2.0.0 • Published 6 years ago
@lgslabs/bits-auto-discovery v2.0.0
BITS auto-discovery
A BITS library to facilitate auto discovery of resources.
How to use a ResourceManager
const {ResourceManager} = require('../..');
class ModuleApp {
constructor() {
this._numbersResources = new ResourceManager();
this._numbersResources.on('add', (res) => {
console.log(`New 'numbers' resource: ${res.getUuid()}`);
res.on('value', (value) => console.log(`Resource ${res.getUuid()} changed value:`, value));
});
}
load(messageCenter) {
return this._numbersResources.load({messageCenter, topic: 'numbers'});
}
unload() {
return this._numbersResources.unload();
}
}
How to use a LocalResource
const {LocalResource} = require('../..');
class ModuleApp {
constructor() {
this._resource = new LocalResource();
this._interval = null;
}
load(messageCenter) {
return Promise.resolve()
.then(() => this._resource.load({messageCenter, topic: 'numbers', value: -1}))
.then(() => {
this._interval = setInterval(() => {
const num = this._getRandomInt();
this._resource.setValue(num);
}, 2000);
});
}
unload() {
return Promise.resolve()
.then(() => {
clearInterval(this._interval);
this._interval = null;
})
.then(() => this._resource.unload());
}
_getRandomInt({min=0, max=100}={}) {
return Math.floor(Math.random() * (max - min) + min);
}
}