com.firefly.utils.concurrent

类 IteratingNestedCallback

java.lang.Object

com.firefly.utils.concurrent.IteratingCallback

com.firefly.utils.concurrent.IteratingNestedCallback

所有已实现的接口:

Callback

public abstract class IteratingNestedCallback
extends IteratingCallback

Iterating Nested Callback.

This specialized callback is used when breaking up an asynchronous task into smaller asynchronous tasks. A typical pattern is that a successful callback is used to schedule the next sub task, but if that task completes quickly and uses the calling thread to callback the success notification, this can result in a growing stack depth.

To avoid this issue, this callback uses an AtomicBoolean to note if the success callback has been called during the processing of a sub task, and if so then the processing iterates rather than recurses.

This callback is passed to the asynchronous handling of each sub task and a call the IteratingCallback.succeeded() on this call back represents completion of the subtask. Only once all the subtasks are completed is the Callback.succeeded() method called on the Callback instance passed the the IteratingNestedCallback(Callback) constructor.

嵌套类概要

从类继承的嵌套类/接口 com.firefly.utils.concurrent.IteratingCallback

IteratingCallback.Action

从接口继承的嵌套类/接口 com.firefly.utils.concurrent.Callback

Callback.Completable, Callback.Nested, Callback.NonBlocking

字段概要

从接口继承的字段 com.firefly.utils.concurrent.Callback

NOOP

构造器概要

构造器

构造器和说明
IteratingNestedCallback(Callback callback)

方法概要

限定符和类型	方法和说明
boolean	isNonBlocking()
protected void	onCompleteFailure(Throwable x) Invoked when the overall task has completed with a failure.
protected void	onCompleteSuccess() Invoked when the overall task has completed successfully.
String	toString()

从类继承的方法 com.firefly.utils.concurrent.IteratingCallback

close, failed, isClosed, isFailed, isSucceeded, iterate, process, reset, succeeded

从类继承的方法 java.lang.Object

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

从接口继承的方法 com.firefly.utils.concurrent.Callback

from, from

构造器详细资料

IteratingNestedCallback

public IteratingNestedCallback(Callback callback)

方法详细资料

isNonBlocking

public boolean isNonBlocking()

返回:

True if the callback is known to never block the caller

onCompleteSuccess

protected void onCompleteSuccess()

从类复制的说明: IteratingCallback

Invoked when the overall task has completed successfully.

覆盖:

onCompleteSuccess 在类中 IteratingCallback

另请参阅:

IteratingCallback.onCompleteFailure(Throwable)

onCompleteFailure

protected void onCompleteFailure(Throwable x)

从类复制的说明: IteratingCallback

Invoked when the overall task has completed with a failure.

覆盖:

onCompleteFailure 在类中 IteratingCallback

参数:

x - the throwable to indicate cause of failure

另请参阅:

IteratingCallback.onCompleteSuccess()

toString

public String toString()

覆盖:

toString 在类中 IteratingCallback