51 lines
1.6 KiB
JavaScript
51 lines
1.6 KiB
JavaScript
/*
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* retryDecorator.js
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2018 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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"use strict";
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var Database = require('./database');
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var Transaction = require('./transaction');
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module.exports = function(func) {
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return function(db) {
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var self = this;
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if(db instanceof Database) {
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var cb = arguments[func.length - 1];
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if(typeof cb !== "undefined" && !(cb instanceof Function))
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throw new TypeError("fdb.transactional function must declare a callback function as last argument");
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else {
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var args = Array.prototype.slice.call(arguments);
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return db.doTransaction(function(tr, innerCb) {
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args[0] = tr;
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args[func.length - 1] = innerCb;
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func.apply(self, args);
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})(cb);
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}
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}
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else if(db instanceof Transaction || db instanceof Transaction.SnapshotTransaction)
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return func.apply(self, arguments);
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else
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throw new TypeError("fdb.transactional function must pass a Database, Transaction, or SnapshotTransaction as first argument");
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};
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};
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