# Source: vertx-mongo-js/mongo_client.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-mongo-js/mongo_client */
    var utils = require('vertx-js/util/utils');
    var Vertx = require('vertx-js/vertx');

    var io = Packages.io;
    var JsonObject = io.vertx.core.json.JsonObject;
    var JMongoClient = io.vertx.ext.mongo.MongoClient;
    var MongoClientDeleteResult = io.vertx.ext.mongo.MongoClientDeleteResult;
    var FindOptions = io.vertx.ext.mongo.FindOptions;
    var MongoClientUpdateResult = io.vertx.ext.mongo.MongoClientUpdateResult;
    var UpdateOptions = io.vertx.ext.mongo.UpdateOptions;

    /**
     A Vert.x service used to interact with MongoDB server instances.
     <p>
     @class
    */
    var MongoClient = function(j_val) {

      var j_mongoClient = j_val;
      var that = this;

      /**
       Save a document in the specified collection
       <p>
       This operation might change <i>_id</i> field of <i>document</i> parameter

       @public
       @param collection {string} the collection
       @param document {Object} the document
       @param resultHandler {function} result handler will be provided with the id if document didn't already have one
       @return {MongoClient}
       */
      this.save = function(collection, document, resultHandler) {
        var __args = arguments;
        if (__args.length === 3 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && typeof __args[2] === 'function') {
          j_mongoClient["save(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(document), function(ar) {
          if (ar.succeeded()) {
            resultHandler(ar.result(), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Save a document in the specified collection with the specified write option
       <p>
       This operation might change <i>_id</i> field of <i>document</i> parameter

       @public
       @param collection {string} the collection
       @param document {Object} the document
       @param writeOption {Object} the write option to use
       @param resultHandler {function} result handler will be provided with the id if document didn't already have one
       @return {MongoClient}
       */
      this.saveWithOptions = function(collection, document, writeOption, resultHandler) {
        var __args = arguments;
        if (__args.length === 4 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && typeof __args[2] === 'string' && typeof __args[3] === 'function') {
          j_mongoClient["saveWithOptions(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.ext.mongo.WriteOption,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(document), io.vertx.ext.mongo.WriteOption.valueOf(writeOption), function(ar) {
          if (ar.succeeded()) {
            resultHandler(ar.result(), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Insert a document in the specified collection
       <p>
       This operation might change <i>_id</i> field of <i>document</i> parameter

       @public
       @param collection {string} the collection
       @param document {Object} the document
       @param resultHandler {function} result handler will be provided with the id if document didn't already have one
       @return {MongoClient}
       */
      this.insert = function(collection, document, resultHandler) {
        var __args = arguments;
        if (__args.length === 3 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && typeof __args[2] === 'function') {
          j_mongoClient["insert(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(document), function(ar) {
          if (ar.succeeded()) {
            resultHandler(ar.result(), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Insert a document in the specified collection with the specified write option
       <p>
       This operation might change <i>_id</i> field of <i>document</i> parameter

       @public
       @param collection {string} the collection
       @param document {Object} the document
       @param writeOption {Object} the write option to use
       @param resultHandler {function} result handler will be provided with the id if document didn't already have one
       @return {MongoClient}
       */
      this.insertWithOptions = function(collection, document, writeOption, resultHandler) {
        var __args = arguments;
        if (__args.length === 4 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && typeof __args[2] === 'string' && typeof __args[3] === 'function') {
          j_mongoClient["insertWithOptions(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.ext.mongo.WriteOption,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(document), io.vertx.ext.mongo.WriteOption.valueOf(writeOption), function(ar) {
          if (ar.succeeded()) {
            resultHandler(ar.result(), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Update matching documents in the specified collection

