org.elasticsearch.common.util.concurrent

クラス CountDown

java.lang.Object

org.elasticsearch.common.util.concurrent.CountDown

public final class CountDown
extends Object

A simple thread safe count-down class that in contrast to a CountDownLatch never blocks. This class is useful if a certain action has to wait for N concurrent tasks to return or a timeout to occur in order to proceed.

コンストラクタのサマリー

コンストラクタ

コンストラクタと説明
CountDown(int count)

メソッドのサマリー

修飾子とタイプ	メソッドと説明
boolean	countDown() Decrements the count-down and returns true iff this call reached zero otherwise false
boolean	fastForward() Fast forwards the count-down to zero and returns true iff the count down reached zero with this fast forward call otherwise false
boolean	isCountedDown() Returns true iff the count-down has reached zero.

クラスから継承されたメソッド java.lang.Object

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

コンストラクタの詳細

CountDown

public CountDown(int count)

メソッドの詳細

countDown

public boolean countDown()

Decrements the count-down and returns true iff this call reached zero otherwise false

fastForward

public boolean fastForward()

Fast forwards the count-down to zero and returns true iff the count down reached zero with this fast forward call otherwise false

isCountedDown

public boolean isCountedDown()

Returns true iff the count-down has reached zero. Otherwise false