com.mbientlab.metawear

Interface Data

public interface Data

A sample of sensor data

Method Summary

Modifier and Type	Method and Description
byte[]	bytes() Raw byte representation of the data value
<T> T	extra(java.lang.Class<T> clazz) Extra information attached to this data sample
java.lang.String	formattedTimestamp() String representation of the timestamp in the format YYYY-MM-DDTHH:MM:SS.LLL.
float	scale() LSB to units ratio.
java.util.Calendar	timestamp() Time of when the data was received (streaming) or created (logging)
java.lang.Class<?>[]	types() Classes that can be used when calling value(Class)
<T> T	value(java.lang.Class<T> clazz) Converts the data bytes to a usable data type

Method Detail

timestamp

java.util.Calendar timestamp()

Time of when the data was received (streaming) or created (logging)

Returns:

Data timestamp

formattedTimestamp

java.lang.String formattedTimestamp()

String representation of the timestamp in the format YYYY-MM-DDTHH:MM:SS.LLL. The timezone of the string will be the local device's current timezone.

Returns:

Formatted string representing the timestamp

scale

float scale()

LSB to units ratio. Only used if developer is manually type casting the returned byte array from the bytes() method

Returns:

Value corresponding to 1 unit

bytes

byte[] bytes()

Raw byte representation of the data value

Returns:

Byte array of the value

types

java.lang.Class<?>[] types()

Classes that can be used when calling value(Class)

Returns:

Array of valid classes

value

<T> T value(java.lang.Class<T> clazz)

Converts the data bytes to a usable data type

Type Parameters:

T - Runtime type the return value is casted as

Parameters:

clazz - Class type to convert the value to

Returns:

Data value as the specified type

Throws:

java.lang.ClassCastException - if the data cannot be casted to desired type

extra

<T> T extra(java.lang.Class<T> clazz)

Extra information attached to this data sample

Type Parameters:

T - Runtime type the return value is casted as

Parameters:

clazz - Class type to convert the value to

Returns:

Extra data casted as the specified type

Throws:

java.lang.ClassCastException - if the data cannot be casted to the desired type