avocado-old/packages/net/s13n/synchronized.js
2019-09-30 20:08:05 -05:00

83 lines
1.7 KiB
JavaScript

import {idFromSynchronized} from './registry';
import {SynchronizedCreatePacket} from './synchronized-create.packet';
import {SynchronizedDestroyPacket} from './synchronized-destroy.packet';
export function SynchronizedMixin(Superclass) {
return class Synchronized extends Superclass {
constructor(...args) {
super(...args);
this._idempotentPackets = [];
}
cleanPackets() {
this._idempotentPackets = [];
}
createPacket(informed) {
const id = this.synchronizationId();
const type = idFromSynchronized(this.constructor);
return new SynchronizedCreatePacket({
synchronized: {
id,
type,
},
spec: this.toNetwork(informed),
});
}
destroy() {}
destroyPacket(informed) {
const id = this.synchronizationId();
const type = idFromSynchronized(this.constructor);
return new SynchronizedDestroyPacket({
synchronized: {
id,
type,
},
});
}
fromNetwork(json) {
this.fromJSON(json);
}
packets(informed) {
return [];
}
packetsAreIdempotent() {
return true;
}
packetsFor(informed) {
if (this._idempotentPackets.length > 0) {
return this._idempotentPackets;
}
let packets = this.packets(informed);
if (!packets) {
return [];
}
if (!Array.isArray(packets)) {
packets = [packets];
}
if (this.packetsAreIdempotent()) {
this._idempotentPackets = packets;
}
return packets;
}
synchronizationId() {
return 0;
}
toNetwork(informed) {
return this.toJSON();
}
}
}