@synerty/orb-vortexjs
Version:
Custom observable data serialisation and routing based on Angular2
123 lines • 6.12 kB
JavaScript
;
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 __());
};
})();
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
var WebSqlService_1 = require("../../websql/WebSqlService");
var Payload_1 = require("../Payload");
var core_1 = require("@angular/core");
var TupleStorageServiceABC_1 = require("./TupleStorageServiceABC");
var TupleOfflineStorageNameService_1 = require("../TupleOfflineStorageNameService");
var UtilMisc_1 = require("../UtilMisc");
// ----------------------------------------------------------------------------
var databaseSchema = [
"CREATE TABLE IF NOT EXISTS tuples\n (\n tupleSelector TEXT,\n dateTime REAL,\n payload TEXT,\n PRIMARY KEY (tupleSelector)\n )"
];
var insertSql = "INSERT OR REPLACE INTO tuples\n (tupleSelector, dateTime, payload)\n VALUES (?, ?, ?)";
var selectSql = "SELECT tupleSelector, dateTime, payload\n FROM tuples\n WHERE tupleSelector = ?";
var TupleStorageWebSqlService = (function (_super) {
__extends(TupleStorageWebSqlService, _super);
function TupleStorageWebSqlService(webSqlFactory, name) {
var _this = _super.call(this, name) || this;
_this.openInProgressPromise = null;
_this.webSql = webSqlFactory.createWebSql(_this.dbName, databaseSchema);
return _this;
}
TupleStorageWebSqlService.prototype.open = function () {
var _this = this;
if (this.openInProgressPromise != null)
return this.openInProgressPromise;
this.openInProgressPromise = this.webSql.open()
.then(function () { return _this.openInProgressPromise = null; })
.catch(function (e) {
_this.openInProgressPromise = null;
throw (e);
});
return this.openInProgressPromise;
};
TupleStorageWebSqlService.prototype.isOpen = function () {
return this.webSql.isOpen();
};
TupleStorageWebSqlService.prototype.close = function () {
this.webSql.close();
};
TupleStorageWebSqlService.prototype.transaction = function (forWrite) {
return this.webSql.transaction()
.then(function (t) { return new TupleWebSqlTransaction(t, forWrite); });
};
return TupleStorageWebSqlService;
}(TupleStorageServiceABC_1.TupleStorageServiceABC));
TupleStorageWebSqlService = __decorate([
core_1.Injectable(),
__metadata("design:paramtypes", [WebSqlService_1.WebSqlFactoryService,
TupleOfflineStorageNameService_1.TupleOfflineStorageNameService])
], TupleStorageWebSqlService);
exports.TupleStorageWebSqlService = TupleStorageWebSqlService;
var TupleWebSqlTransaction = (function () {
function TupleWebSqlTransaction(tx, txForWrite) {
this.tx = tx;
this.txForWrite = txForWrite;
}
TupleWebSqlTransaction.prototype.loadTuples = function (tupleSelector) {
return this.loadTuplesEncoded(tupleSelector)
.then(function (vortexMsg) {
if (vortexMsg == null) {
return [];
}
return Payload_1.Payload.fromVortexMsg(vortexMsg)
.then(function (payload) { return payload.tuples; });
});
};
TupleWebSqlTransaction.prototype.loadTuplesEncoded = function (tupleSelector) {
var bindParams = [tupleSelector.toOrderedJsonStr()];
return this.tx.executeSql(selectSql, bindParams)
.then(function (rows) {
if (rows.length === 0) {
return null;
}
var row1 = rows[0];
return row1.payload;
});
};
TupleWebSqlTransaction.prototype.saveTuples = function (tupleSelector, tuples) {
var _this = this;
// The payload is a convenient way to serialise and compress the data
return new Payload_1.Payload({}, tuples).toVortexMsg()
.then(function (vortexMsg) {
return _this.saveTuplesEncoded(tupleSelector, vortexMsg);
});
};
TupleWebSqlTransaction.prototype.saveTuplesEncoded = function (tupleSelector, vortexMsg) {
if (!this.txForWrite) {
var msg = "WebSQL: saveTuples attempted on read only TX";
console.log(UtilMisc_1.dateStr() + " " + msg);
return Promise.reject(msg);
}
// The payload is a convenient way to serialise and compress the data
var tupleSelectorStr = tupleSelector.toOrderedJsonStr();
var bindParams = [tupleSelectorStr, Date.now(), vortexMsg];
return this.tx.executeSql(insertSql, bindParams)
.then(function () { return null; }); // Convert the result
};
TupleWebSqlTransaction.prototype.close = function () {
return Promise.resolve();
};
return TupleWebSqlTransaction;
}());
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