2020-05-29 05:37:34 -04:00
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/*
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* Copyright © 2020 Luciano Iam <lucianito@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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import { Message } from './protocol.js';
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2020-06-14 06:10:30 -04:00
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import Observable from './observable.js';
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2020-05-29 05:37:34 -04:00
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export class Component extends Observable {
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2020-06-14 06:06:54 -04:00
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constructor (channel) {
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super(null);
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this._channel = channel;
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}
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2020-05-29 05:37:34 -04:00
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get channel () {
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2020-06-14 06:06:54 -04:00
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return this._channel;
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2020-05-29 05:37:34 -04:00
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}
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on (property, callback) {
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this.addObserver(property, (self) => callback(self[property]));
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}
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send (node, addr, val) {
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this.channel.send(new Message(node, addr, val));
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}
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handle (node, addr, val) {
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return false;
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}
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handleMessage (msg) {
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return this.handle(msg.node, msg.addr, msg.val);
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}
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updateLocal (property, value) {
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this['_' + property] = value;
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this.notifyObservers(property);
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}
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updateRemote (property, value, node, addr) {
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this['_' + property] = value;
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this.send(node, addr || [], [value]);
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}
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}
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2020-06-14 06:06:54 -04:00
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export class ChildComponent extends Component {
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constructor (parent) {
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super();
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this._parent = parent;
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}
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2020-05-29 05:37:34 -04:00
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get channel () {
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2020-06-14 06:06:54 -04:00
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return this._parent.channel;
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2020-05-29 05:37:34 -04:00
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}
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}
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2020-06-14 06:06:54 -04:00
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export class AddressableComponent extends ChildComponent {
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2020-05-29 05:37:34 -04:00
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constructor (parent, addr) {
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super(parent);
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this._addr = addr;
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}
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get addr () {
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return this._addr;
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}
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get addrId () {
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return this._addr.join('-');
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}
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updateRemote (property, value, node) {
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super.updateRemote(property, value, node, this.addr);
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}
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}
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