       @public
       @param collection {string} the collection
       @param query {Object} query used to match the documents
       @param update {Object} used to describe how the documents will be updated
       @param resultHandler {function} will be called when complete
       @return {MongoClient}
       */
      this.update = function(collection, query, update, resultHandler) {
        var __args = arguments;
        if (__args.length === 4 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && (typeof __args[2] === 'object' && __args[2] != null) && typeof __args[3] === 'function') {
          j_mongoClient["update(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), utils.convParamJsonObject(update), function(ar) {
          if (ar.succeeded()) {
            resultHandler(null, null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Update matching documents in the specified collection and return the handler with MongoClientUpdateResult result

       @public
       @param collection {string} the collection
       @param query {Object} query used to match the documents
       @param update {Object} used to describe how the documents will be updated
       @param resultHandler {function} will be called when complete
       @return {MongoClient}
       */
      this.updateCollection = function(collection, query, update, resultHandler) {
        var __args = arguments;
        if (__args.length === 4 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && (typeof __args[2] === 'object' && __args[2] != null) && typeof __args[3] === 'function') {
          j_mongoClient["updateCollection(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), utils.convParamJsonObject(update), function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnDataObject(ar.result()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Update matching documents in the specified collection, specifying options

       @public
       @param collection {string} the collection
       @param query {Object} query used to match the documents
       @param update {Object} used to describe how the documents will be updated
       @param options {Object} options to configure the update
       @param resultHandler {function} will be called when complete
       @return {MongoClient}
       */
      this.updateWithOptions = function(collection, query, update, options, resultHandler) {
        var __args = arguments;
        if (__args.length === 5 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && (typeof __args[2] === 'object' && __args[2] != null) && (typeof __args[3] === 'object' && __args[3] != null) && typeof __args[4] === 'function') {
          j_mongoClient["updateWithOptions(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject,io.vertx.ext.mongo.UpdateOptions,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), utils.convParamJsonObject(update), options != null ? new UpdateOptions(new JsonObject(JSON.stringify(options))) : null, function(ar) {
          if (ar.succeeded()) {
            resultHandler(null, null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Update matching documents in the specified collection, specifying options and return the handler with MongoClientUpdateResult result

       @public
       @param collection {string} the collection
       @param query {Object} query used to match the documents
       @param update {Object} used to describe how the documents will be updated
       @param options {Object} options to configure the update
       @param resultHandler {function} will be called when complete
       @return {MongoClient}
       */
      this.updateCollectionWithOptions = function(collection, query, update, options, resultHandler) {
        var __args = arguments;
        if (__args.length === 5 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && (typeof __args[2] === 'object' && __args[2] != null) && (typeof __args[3] === 'object' && __args[3] != null) && typeof __args[4] === 'function') {
          j_mongoClient["updateCollectionWithOptions(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject,io.vertx.ext.mongo.UpdateOptions,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), utils.convParamJsonObject(update), options != null ? new UpdateOptions(new JsonObject(JSON.stringify(options))) : null, function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnDataObject(ar.result()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Replace matching documents in the specified collection
       <p>
       This operation might change <i>_id</i> field of <i>replace</i> parameter

       @public
       @param collection {string} the collection
       @param query {Object} query used to match the documents
       @param replace {Object} all matching documents will be replaced with this
       @param resultHandler {function} will be called when complete
       @return {MongoClient}
       */
      this.replace = function(collection, query, replace, resultHandler) {
        var __args = arguments;
        if (__args.length === 4 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && (typeof __args[2] === 'object' && __args[2] != null) && typeof __args[3] === 'function') {
          j_mongoClient["replace(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), utils.convParamJsonObject(replace), function(ar) {
          if (ar.succeeded()) {
            resultHandler(null, null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Replace matching documents in the specified collection and return the handler with MongoClientUpdateResult result

       @public
       @param collection {string} the collection
       @param query {Object} query used to match the documents
       @param replace {Object} all matching documents will be replaced with this
       @param resultHandler {function} will be called when complete
       @return {MongoClient}
       */
      this.replaceDocuments = function(collection, query, replace, resultHandler) {
        var __args = arguments;
        if (__args.length === 4 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && (typeof __args[2] === 'object' && __args[2] != null) && typeof __args[3] === 'function') {
          j_mongoClient["replaceDocuments(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), utils.convParamJsonObject(replace), function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnDataObject(ar.result()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Replace matching documents in the specified collection, specifying options
       <p>
       This operation might change <i>_id</i> field of <i>replace</i> parameter

