diff options
Diffstat (limited to 'examples/scala-js/javalib/src/main/scala/java/util/concurrent/atomic/AtomicLong.scala')
-rw-r--r-- | examples/scala-js/javalib/src/main/scala/java/util/concurrent/atomic/AtomicLong.scala | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/examples/scala-js/javalib/src/main/scala/java/util/concurrent/atomic/AtomicLong.scala b/examples/scala-js/javalib/src/main/scala/java/util/concurrent/atomic/AtomicLong.scala new file mode 100644 index 0000000..5bfecf2 --- /dev/null +++ b/examples/scala-js/javalib/src/main/scala/java/util/concurrent/atomic/AtomicLong.scala @@ -0,0 +1,61 @@ +package java.util.concurrent.atomic + +class AtomicLong(private[this] var value: Long) extends Number with Serializable { + def this() = this(0L) + + final def get(): Long = value + + final def set(newValue: Long): Unit = + value = newValue + + final def lazySet(newValue: Long): Unit = + set(newValue) + + final def getAndSet(newValue: Long): Long = { + val old = value + value = newValue + old + } + + final def compareAndSet(expect: Long, update: Long): Boolean = { + if (expect != value) false else { + value = update + true + } + } + + final def weakCompareAndSet(expect: Long, update: Long): Boolean = + compareAndSet(expect, update) + + final def getAndIncrement(): Long = + getAndAdd(1L) + + final def getAndDecrement(): Long = + getAndAdd(-1L) + + @inline final def getAndAdd(delta: Long): Long = { + val old = value + value = old + delta + old + } + + final def incrementAndGet(): Long = + addAndGet(1L) + + final def decrementAndGet(): Long = + addAndGet(-1L) + + @inline final def addAndGet(delta: Long): Long = { + val newValue = value + delta + value = newValue + newValue + } + + override def toString(): String = + value.toString() + + def intValue(): Int = value.toInt + def longValue(): Long = value + def floatValue(): Float = value.toFloat + def doubleValue(): Double = value.toDouble +} |