Class AtomicCounterLong

An atomic 64 bit integer counter.

Inheritance
Object
AtomicCounterLong
Implements
Inherited Members
Namespace: Akka.Util.Internal
Assembly: Akka.dll
Syntax
public class AtomicCounterLong : IAtomicCounter<long>

Constructors

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AtomicCounterLong()

Creates an instance of an AtomicCounterLong with a starting value of -1.

Declaration
public AtomicCounterLong()
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AtomicCounterLong(Int64)

Creates an instance of an AtomicCounterLong.

Declaration
public AtomicCounterLong(long value)
Parameters
Type Name Description
Int64 value

The initial value of this counter.

Properties

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Current

Retrieves the current value of the counter

Declaration
public long Current { get; }
Property Value
Type Description
Int64

Methods

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AddAndGet(Int64)

Adds an amount to the counter and returns the new value.

Declaration
public long AddAndGet(long amount)
Parameters
Type Name Description
Int64 amount

The amount to add to the counter.
Returns
Type Description
Int64

The new counter value.
Remarks

This uses a CAS loop as Interlocked.Increment is not atomic for longs on 32bit systems.

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CompareAndSet(Int64, Int64)

Compares current counter value with provided expected value, and sets it to newValue if compared values where equal. Returns true if replacement has succeed.

Declaration
public bool CompareAndSet(long expected, long newValue)
Parameters
Type Name Description
Int64 expected

TBD
Int64 newValue

TBD
Returns
Type Description
Boolean

TBD
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DecrementAndGet()

Atomically decrements the counter by one

Declaration
public long DecrementAndGet()
Returns
Type Description
Int64

The new value
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GetAndAdd(Int64)

Gets the current value of the counter and adds an amount to it.

Declaration
public long GetAndAdd(long amount)
Parameters
Type Name Description
Int64 amount

The amount to add to the counter.
Returns
Type Description
Int64

The original value.
Remarks

This uses a CAS loop as Interlocked.Increment is not atomic for longs on 32bit systems.

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GetAndIncrement()

Atomically increments the counter by one.

Declaration
public long GetAndIncrement()
Returns
Type Description
Int64

The original value.
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GetAndSet(Int64)

Returns current counter value and sets a new value on it's place in one operation.

Declaration
public long GetAndSet(long value)
Parameters
Type Name Description
Int64 value

TBD
Returns
Type Description
Int64

TBD
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IncrementAndGet()

Atomically increments the counter by one.

Declaration
public long IncrementAndGet()
Returns
Type Description
Int64

The new value.
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Next()

Increments the counter and returns the next value.

Declaration
public long Next()
Returns
Type Description
Int64

TBD
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Reset()

Resets the counter to zero.

Declaration
public void Reset()
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ToString()

TBD

Declaration
public override string ToString()
Returns
Type Description
String

TBD
Overrides

Implements

Extension Methods