loopback-datasource-juggler/lib/kvao/set.js

41 lines
1.1 KiB
JavaScript

'use strict';
var assert = require('assert');
var utils = require('../utils');
/**
* Set the value for the given key.
*
* @param {String} key
* @param {*} value
* @callback cb
* @param {Error} error
*
* @header KVAO.set(key, value, cb)
*/
module.exports = function keyValueSet(key, value, options, callback) {
if (callback == undefined && typeof options === 'function') {
callback = options;
options = {};
} else if (typeof options === 'number') {
options = { ttl: options };
} else if (!options) {
options = {};
}
assert(typeof key === 'string' && key, 'key must be a non-empty string');
assert(value != null, 'value must be defined and not null');
assert(typeof options === 'object', 'options must be an object');
if (options && 'ttl' in options) {
assert(typeof options.ttl === 'number' && options.ttl > 0,
'options.ttl must be a positive number');
}
callback = callback || utils.createPromiseCallback();
// TODO convert possible model instance in "value" to raw data via toObect()
this.getConnector().set(this.modelName, key, value, options, callback);
return callback.promise;
};