hydrate-mongodb/mapping/bufferMapping.js

An Object Document Mapper (ODM) for MongoDB.

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
var mongodb_1 = require("mongodb");
var mappingBase_1 = require("./mappingBase");
var mappingModel_1 = require("./mappingModel");
var BufferMapping = (function (_super) {
    __extends(BufferMapping, _super);
    function BufferMapping() {
        return _super.call(this, 16384) || this;
    }
    BufferMapping.prototype.read = function (context, value) {
        if (value == null)
            return null;
        if (!value._bsontype || value._bsontype != "Binary") {
            context.addError("Expected Binary.");
            return;
        }
        return value.value(true);
    };
    BufferMapping.prototype.write = function (context, value) {
        if (value == null)
            return null;
        if (!Buffer.isBuffer(value)) {
            context.addError("Expected Buffer.");
            return;
        }
        return new mongodb_1.Binary(value);
    };
    BufferMapping.prototype.areEqual = function (documentValue1, documentValue2) {
        if (documentValue1 === documentValue2)
            return true;
        if (documentValue1 == null || documentValue2 == null)
            return false;
        return documentValue1.value(true).equals(documentValue2.value(true));
    };
    return BufferMapping;
}(mappingBase_1.MappingBase));
exports.BufferMapping = BufferMapping;