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The reactive Postgres client
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/*
 * 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-pg-client-js/pg_pool */
var utils = require('vertx-js/util/utils');
var PgClient = require('vertx-pg-client-js/pg_client');
var Tuple = require('vertx-pg-client-js/tuple');
var PgConnection = require('vertx-pg-client-js/pg_connection');
var Row = require('vertx-pg-client-js/row');
var PgResult = require('vertx-pg-client-js/pg_result');

var io = Packages.io;
var JsonObject = io.vertx.core.json.JsonObject;
var JPgPool = Java.type('com.julienviet.pgclient.PgPool');

/**
 A pool of connection.

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

  var j_pgPool = j_val;
  var that = this;
  PgClient.call(this, j_val);

  /**

   @public
   @param sql {string} 
   @param arguments {Tuple} 
   @param handler {function} 
   @return {PgPool}
   */
  this.preparedQuery = function() {
    var __args = arguments;
    if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
      j_pgPool["preparedQuery(java.lang.String,io.vertx.core.Handler)"](__args[0], function(ar) {
      if (ar.succeeded()) {
        __args[1](utils.convReturnVertxGen(PgResult, ar.result(), Row._jtype), null);
      } else {
        __args[1](null, ar.cause());
      }
    });
      return that;
    }  else if (__args.length === 3 && typeof __args[0] === 'string' && typeof __args[1] === 'object' && __args[1]._jdel && typeof __args[2] === 'function') {
      j_pgPool["preparedQuery(java.lang.String,com.julienviet.pgclient.Tuple,io.vertx.core.Handler)"](__args[0], __args[1]._jdel, function(ar) {
      if (ar.succeeded()) {
        __args[2](utils.convReturnVertxGen(PgResult, ar.result(), Row._jtype), null);
      } else {
        __args[2](null, ar.cause());
      }
    });
      return that;
    } else throw new TypeError('function invoked with invalid arguments');
  };

  /**

   @public
   @param sql {string} 
   @param handler {function} 
   @return {PgPool}
   */
  this.query = function(sql, handler) {
    var __args = arguments;
    if (__args.length === 2 && typeof __args[0] === 'string' && typeof __args[1] === 'function') {
      j_pgPool["query(java.lang.String,io.vertx.core.Handler)"](sql, function(ar) {
      if (ar.succeeded()) {
        handler(utils.convReturnVertxGen(PgResult, ar.result(), Row._jtype), null);
      } else {
        handler(null, ar.cause());
      }
    });
      return that;
    } else throw new TypeError('function invoked with invalid arguments');
  };

  /**

   @public
   @param sql {string} 
   @param batch {Array.} 
   @param handler {function} 
   @return {PgPool}
   */
  this.preparedBatch = function(sql, batch, handler) {
    var __args = arguments;
    if (__args.length === 3 && typeof __args[0] === 'string' && typeof __args[1] === 'object' && __args[1] instanceof Array && typeof __args[2] === 'function') {
      j_pgPool["preparedBatch(java.lang.String,java.util.List,io.vertx.core.Handler)"](sql, utils.convParamListVertxGen(batch), function(ar) {
      if (ar.succeeded()) {
        handler(utils.convReturnVertxGen(PgResult, ar.result(), Row._jtype), null);
      } else {
        handler(null, ar.cause());
      }
    });
      return that;
    } else throw new TypeError('function invoked with invalid arguments');
  };

  /**
   Get a connection from the pool.

   @public
   @param handler {function} the handler that will get the connection result 
   */
  this.getConnection = function(handler) {
    var __args = arguments;
    if (__args.length === 1 && typeof __args[0] === 'function') {
      j_pgPool["getConnection(io.vertx.core.Handler)"](function(ar) {
      if (ar.succeeded()) {
        handler(utils.convReturnVertxGen(PgConnection, ar.result()), null);
      } else {
        handler(null, ar.cause());
      }
    });
    } else throw new TypeError('function invoked with invalid arguments');
  };

  /**
   Close the pool and release the associated resources.

   @public

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

PgPool._jclass = utils.getJavaClass("com.julienviet.pgclient.PgPool");
PgPool._jtype = {
  accept: function(obj) {
    return PgPool._jclass.isInstance(obj._jdel);
  },
  wrap: function(jdel) {
    var obj = Object.create(PgPool.prototype, {});
    PgPool.apply(obj, arguments);
    return obj;
  },
  unwrap: function(obj) {
    return obj._jdel;
  }
};
PgPool._create = function(jdel) {
  var obj = Object.create(PgPool.prototype, {});
  PgPool.apply(obj, arguments);
  return obj;
}
module.exports = PgPool;