blow-data/lib/Connection.js

Data access layer for Blow.

'use strict';
const rxjs_1 = require('rxjs');
exports.ConnectionStatus = {
    NotConnected: 'NotConnected',
    Connected: 'Connected'
};
class Connection {
    constructor(options) {
        this._status = new rxjs_1.BehaviorSubject(exports.ConnectionStatus.NotConnected);
        this._options = options;
    }
    get name() {
        return this._options.name;
    }
    get adapter() {
        return this._adapter;
    }
    get status() {
        return this._status;
    }
    get isConnected() {
        return this._status.getValue() === exports.ConnectionStatus.Connected;
    }
    init() {
        this._options.adapter
            .init(this._options.params)
            .subscribe(adapter => {
            this._adapter = adapter;
            this._status.next(exports.ConnectionStatus.Connected);
        });
        return rxjs_1.Observable.create(observer => {
            this.status
                .filter(status => status === exports.ConnectionStatus.Connected)
                .subscribe(() => {
                observer.next(this);
                observer.complete();
            });
        });
    }
    attach(model) {
        Object.defineProperty(model, '_connection', {
            configurable: false,
            enumerable: false,
            writable: true,
            value: this
        });
        model.metadata.buildPropertyId(this.adapter.idPropertyName, this.adapter.idPropertyType);
    }
    static init(options) {
        return this.create(options).init();
    }
    static create(options) {
        return new this(options);
    }
}
exports.Connection = Connection;