Apache Ignite Quick Start Guide

CountDownLatch

Java 5 introduced the java.util.concurrent package for concurrent programming. It contains many useful utility classes, such as the CountDownLatch class for synchronizing threads within a JVM. Apache Ignite's IgniteCountDownLatch synchronizes threads across the cluster nodes.

You can create a IgniteCountDownLatch using the following syntax: IgniteCountDownLatch latch = ignite.countDownLatch(name, cnt, autoDel, create);

The countDownLatch method accepts the following arguments:

• name: The name of the latch.
• cnt: The count for new latch creation. If the create flag is false (it means you want to fetch an existing), then this value is ignored.
• autoDel: If this flag is true, then the latch will be deleted from cache when its count ...