SyncVar

@deprecated("Use `java.util.concurrent.LinkedBlockingQueue with capacity 1` instead.", since = "2.13.0")
class SyncVar[A]

A class to provide safe concurrent access to a mutable cell. All methods are synchronized.

Type parameters:
A

type of the contained value

Deprecated
[Since version 2.13.0]
Source:
SyncVar.scala
class Object
trait Matchable
class Any

Value members

Concrete methods

def get: A

Wait for this SyncVar to become defined and then get the stored value without modifying it.

Wait for this SyncVar to become defined and then get the stored value without modifying it.

Returns:

value that is held in this container

Source:
SyncVar.scala
def get(timeout: Long): Option[A]

Wait at least timeout milliseconds (possibly more) for this SyncVar to become defined and then get its value.

Wait at least timeout milliseconds (possibly more) for this SyncVar to become defined and then get its value.

Value parameters:
timeout

time in milliseconds to wait

Returns:

None if variable is undefined after timeout, Some(value) otherwise

Source:
SyncVar.scala

Check whether a value is stored in the synchronized variable.

Check whether a value is stored in the synchronized variable.

Source:
SyncVar.scala
def put(x: A): Unit

Place a value in the SyncVar.

Place a value in the SyncVar. If the SyncVar already has a stored value, wait until another thread takes it.

Source:
SyncVar.scala
def take(): A

Wait for this SyncVar to become defined and then get the stored value, unsetting it as a side effect.

Wait for this SyncVar to become defined and then get the stored value, unsetting it as a side effect.

Returns:

value that was held in this container

Source:
SyncVar.scala
def take(timeout: Long): A

Wait at least timeout milliseconds (possibly more) for this SyncVar to become defined and then get the stored value, unsetting it as a side effect.

Wait at least timeout milliseconds (possibly more) for this SyncVar to become defined and then get the stored value, unsetting it as a side effect.

Value parameters:
timeout

the amount of milliseconds to wait

Returns:

the value or a throws an exception if the timeout occurs

Throws:
NoSuchElementException

on timeout

Source:
SyncVar.scala