Package edu.wpi.first.networktables

Interface StringArraySubscriber

All Superinterfaces:

AutoCloseable, PubSub, Subscriber, Supplier<String[]>

All Known Subinterfaces:

StringArrayEntry

public interface StringArraySubscriber
extends Subscriber, Supplier<String[]>

NetworkTables StringArray subscriber.

Method Summary

Modifier and Type	Method	Description
String[]	get()	Get the last published value.
String[]	get(String[] defaultValue)	Get the last published value.
TimestampedStringArray	getAtomic()	Get the last published value along with its timestamp If no value has been published, returns the stored default value and a timestamp of 0.
TimestampedStringArray	getAtomic(String[] defaultValue)	Get the last published value along with its timestamp If no value has been published, returns the passed defaultValue and a timestamp of 0.
StringArrayTopic	getTopic()	Get the corresponding topic.
TimestampedStringArray[]	readQueue()	Get an array of all value changes since the last call to readQueue.
String[][]	readQueueValues()	Get an array of all value changes since the last call to readQueue.

Methods inherited from interface edu.wpi.first.networktables.PubSub

close, getHandle, isValid

Methods inherited from interface edu.wpi.first.networktables.Subscriber

exists, getLastChange

Method Details

getTopic

StringArrayTopic getTopic()

Get the corresponding topic.

Specified by:

getTopic in interface PubSub

Returns:

Topic

get

String[] get()

Get the last published value. If no value has been published, returns the stored default value.

Specified by:

get in interface Supplier<String[]>

Returns:

value

get

String[] get(String[] defaultValue)

Get the last published value. If no value has been published, returns the passed defaultValue.

Parameters:

defaultValue - default value to return if no value has been published

Returns:

value

getAtomic

TimestampedStringArray getAtomic()

Get the last published value along with its timestamp If no value has been published, returns the stored default value and a timestamp of 0.

Returns:

timestamped value

getAtomic

TimestampedStringArray getAtomic(String[] defaultValue)

Get the last published value along with its timestamp If no value has been published, returns the passed defaultValue and a timestamp of 0.

Parameters:

defaultValue - default value to return if no value has been published

Returns:

timestamped value

readQueue

TimestampedStringArray[] readQueue()

Get an array of all value changes since the last call to readQueue. Also provides a timestamp for each value.

The "poll storage" subscribe option can be used to set the queue depth.

Returns:

Array of timestamped values; empty array if no new changes have been published since the previous call.

readQueueValues

String[][] readQueueValues()

Get an array of all value changes since the last call to readQueue.

The "poll storage" subscribe option can be used to set the queue depth.

Returns:

Array of values; empty array if no new changes have been published since the previous call.