com.mbientlab.metawear

Class Message

java.lang.Object

com.mbientlab.metawear.Message

Direct Known Subclasses:

BatteryStateMessage, Bme280HumidityMessage, Bmi160FlatMessage, Bmi160LowHighMessage, Bmi160MotionMessage, Bmi160OrientationMessage, Bmi160TapMessage, Bmi160ThreeAxisMessage, Bmm150ThreeAxisMessage, Bmm150ThresholdMessage, Bmp280AltitudeMessage, Bmp280PressureMessage, I2CMessage, Mma8452qMovementMessage, Mma8452qOrientationMessage, Mma8452qTapMessage, Mma8452qThreeAxisMessage, SensorFusionCartesianFloatMessage, SensorFusionCorrectedAccMessage, SensorFusionCorrectedCartesianFloatMessage, SensorFusionEulerAnglesMessage, SensorFusionQuaternionMessage, SignedMessage, SPIMessage, Tcs34725ColorMessage, TemperatureMessage, UnsignedMessage

public abstract class Message
extends java.lang.Object

Container class for a sample of sensor data.

Constructor Summary

Constructors

Constructor and Description
Message(byte[] data) Creates a new Message for data streamed to the phone / tablet.
Message(java.util.Calendar timestamp, byte[] data) Creates a new Message for data received from the logger.

Method Summary

Modifier and Type	Method and Description
byte[]	getData() Retrieves the sensor data as is.
abstract <T> T	getData(java.lang.Class<T> type) Interprets the data as the given type.
java.util.Calendar	getTimestamp() Retrieves the timestamp of when the data was either logged or received from a stream.
java.lang.String	getTimestampAsString() Retrieves the data timestamp as a formatted string.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Message

public Message(byte[] data)

Creates a new Message for data streamed to the phone / tablet.

Parameters:

data - Data from a sensor stream

Message

public Message(java.util.Calendar timestamp,
               byte[] data)

Creates a new Message for data received from the logger.

Parameters:

timestamp - Date and time of when the data was created

data - Sensor data from the logger

Method Detail

getTimestamp

public java.util.Calendar getTimestamp()

Retrieves the timestamp of when the data was either logged or received from a stream. The timestamp will not be accurate for high frequency streams (i.e data from the accelerometer).

Returns:

Data creation date

getTimestampAsString

public java.lang.String getTimestampAsString()

Retrieves the data timestamp as a formatted string.

Returns:

Formatted string representation of the timestamp

See Also:

getTimestamp()

getData

public byte[] getData()

Retrieves the sensor data as is.

Returns:

Raw sensor data as a byte array

getData

public abstract <T> T getData(java.lang.Class<T> type)

Interprets the data as the given type. Note that sensors can have different interpretations for the same data type.

Parameters:

type - Type to interpret the data as

Returns:

Data as the specified type

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object