water
Class TAtomic<T extends Iced>

java.lang.Object
  jsr166y.ForkJoinTask<java.lang.Void>
      jsr166y.CountedCompleter
          water.H2O.H2OCountedCompleter
              water.DTask
                  water.Atomic<TAtomic<T>>
                      water.TAtomic<T>

All Implemented Interfaces:

java.io.Serializable, java.util.concurrent.Future<java.lang.Void>, Freezable

public abstract class TAtomic<T extends Iced>
extends Atomic<TAtomic<T>>

A typed atomic update.

See Also:

Serialized Form

Field Summary

Fields inherited from class water.Atomic

_key

Fields inherited from class water.DTask

_cls, _eFromNode, _exception, _fname, _lineNum, _msg, _mth

Constructor Summary

TAtomic()

Method Summary

abstract T	atomic(T old) Atomically update an old value to a new one.
Value	atomic(Value val)

Methods inherited from class water.Atomic

compute2, fork, invoke, onSuccess, priority

Methods inherited from class water.DTask

clone, copyOver, dinvoke, frozenType, getDException, hasException, logVerbose, newInstance, onAck, onAckAck, onExceptionalCompletion, read, setException, toDocField, write, writeJSONFields

Methods inherited from class water.H2O.H2OCountedCompleter

compute

Methods inherited from class jsr166y.CountedCompleter

addToPendingCount, compareAndSetPendingCount, complete, exec, getCompleter, getPendingCount, getRawResult, onCompletion, setCompleter, setPendingCount, setRawResult, tryComplete

Methods inherited from class jsr166y.ForkJoinTask

adapt, adapt, adapt, cancel, compareAndSetForkJoinTaskTag, completeExceptionally, fork, get, get, getException, getForkJoinTaskTag, getPool, getQueuedTaskCount, getSurplusQueuedTaskCount, helpQuiesce, inForkJoinPool, invoke, invokeAll, invokeAll, invokeAll, isCancelled, isCompletedAbnormally, isCompletedNormally, isDone, join, peekNextLocalTask, pollNextLocalTask, pollTask, quietlyComplete, quietlyInvoke, quietlyJoin, reinitialize, setForkJoinTaskTag, tryUnfork

Methods inherited from class java.lang.Object

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

Constructor Detail

TAtomic

public TAtomic()

Method Detail

atomic

public abstract T atomic(T old)

Atomically update an old value to a new one.

Parameters:

old - The old value, it may be null. It is a defensive copy.

Returns:

The new value; if null if this atomic update no longer needs to be run

atomic

public Value atomic(Value val)

Specified by:

atomic in class Atomic<TAtomic<T extends Iced>>