brainpoint/febs-identify-java

Distributed unique identify like ObjectId

Febs-identify

Distributed Unique Identify.

• like objectId, a process can generator id 2^24-1 per second.
• Container 20 chars in id
• Use database to assign unique machineId.

How to use

maven config.

<dependency>
    <groupId>cn.brainpoint</groupId>
    <artifactId>febs-identify</artifactId>
    <version>0.0.5</version>
</dependency>

Generate the ID using the following code:

import cn.brainpoint.febs.identify.*;

String uniqueId = Identify.nextId();

Initialize

import cn.brainpoint.febs.identify.*;

Identify.initialize(new IdentifyCfg(
    "mysql",
    "localhost:3306/xx",
    "username",
    "password",
));

Use database to assign unique machineId. It will use '_distribute_machineId' to named table if not specify a table name.

This method can be invoked multiple times in response to dynamic changes to the application configuration.

Generate a New Id

String id = Identify.nextId();

Valid Id

assert Identify.isValid(id);