/*global AQL_QUERIES_SLOW, AQL_QUERIES_CURRENT, AQL_QUERIES_PROPERTIES,
  AQL_QUERIES_KILL */

////////////////////////////////////////////////////////////////////////////////
/// @brief AQL query management
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2012 triagens GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
///     http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Jan Steemann
/// @author Copyright 2013, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////


////////////////////////////////////////////////////////////////////////////////
/// @brief clears the slow query log
////////////////////////////////////////////////////////////////////////////////

exports.clearSlow = function () {
  'use strict';

  AQL_QUERIES_SLOW(true);
};

////////////////////////////////////////////////////////////////////////////////
/// @brief returns the slow queries
////////////////////////////////////////////////////////////////////////////////

exports.slow = function () {
  'use strict';

  return AQL_QUERIES_SLOW();
};

////////////////////////////////////////////////////////////////////////////////
/// @brief returns the current queries
////////////////////////////////////////////////////////////////////////////////

exports.current = function () {
  'use strict';

  return AQL_QUERIES_CURRENT();
};

////////////////////////////////////////////////////////////////////////////////
/// @brief configures the query tracking properties
////////////////////////////////////////////////////////////////////////////////

exports.properties = function (config) {
  'use strict';

  if (config === undefined) {
    return AQL_QUERIES_PROPERTIES();
  }
  return AQL_QUERIES_PROPERTIES(config);
};

////////////////////////////////////////////////////////////////////////////////
/// @brief kills a query
////////////////////////////////////////////////////////////////////////////////

exports.kill = function (id) {
  'use strict';

  if (typeof id === 'object' && 
      id.hasOwnProperty('id')) {
    id = id.id;
  }

  return AQL_QUERIES_KILL(id);
};