       @public
       @param collection {string} the collection
       @param query {Object} query used to match the documents
       @param replace {Object} all matching documents will be replaced with this
       @param options {Object} options to configure the replace
       @param resultHandler {function} will be called when complete
       @return {MongoClient}
       */
      this.replaceWithOptions = function(collection, query, replace, options, resultHandler) {
        var __args = arguments;
        if (__args.length === 5 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && (typeof __args[2] === 'object' && __args[2] != null) && (typeof __args[3] === 'object' && __args[3] != null) && typeof __args[4] === 'function') {
          j_mongoClient["replaceWithOptions(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject,io.vertx.ext.mongo.UpdateOptions,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), utils.convParamJsonObject(replace), options != null ? new UpdateOptions(new JsonObject(JSON.stringify(options))) : null, function(ar) {
          if (ar.succeeded()) {
            resultHandler(null, null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Replace matching documents in the specified collection, specifying options and return the handler with MongoClientUpdateResult result

       @public
       @param collection {string} the collection
       @param query {Object} query used to match the documents
       @param replace {Object} all matching documents will be replaced with this
       @param options {Object} options to configure the replace
       @param resultHandler {function} will be called when complete
       @return {MongoClient}
       */
      this.replaceDocumentsWithOptions = function(collection, query, replace, options, resultHandler) {
        var __args = arguments;
        if (__args.length === 5 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && (typeof __args[2] === 'object' && __args[2] != null) && (typeof __args[3] === 'object' && __args[3] != null) && typeof __args[4] === 'function') {
          j_mongoClient["replaceDocumentsWithOptions(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject,io.vertx.ext.mongo.UpdateOptions,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), utils.convParamJsonObject(replace), options != null ? new UpdateOptions(new JsonObject(JSON.stringify(options))) : null, function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnDataObject(ar.result()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Find matching documents in the specified collection

       @public
       @param collection {string} the collection
       @param query {Object} query used to match documents
       @param resultHandler {function} will be provided with list of documents
       @return {MongoClient}
       */
      this.find = function(collection, query, resultHandler) {
        var __args = arguments;
        if (__args.length === 3 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && typeof __args[2] === 'function') {
          j_mongoClient["find(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnListSetJson(ar.result()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Find matching documents in the specified collection.
       This method use batchCursor for returning each found document.

       @public
       @param collection {string} the collection
       @param query {Object} query used to match documents
       @param resultHandler {function} will be provided with each found document
       @return {MongoClient}
       */
      this.findBatch = function(collection, query, resultHandler) {
        var __args = arguments;
        if (__args.length === 3 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && typeof __args[2] === 'function') {
          j_mongoClient["findBatch(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnJson(ar.result()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Find matching documents in the specified collection, specifying options

       @public
       @param collection {string} the collection
       @param query {Object} query used to match documents
       @param options {Object} options to configure the find
       @param resultHandler {function} will be provided with list of documents
       @return {MongoClient}
       */
      this.findWithOptions = function(collection, query, options, resultHandler) {
        var __args = arguments;
        if (__args.length === 4 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && (typeof __args[2] === 'object' && __args[2] != null) && typeof __args[3] === 'function') {
          j_mongoClient["findWithOptions(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.ext.mongo.FindOptions,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), options != null ? new FindOptions(new JsonObject(JSON.stringify(options))) : null, function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnListSetJson(ar.result()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Find matching documents in the specified collection, specifying options.
       This method use batchCursor for returning each found document.

