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-spring-cloud-starter</artifactId>
<version>0.0.5</version>
</dependency>bootstrap.properties
febs.identify.db.type = mysql
febs.identify.db.url = localhost:3306/xx
febs.identify.db.username = username
febs.identify.db.password = password
febs.identify.db.tablename = machine_id # db table use to store meachine id.
febs.identify.db.retryCount = 1
febs.identify.db.connectTimeout = 5000 # connectTimeout connect timeout in milliseconds.
febs.identify.createMachineIdSelf = false # create a machine id in this instance.If configured have createMachineIdSelf=true, then can do the following:
import cn.brainpoint.febs.identify.Identify;
// create next id.
Identify.nextId();
// validate id.
assert Identify.isValid(id);Following to make a new machine id:
import cn.brainpoint.febs.identify.Identify;
// Generate a new machine id.
Identify.generateNewMachineId()