febs-identify-spring-cloud-starter

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-spring-cloud-starter</artifactId>
    <version>0.0.5</version>
</dependency>

config

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.

usage:

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()