       @public
       @param collection {string} the collection
       @param query {Object} query used to match documents
       @param options {Object} options to configure the find
       @param resultHandler {function} will be provided with each found document
       @return {MongoClient}
       */
      this.findBatchWithOptions = function(collection, query, options, resultHandler) {
        var __args = arguments;
        if (__args.length === 4 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && (typeof __args[2] === 'object' && __args[2] != null) && typeof __args[3] === 'function') {
          j_mongoClient["findBatchWithOptions(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.ext.mongo.FindOptions,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), options != null ? new FindOptions(new JsonObject(JSON.stringify(options))) : null, function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnJson(ar.result()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Find a single matching document in the specified collection
       <p>
       This operation might change <i>_id</i> field of <i>query</i> parameter

       @public
       @param collection {string} the collection
       @param query {Object} the query used to match the document
       @param fields {Object} the fields
       @param resultHandler {function} will be provided with the document, if any
       @return {MongoClient}
       */
      this.findOne = function(collection, query, fields, resultHandler) {
        var __args = arguments;
        if (__args.length === 4 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && (typeof __args[2] === 'object' && __args[2] != null) && typeof __args[3] === 'function') {
          j_mongoClient["findOne(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.json.JsonObject,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), utils.convParamJsonObject(fields), function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnJson(ar.result()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Count matching documents in a collection.

       @public
       @param collection {string} the collection
       @param query {Object} query used to match documents
       @param resultHandler {function} will be provided with the number of matching documents
       @return {MongoClient}
       */
      this.count = function(collection, query, resultHandler) {
        var __args = arguments;
        if (__args.length === 3 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && typeof __args[2] === 'function') {
          j_mongoClient["count(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), function(ar) {
          if (ar.succeeded()) {
            resultHandler(ar.result(), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Remove matching documents from a collection

       @public
       @param collection {string} the collection
       @param query {Object} query used to match documents
       @param resultHandler {function} will be called when complete
       @return {MongoClient}
       */
      this.remove = function(collection, query, resultHandler) {
        var __args = arguments;
        if (__args.length === 3 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && typeof __args[2] === 'function') {
          j_mongoClient["remove(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), function(ar) {
          if (ar.succeeded()) {
            resultHandler(null, null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Remove matching documents from a collection and return the handler with MongoClientDeleteResult result

       @public
       @param collection {string} the collection
       @param query {Object} query used to match documents
       @param resultHandler {function} will be called when complete
       @return {MongoClient}
       */
      this.removeDocuments = function(collection, query, resultHandler) {
        var __args = arguments;
        if (__args.length === 3 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && typeof __args[2] === 'function') {
          j_mongoClient["removeDocuments(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnDataObject(ar.result()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Remove matching documents from a collection with the specified write option

       @public
       @param collection {string} the collection
       @param query {Object} query used to match documents
       @param writeOption {Object} the write option to use
       @param resultHandler {function} will be called when complete
       @return {MongoClient}
       */
      this.removeWithOptions = function(collection, query, writeOption, resultHandler) {
        var __args = arguments;
        if (__args.length === 4 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && typeof __args[2] === 'string' && typeof __args[3] === 'function') {
          j_mongoClient["removeWithOptions(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.ext.mongo.WriteOption,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), io.vertx.ext.mongo.WriteOption.valueOf(writeOption), function(ar) {
          if (ar.succeeded()) {
            resultHandler(null, null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Remove matching documents from a collection with the specified write option and return the handler with MongoClientDeleteResult result

       @public
       @param collection {string} the collection
       @param query {Object} query used to match documents
       @param writeOption {Object} the write option to use
       @param resultHandler {function} will be called when complete
       @return {MongoClient}
       */
      this.removeDocumentsWithOptions = function(collection, query, writeOption, resultHandler) {
        var __args = arguments;
        if (__args.length === 4 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && typeof __args[2] === 'string' && typeof __args[3] === 'function') {
          j_mongoClient["removeDocumentsWithOptions(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.ext.mongo.WriteOption,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), io.vertx.ext.mongo.WriteOption.valueOf(writeOption), function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnDataObject(ar.result()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Remove a single matching document from a collection

