GeoKnow/Jassa-Core

var Class = require('../ext/Class');
var HashMap = require('./collection/HashMap');
var ObjectUtils = require('./ObjectUtils');

/**
 *
 * Essentially this is a map from state hash of the object
 *
 */
var SerializationContext = Class.create({
    initialize: function() {
        this._nextId = 1;

        // A hash map that compares keys by reference equality
        this.objToId = new HashMap(
            function(a, b) {
                return a === b;
            }, function(obj) {
                return ObjectUtils.hashCode(obj);
            }
        );

        this.idToState = {};
    },

    nextId: function() {
        var result = (this._nextId++).toString();
        return result;
    },

    getIdToState: function() {
        return this.idToState;
    },

    getObjToId: function() {
        return this.objToId;
    }
});

module.exports = SerializationContext;