# Source: metrics_service.js

    /*
     * Copyright 2014 Red Hat, Inc.
     *
     * Red Hat licenses this file to you 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.
     */

    /** @module vertx-dropwizard-js/metrics_service */
    var utils = require('vertx-js/util/utils');
    var Measured = require('vertx-js/measured');
    var Vertx = require('vertx-js/vertx');

    var io = Packages.io;
    var JsonObject = io.vertx.core.json.JsonObject;
    var JMetricsService = io.vertx.ext.dropwizard.MetricsService;

    /**
     The metrics service mainly allows to return a snapshot of measured objects.

     @class
    */
    var MetricsService = function(j_val) {

      var j_metricsService = j_val;
      var that = this;

      /**
       @param measured the measure object

       @public
       @param measured {Measured}
       @return {string} the base name of the measured object
       */
      this.getBaseName = function(measured) {
        var __args = arguments;
        if (__args.length === 1 && typeof __args[0] === 'object' && __args[0]._jdel) {
          return j_metricsService["getBaseName(io.vertx.core.metrics.Measured)"](measured._jdel);
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       @return the known metrics names by this service

       @public

       @return {Array.<string>}
       */
      this.metricsNames = function() {
        var __args = arguments;
        if (__args.length === 0) {
          return utils.convReturnSet(j_metricsService["metricsNames()"]());
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Will return the metrics that begins with the <code>baseName</code>, null if no metrics is available.<p/>

       Note: in the case of scaled servers, the JsonObject returns an aggregation of the metrics as the
       dropwizard backend reports to a single server.

       @public
       @param baseName {string}
       @return {Object} the map of metrics where the key is the name of the metric and the value is the json data representing that metric
       */
      this.getMetricsSnapshot = function() {
        var __args = arguments;
        if (__args.length === 1 && typeof __args[0] === 'object' && __args[0]._jdel) {
          return utils.convReturnJson(j_metricsService["getMetricsSnapshot(io.vertx.core.metrics.Measured)"](__args[0]._jdel));
        }  else if (__args.length === 1 && typeof __args[0] === 'string') {
          return utils.convReturnJson(j_metricsService["getMetricsSnapshot(java.lang.String)"](__args[0]));
        } else throw new TypeError('function invoked with invalid arguments');
      };

      // A reference to the underlying Java delegate
      // NOTE! This is an internal API and must not be used in user code.
      // If you rely on this property your code is likely to break if we change it / remove it without warning.
      this._jdel = j_metricsService;
    };

    /**
     Creates a metric service for a given {@link Vertx} instance.

     @memberof module:vertx-dropwizard-js/metrics_service
     @param vertx {Vertx} the vertx instance
     @return {MetricsService} the metrics service
     */
    MetricsService.create = function(vertx) {
      var __args = arguments;
      if (__args.length === 1 && typeof __args[0] === 'object' && __args[0]._jdel) {
        return utils.convReturnVertxGen(JMetricsService["create(io.vertx.core.Vertx)"](vertx._jdel), MetricsService);
      } else throw new TypeError('function invoked with invalid arguments');
    };

    // We export the Constructor function
    module.exports = MetricsService;