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);