Distributed Unique Identify.
- like objectId, a process can generator id
2^24-1per second. - Container
20chars in id - Use database to assign unique machineId.
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();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.
String id = Identify.nextId();assert Identify.isValid(id);