       @public
       @param collection {string} the collection
       @param query {Object} query used to match document
       @param resultHandler {function} will be called when complete
       @return {MongoClient}
       */
      this.removeOne = function(collection, query, resultHandler) {
        var __args = arguments;
        if (__args.length === 3 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && typeof __args[2] === 'function') {
          j_mongoClient["removeOne(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), function(ar) {
          if (ar.succeeded()) {
            resultHandler(null, null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Remove a single matching document from a collection and return the handler with MongoClientDeleteResult result

       @public
       @param collection {string} the collection
       @param query {Object} query used to match document
       @param resultHandler {function} will be called when complete
       @return {MongoClient}
       */
      this.removeDocument = function(collection, query, resultHandler) {
        var __args = arguments;
        if (__args.length === 3 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && typeof __args[2] === 'function') {
          j_mongoClient["removeDocument(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnDataObject(ar.result()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Remove a single matching document from a collection with the specified write option

       @public
       @param collection {string} the collection
       @param query {Object} query used to match document
       @param writeOption {Object} the write option to use
       @param resultHandler {function} will be called when complete
       @return {MongoClient}
       */
      this.removeOneWithOptions = function(collection, query, writeOption, resultHandler) {
        var __args = arguments;
        if (__args.length === 4 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && typeof __args[2] === 'string' && typeof __args[3] === 'function') {
          j_mongoClient["removeOneWithOptions(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.ext.mongo.WriteOption,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), io.vertx.ext.mongo.WriteOption.valueOf(writeOption), function(ar) {
          if (ar.succeeded()) {
            resultHandler(null, null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Remove a single matching document from a collection with the specified write option and return the handler with MongoClientDeleteResult result

       @public
       @param collection {string} the collection
       @param query {Object} query used to match document
       @param writeOption {Object} the write option to use
       @param resultHandler {function} will be called when complete
       @return {MongoClient}
       */
      this.removeDocumentWithOptions = function(collection, query, writeOption, resultHandler) {
        var __args = arguments;
        if (__args.length === 4 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && typeof __args[2] === 'string' && typeof __args[3] === 'function') {
          j_mongoClient["removeDocumentWithOptions(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.ext.mongo.WriteOption,io.vertx.core.Handler)"](collection, utils.convParamJsonObject(query), io.vertx.ext.mongo.WriteOption.valueOf(writeOption), function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnDataObject(ar.result()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Create a new collection

       @public
       @param collectionName {string} the name of the collection
       @param resultHandler {function} will be called when complete
       @return {MongoClient}
       */
      this.createCollection = function(collectionName, resultHandler) {
        var __args = arguments;
        if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
          j_mongoClient["createCollection(java.lang.String,io.vertx.core.Handler)"](collectionName, function(ar) {
          if (ar.succeeded()) {
            resultHandler(null, null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Get a list of all collections in the database.

       @public
       @param resultHandler {function} will be called with a list of collections.
       @return {MongoClient}
       */
      this.getCollections = function(resultHandler) {
        var __args = arguments;
        if (__args.length === 1 && typeof __args[0] === 'function') {
          j_mongoClient["getCollections(io.vertx.core.Handler)"](function(ar) {
          if (ar.succeeded()) {
            resultHandler(ar.result(), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Drop a collection

       @public
       @param collection {string} the collection
       @param resultHandler {function} will be called when complete
       @return {MongoClient}
       */
      this.dropCollection = function(collection, resultHandler) {
        var __args = arguments;
        if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
          j_mongoClient["dropCollection(java.lang.String,io.vertx.core.Handler)"](collection, function(ar) {
          if (ar.succeeded()) {
            resultHandler(null, null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Run an arbitrary MongoDB command.

