SensorRepository

destroyHandler

public void destroyHandler()

Method to release all handler resources Here, we unregister the watchers and release the handler semaphore

Specified by:

destroyHandler in interface Handler

See Also:

Handler.destroyHandler()