Zookeeper Application Scenario-example of a distributed lock implementation

Code Runtime Environment:

1. Download zookeeper-3.4.*.tar.gz Source Package

2. Create a new Java Project, such as TestProject

3, see inside the Zookeeper-3.4.*/recipes/lock directory, according to the source package path paste to TestProject.

1) writelocktest associated classes more will not copy

2) Curator's jar package download https://repo1.maven.org/maven2/org/apache/curator/curator-recipes/

Curator Home: http://curator.apache.org/curator-examples/index.html

The other jars are in the Zookeeper unpacking package.

4, download the example of zookeeper lock

Https://github.com/sleberknight/zookeeper-samples/tree/master/src/main/java/com/nearinfinity/examples/zookeeper

This package provides 4 ways to run, such as a red callout, and if you only run Workerusingblockingwritelock, you do not need a curator jar

If you run Workerusingcurator and workerusingwritelockrecipe, you need to curator the jar.

Below we run Workerusingblockingwritelock, because the purpose is to understand the principle, only to run a client on this machine, the output is as follows: