# Source: sql_connection.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-sql-js/sql_connection */
    var utils = require('vertx-js/util/utils');

    var io = Packages.io;
    var JsonObject = io.vertx.core.json.JsonObject;
    var JSQLConnection = io.vertx.ext.sql.SQLConnection;

    /**
     Represents a connection to a SQL database

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

      var j_sQLConnection = j_val;
      var that = this;

      /**
       Sets the auto commit flag for this connection. True by default.

       @public
       @param autoCommit {boolean} the autoCommit flag, true by default.
       @param resultHandler {function} the handler which is called once this operation completes.
       @return {SQLConnection}
       */
      this.setAutoCommit = function(autoCommit, resultHandler) {
        var __args = arguments;
        if (__args.length === 2 && typeof __args[0] ==='boolean' && typeof __args[1] === 'function') {
          j_sQLConnection["setAutoCommit(boolean,io.vertx.core.Handler)"](autoCommit, function(ar) {
          if (ar.succeeded()) {
            resultHandler(null, null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else utils.invalidArgs();
      };

      /**
       Executes the given SQL statement

       @public
       @param sql {string} the SQL to execute. For example <code>CREATE TABLE IF EXISTS table ...</code>
       @param resultHandler {function} the handler which is called once this operation completes.
       @return {SQLConnection}
       */
      this.execute = function(sql, resultHandler) {
        var __args = arguments;
        if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
          j_sQLConnection["execute(java.lang.String,io.vertx.core.Handler)"](sql, function(ar) {
          if (ar.succeeded()) {
            resultHandler(null, null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else utils.invalidArgs();
      };

      /**
       Executes the given SQL <code>SELECT</code> statement which returns the results of the query.

       @public
       @param sql {string} the SQL to execute. For example <code>SELECT * FROM table ...</code>.
       @param resultHandler {function} the handler which is called once the operation completes. It will return a ResultSet.
       @return {SQLConnection}
       */
      this.query = function(sql, resultHandler) {
        var __args = arguments;
        if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
          j_sQLConnection["query(java.lang.String,io.vertx.core.Handler)"](sql, function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnJson(ar.result().toJson()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else utils.invalidArgs();
      };

      /**
       Executes the given SQL <code>SELECT</code> prepared statement which returns the results of the query.

       @public
       @param sql {string} the SQL to execute. For example <code>SELECT * FROM table ...</code>.
       @param params {todo} these are the parameters to fill the statement.
       @param resultHandler {function} the handler which is called once the operation completes. It will return a ResultSet.
       @return {SQLConnection}
       */
      this.queryWithParams = function(sql, params, resultHandler) {
        var __args = arguments;
        if (__args.length === 3 && typeof __args[0] === 'string' && typeof __args[1] === 'object' && __args[1] instanceof Array && typeof __args[2] === 'function') {
          j_sQLConnection["queryWithParams(java.lang.String,io.vertx.core.json.JsonArray,io.vertx.core.Handler)"](sql, utils.convParamJsonArray(params), function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnJson(ar.result().toJson()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else utils.invalidArgs();
      };

      /**
       Executes the given SQL statement which may be an <code>INSERT</code>, <code>UPDATE</code>, or <code>DELETE</code>
       statement.

       @public
       @param sql {string} the SQL to execute. For example <code>INSERT INTO table ...</code>
       @param resultHandler {function} the handler which is called once the operation completes.
       @return {SQLConnection}
       */
      this.update = function(sql, resultHandler) {
        var __args = arguments;
        if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
          j_sQLConnection["update(java.lang.String,io.vertx.core.Handler)"](sql, function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnJson(ar.result().toJson()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else utils.invalidArgs();
      };

      /**
       Executes the given prepared statement which may be an <code>INSERT</code>, <code>UPDATE</code>, or <code>DELETE</code>
       statement with the given parameters

       @public
       @param sql {string} the SQL to execute. For example <code>INSERT INTO table ...</code>
       @param params {todo} these are the parameters to fill the statement.
       @param resultHandler {function} the handler which is called once the operation completes.
       @return {SQLConnection}
       */
      this.updateWithParams = function(sql, params, resultHandler) {
        var __args = arguments;
        if (__args.length === 3 && typeof __args[0] === 'string' && typeof __args[1] === 'object' && __args[1] instanceof Array && typeof __args[2] === 'function') {
          j_sQLConnection["updateWithParams(java.lang.String,io.vertx.core.json.JsonArray,io.vertx.core.Handler)"](sql, utils.convParamJsonArray(params), function(ar) {
          if (ar.succeeded()) {
            resultHandler(utils.convReturnJson(ar.result().toJson()), null);
          } else {
            resultHandler(null, ar.cause());
          }
        });
          return that;
        } else utils.invalidArgs();
      };

      /**
       Closes the connection. Important to always close the connection when you are done so it's returned to the pool.

       @public
       @param handler {function} the handler called when this operation completes.
       */
      this.close = function() {
        var __args = arguments;
        if (__args.length === 0) {
          j_sQLConnection["close()"]();
        }  else if (__args.length === 1 && typeof __args[0] === 'function') {
          j_sQLConnection["close(io.vertx.core.Handler)"](function(ar) {
          if (ar.succeeded()) {
            __args[0](null, null);
          } else {
            __args[0](null, ar.cause());
          }
        });
        } else utils.invalidArgs();
      };

      /**
       Commits all changes made since the previous commit/rollback.

       @public
       @param handler {function} the handler called when this operation completes.
       @return {SQLConnection}
       */
      this.commit = function(handler) {
        var __args = arguments;
        if (__args.length === 1 && typeof __args[0] === 'function') {
          j_sQLConnection["commit(io.vertx.core.Handler)"](function(ar) {
          if (ar.succeeded()) {
            handler(null, null);
          } else {
            handler(null, ar.cause());
          }
        });
          return that;
        } else utils.invalidArgs();
      };

      /**
       Rolls back all changes made since the previous commit/rollback.

       @public
       @param handler {function} the handler called when this operation completes.
       @return {SQLConnection}
       */
      this.rollback = function(handler) {
        var __args = arguments;
        if (__args.length === 1 && typeof __args[0] === 'function') {
          j_sQLConnection["rollback(io.vertx.core.Handler)"](function(ar) {
          if (ar.succeeded()) {
            handler(null, null);
          } else {
            handler(null, ar.cause());
          }
        });
          return that;
        } else utils.invalidArgs();
      };

      // 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_sQLConnection;
    };

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