node-id-gen - A sequence id generation services using nodejs + redis + lua
npm install node-id-genjs
var nodeIdGen = require('node-id-gen');
var redisClient = require('redis').createClient();nodeIdGen.init(redisClient);
//create a auto increment sequence for userId
nodeIdGen.createSequence({'name': 'userId'});
//next method which is promise and return the sequence
nodeIdGen.next('userId').then(function(seq) {
console.log(seq); // 1
}).catch(function(err) {
console.log(err);
});
`Options ##
We have few options with init() method
js
nodeIdGen.init(redisClient, {
'retryTimes': 10, //default 100
'retryDelay': 500 //default 500 (in milliseconds)
});
`
Options while creating a new sequence
js
nodeIdGen.createSequence({
'name': 'userId',
'startSequence': 1000, //default its 0 which 1 if call next() sequence
'maxSequence': 999999 //default its 999999999 after which next() method shall throw error
});
``