com.airs.handlers

Class SystemHandler

java.lang.Object

com.airs.handlers.SystemHandler

All Implemented Interfaces:

Handler

public class SystemHandler
extends Object
implements Handler

Class to read system related sensors, specifically the Ba, BV, Bc, BM, Rm, Sc, HS, IC, OC, SR, SS, TR, TV, TE sensor

See Also:

Handler

Constructor Summary

Constructors

Constructor and Description
SystemHandler(Context airs) Constructor, allocating all necessary resources for the handler Here, it's only arming the semaphores and obtaining a reference to the {android.app.ActivityManager} for the task information

Method Summary

Methods

Modifier and Type	Method and Description
byte[]	Acquire(String sensor, String query) Method to acquire sensor data Here, we start various receivers for system data upon first Acquire() call
void	destroyHandler() Method to release all handler resources Here, we unregister the broadcast receiver and release all semaphores
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
void	History(String sensor) Method to view historical chart of the given sensor symbol
String	Share(String sensor) Method to share the last value of the given sensor

Methods inherited from class java.lang.Object

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

Constructor Detail

SystemHandler

public SystemHandler(Context airs)

Constructor, allocating all necessary resources for the handler Here, it's only arming the semaphores and obtaining a reference to the {android.app.ActivityManager} for the task information

Parameters:

airs - Reference to the calling Context

Method Detail

Acquire

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

Method to acquire sensor data Here, we start various receivers for system data upon first Acquire() call

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

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

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

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 broadcast receiver and release all semaphores

Specified by:

destroyHandler in interface Handler

See Also:

Handler.destroyHandler()