mysql-queue-pool/lib/adapter/mysql.js

Database connection pooling and query queueing.

/**
 * Adapter for database connection with node-mysql module.
 * Doesn't do much, because adapter interface is modeled after node-mysql API.
 *
 * @require node-mysql
 */

var driver = require('mysql');

/**
 * @param {Object} options
 *   Connection settings, e.g. user name, password, port and host.
 */
function MySqlAdapter (options) {
  this.connection = driver.createConnection(options);
}

/**
 * @param {Function} callback
 */
MySqlAdapter.prototype.connect = function (callback) {
  this.connection.connect(callback);
};

/**
 * @param {Function} callback
 */
MySqlAdapter.prototype.disconnect = function (callback) {
  this.connection.end(callback);
};

/**
 * @param {Function} callback
 */
MySqlAdapter.prototype.onerror = function (callback) {
  this.connection.on('error', callback);
};

/**
 * @param {String}   statement
 * @param {Array}    args
 * @param {Function} callback
 */
MySqlAdapter.prototype.query = function (statement, args, callback) {
  this.connection.query(statement, args, callback);
};

// Public API:
exports.Adapter = MySqlAdapter;