radio/libjs/wDispatcher/defaulthandler.js
2018-08-05 00:48:17 +03:00

36 lines
1.0 KiB
JavaScript

"use strict";
var Class = require("../utils/class");
var id = 0;
var DefaultHandler = Class.inherit({
"className": "DefaultHandler",
"constructor": function() {
Class.fn.constructor.call(this);
this._id = id++;
},
"==": function(other) {
if (!(other instanceof DefaultHandler)) {
throw new Error("Can compare only DefaultHandler with DefaultHandler");
}
return this._id === other._id;
},
">": function(other) {
if (!(other instanceof DefaultHandler)) {
throw new Error("Can compare only DefaultHandler with DefaultHandler");
}
return this._id > other._id;
},
"<": function(other) {
if (!(other instanceof DefaultHandler)) {
throw new Error("Can compare only DefaultHandler with DefaultHandler");
}
return this._id < other._id;
},
"call": function(event) {
throw new Error("Attempt to call pure abstract default handler");
}
});
module.exports = DefaultHandler;