mirror of https://gitee.com/bigwinds/arangodb
81 lines
2.4 KiB
JavaScript
81 lines
2.4 KiB
JavaScript
/*jslint indent: 2, nomen: true, maxlen: 100, sloppy: true, vars: true, white: true, plusplus: true */
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/*global ArangoAgency, ArangoServerState, exports */
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////////////////////////////////////////////////////////////////////////////////
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/// @brief JavaScript cluster functionality
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///
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/// @file
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///
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/// DISCLAIMER
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///
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/// Copyright 2012 triagens GmbH, Cologne, Germany
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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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/// Copyright holder is triAGENS GmbH, Cologne, Germany
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///
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/// @author Jan Steemann
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/// @author Copyright 2012, triAGENS GmbH, Cologne, Germany
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////////////////////////////////////////////////////////////////////////////////
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var isCluster = function () {
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return (typeof ArangoServerState !== "undefined");
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};
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var isCoordinator = function () {
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if (! isCluster()) {
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return false;
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}
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return (new ArangoServerState).isCoordinator();
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};
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var role = function () {
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if (! isCluster()) {
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return undefined;
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}
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return (new ArangoServerState).role();
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};
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var status = function () {
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if (! isCluster()) {
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return undefined;
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}
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return (new ArangoServerState).status();
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};
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var isCoordinatorRequest = function (req) {
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if (! req || ! req.hasOwnProperty("headers")) {
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return false;
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}
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return req.headers.hasOwnProperty("x-arango-coordinator");
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};
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exports.isCluster = isCluster;
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exports.isCoordinator = isCoordinator;
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exports.role = role;
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exports.status = status;
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exports.isCoordinatorRequest = isCoordinatorRequest;
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// -----------------------------------------------------------------------------
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// --SECTION-- END-OF-FILE
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// -----------------------------------------------------------------------------
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// Local Variables:
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// mode: outline-minor
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// outline-regexp: "\\(/// @brief\\|/// @addtogroup\\|// --SECTION--\\|/// @page\\|/// @\\}\\)"
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// End:
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