# Source: vertx-js/message_consumer.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-js/message_consumer */
    var utils = require('vertx-js/util/utils');
    var ReadStream = require('vertx-js/read_stream');
    var Message = require('vertx-js/message');

    var io = Packages.io;
    var JsonObject = io.vertx.core.json.JsonObject;
    var JMessageConsumer = io.vertx.core.eventbus.MessageConsumer;

    /**

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

      var j_messageConsumer = j_val;
      var that = this;
      ReadStream.call(this, j_val);

      /**

       @public
       @param handler {function}
       @return {MessageConsumer}
       */
      this.exceptionHandler = function(handler) {
        var __args = arguments;
        if (__args.length === 1 && (typeof __args[0] === 'function' || __args[0] == null)) {
          j_messageConsumer["exceptionHandler(io.vertx.core.Handler)"](handler == null ? null : function(jVal) {
          handler(utils.convReturnThrowable(jVal));
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**

       @public
       @param handler {function}
       @return {MessageConsumer}
       */
      this.handler = function(handler) {
        var __args = arguments;
        if (__args.length === 1 && (typeof __args[0] === 'function' || __args[0] == null)) {
          j_messageConsumer["handler(io.vertx.core.Handler)"](handler == null ? null : function(jVal) {
          handler(utils.convReturnVertxGen(jVal, Message));
        });
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**

       @public

       @return {MessageConsumer}
       */
      this.pause = function() {
        var __args = arguments;
        if (__args.length === 0) {
          j_messageConsumer["pause()"]();
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**

       @public

       @return {MessageConsumer}
       */
      this.resume = function() {
        var __args = arguments;
        if (__args.length === 0) {
          j_messageConsumer["resume()"]();
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**

       @public
       @param endHandler {function}
       @return {MessageConsumer}
       */
      this.endHandler = function(endHandler) {
        var __args = arguments;
        if (__args.length === 1 && (typeof __args[0] === 'function' || __args[0] == null)) {
          j_messageConsumer["endHandler(io.vertx.core.Handler)"](endHandler);
          return that;
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       @return a read stream for the body of the message stream.

       @public

       @return {ReadStream}
       */
      this.bodyStream = function() {
        var __args = arguments;
        if (__args.length === 0) {
          return utils.convReturnVertxGen(j_messageConsumer["bodyStream()"](), ReadStream);
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       @return true if the current consumer is registered

       @public

       @return {boolean}
       */
      this.isRegistered = function() {
        var __args = arguments;
        if (__args.length === 0) {
          return j_messageConsumer["isRegistered()"]();
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       @return The address the handler was registered with.

       @public

       @return {string}
       */
      this.address = function() {
        var __args = arguments;
        if (__args.length === 0) {
          return j_messageConsumer["address()"]();
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Set the number of messages this registration will buffer when this stream is paused. The default
       value is <code>0</code>. When a new value is set, buffered messages may be discarded to reach
       the new value.

       @public
       @param maxBufferedMessages {number} the maximum number of messages that can be buffered
       @return {MessageConsumer} this registration
       */
      this.setMaxBufferedMessages = function(maxBufferedMessages) {
        var __args = arguments;
        if (__args.length === 1 && typeof __args[0] ==='number') {
          return utils.convReturnVertxGen(j_messageConsumer["setMaxBufferedMessages(int)"](maxBufferedMessages), MessageConsumer);
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       @return the maximum number of messages that can be buffered when this stream is paused

       @public

       @return {number}
       */
      this.getMaxBufferedMessages = function() {
        var __args = arguments;
        if (__args.length === 0) {
          return j_messageConsumer["getMaxBufferedMessages()"]();
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Optional method which can be called to indicate when the registration has been propagated across the cluster.

       @public
       @param completionHandler {function} the completion handler
       */
      this.completionHandler = function(completionHandler) {
        var __args = arguments;
        if (__args.length === 1 && typeof __args[0] === 'function') {
          j_messageConsumer["completionHandler(io.vertx.core.Handler)"](function(ar) {
          if (ar.succeeded()) {
            completionHandler(null, null);
          } else {
            completionHandler(null, ar.cause());
          }
        });
        } else throw new TypeError('function invoked with invalid arguments');
      };

      /**
       Unregisters the handler which created this registration

       @public
       @param completionHandler {function} the handler called when the unregister is done. For example in a cluster when all nodes of the event bus have been unregistered.
       */
      this.unregister = function() {
        var __args = arguments;
        if (__args.length === 0) {
          j_messageConsumer["unregister()"]();
        }  else if (__args.length === 1 && typeof __args[0] === 'function') {
          j_messageConsumer["unregister(io.vertx.core.Handler)"](function(ar) {
          if (ar.succeeded()) {
            __args[0](null, null);
          } else {
            __args[0](null, ar.cause());
          }
        });
        } 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_messageConsumer;
    };

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