       @public
       @param commandName {string} the name of the command
       @param command {Object} the command
       @param resultHandler {function} will be called with the result.
       @return {MongoClient}
       */
      this.runCommand = function(commandName, command, resultHandler) {
        var __args = arguments;
        if (__args.length === 3 && typeof __args[0] === 'string' && (typeof __args[1] === 'object' && __args[1] != null) && typeof __args[2] === 'function') {
          j_mongoClient["runCommand(java.lang.String,io.vertx.core.json.JsonObject,io.vertx.core.Handler)"](commandName, utils.convParamJsonObject(command), function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnJson(ar.result()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Gets the distinct values of the specified field name.
       Return a JsonArray containing distinct values (eg: [ 1 , 89 ])

       @public
       @param collection {string} the collection
       @param fieldName {string} the field name
       @param resultClassname {string}
       @param resultHandler {function} will be provided with array of values.
       @return {MongoClient}
       */
      this.distinct = function(collection, fieldName, resultClassname, resultHandler) {
        var __args = arguments;
        if (__args.length === 4 && typeof __args[0] === 'string' && typeof __args[1] === 'string' && typeof __args[2] === 'string' && typeof __args[3] === 'function') {
          j_mongoClient["distinct(java.lang.String,java.lang.String,java.lang.String,io.vertx.core.Handler)"](collection, fieldName, resultClassname, function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnJson(ar.result()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Gets the distinct values of the specified field name.
       This method use batchCursor for returning each found value.
       Each value is a json fragment with fieldName key (eg: {"num": 1}).

       @public
       @param collection {string} the collection
       @param fieldName {string} the field name
       @param resultClassname {string}
       @param resultHandler {function} will be provided with each found value
       @return {MongoClient}
       */
      this.distinctBatch = function(collection, fieldName, resultClassname, resultHandler) {
        var __args = arguments;
        if (__args.length === 4 && typeof __args[0] === 'string' && typeof __args[1] === 'string' && typeof __args[2] === 'string' && typeof __args[3] === 'function') {
          j_mongoClient["distinctBatch(java.lang.String,java.lang.String,java.lang.String,io.vertx.core.Handler)"](collection, fieldName, resultClassname, function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnJson(ar.result()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Close the client and release its resources

       @public

       */
      this.close = function() {
        var __args = arguments;
        if (__args.length === 0) {
          j_mongoClient["close()"]();
        } 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_mongoClient;
    };

    /**
     Create a Mongo client which maintains its own data source.

     @memberof module:vertx-mongo-js/mongo_client
     @param vertx {Vertx} the Vert.x instance
     @param config {Object} the configuration
     @return {MongoClient} the client
     */
    MongoClient.createNonShared = function(vertx, config) {
      var __args = arguments;
      if (__args.length === 2 && typeof __args[0] === 'object' && __args[0]._jdel && (typeof __args[1] === 'object' && __args[1] != null)) {
        return utils.convReturnVertxGen(JMongoClient["createNonShared(io.vertx.core.Vertx,io.vertx.core.json.JsonObject)"](vertx._jdel, utils.convParamJsonObject(config)), MongoClient);
      } else throw new TypeError('function invoked with invalid arguments');
    };

    /**
     Create a Mongo client which shares its data source with any other Mongo clients created with the same
     data source name

     @memberof module:vertx-mongo-js/mongo_client
     @param vertx {Vertx} the Vert.x instance
     @param config {Object} the configuration
     @param dataSourceName {string} the data source name
     @return {MongoClient} the client
     */
    MongoClient.createShared = function() {
      var __args = arguments;
      if (__args.length === 2 && typeof __args[0] === 'object' && __args[0]._jdel && (typeof __args[1] === 'object' && __args[1] != null)) {
        return utils.convReturnVertxGen(JMongoClient["createShared(io.vertx.core.Vertx,io.vertx.core.json.JsonObject)"](__args[0]._jdel, utils.convParamJsonObject(__args[1])), MongoClient);
      }else if (__args.length === 3 && typeof __args[0] === 'object' && __args[0]._jdel && (typeof __args[1] === 'object' && __args[1] != null) && typeof __args[2] === 'string') {
        return utils.convReturnVertxGen(JMongoClient["createShared(io.vertx.core.Vertx,io.vertx.core.json.JsonObject,java.lang.String)"](__args[0]._jdel, utils.convParamJsonObject(__args[1]), __args[2]), MongoClient);
      } else throw new TypeError('function invoked with invalid arguments');
    };

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