org.apache.flink.runtime.util

Class AtomicDisposableReferenceCounter

java.lang.Object

org.apache.flink.runtime.util.AtomicDisposableReferenceCounter

public class AtomicDisposableReferenceCounter
extends Object

Atomic reference counter, which enters a "disposed" state after it reaches a configurable reference count (default 0).

Constructor Summary

Constructors

Constructor and Description
AtomicDisposableReferenceCounter()
AtomicDisposableReferenceCounter(int disposeOnReferenceCount)

Method Summary

Modifier and Type	Method and Description
boolean	decrement() Decrements the reference count and returns whether the reference counter entered the disposed state.
boolean	disposeIfNotUsed()
int	get()
boolean	increment() Increments the reference count and returns whether it was successful.
boolean	isDisposed() Returns whether the reference count has reached the disposed state.

Methods inherited from class java.lang.Object

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

Constructor Detail

AtomicDisposableReferenceCounter

public AtomicDisposableReferenceCounter()

AtomicDisposableReferenceCounter

public AtomicDisposableReferenceCounter(int disposeOnReferenceCount)

Method Detail

increment

public boolean increment()

Increments the reference count and returns whether it was successful.

If the method returns false, the counter has already been disposed. Otherwise it returns true.

decrement

public boolean decrement()

Decrements the reference count and returns whether the reference counter entered the disposed state.

If the method returns true, the decrement operation disposed the counter. Otherwise it returns false.

get

public int get()

isDisposed

public boolean isDisposed()

Returns whether the reference count has reached the disposed state.

disposeIfNotUsed

public boolean disposeIfNotUsed()