/// <summary>
        /// Initiates the asynchronous execution of the AddInstanceGroups operation.
        /// <seealso cref="Amazon.ElasticMapReduce.IAmazonElasticMapReduce"/>
        /// </summary>
        ///
        /// <param name="request">Container for the necessary parameters to execute the AddInstanceGroups operation.</param>
        /// <param name="cancellationToken">
        ///     A cancellation token that can be used by other objects or threads to receive notice of cancellation.
        /// </param>
        /// <returns>The task object representing the asynchronous operation.</returns>
        public Task <AddInstanceGroupsResponse> AddInstanceGroupsAsync(AddInstanceGroupsRequest request, CancellationToken cancellationToken = default(CancellationToken))
        {
            var marshaller   = new AddInstanceGroupsRequestMarshaller();
            var unmarshaller = AddInstanceGroupsResponseUnmarshaller.Instance;

            return(Invoke <IRequest, AddInstanceGroupsRequest, AddInstanceGroupsResponse>(request, marshaller, unmarshaller, signer, cancellationToken));
        }
        internal AddInstanceGroupsResponse AddInstanceGroups(AddInstanceGroupsRequest request)
        {
            var marshaller   = new AddInstanceGroupsRequestMarshaller();
            var unmarshaller = AddInstanceGroupsResponseUnmarshaller.Instance;

            return(Invoke <AddInstanceGroupsRequest, AddInstanceGroupsResponse>(request, marshaller, unmarshaller));
        }
        /// <summary>
        /// <para>AddInstanceGroups adds an instance group to a running
        /// cluster.</para>
        /// </summary>
        ///
        /// <param name="addInstanceGroupsRequest">Container for the necessary
        ///           parameters to execute the AddInstanceGroups service method on
        ///           AmazonElasticMapReduce.</param>
        ///
        /// <returns>The response from the AddInstanceGroups service method, as
        ///         returned by AmazonElasticMapReduce.</returns>
        ///
        /// <exception cref="InternalServerErrorException"/>
        public AddInstanceGroupsResponse AddInstanceGroups(AddInstanceGroupsRequest addInstanceGroupsRequest)
        {
            IRequest <AddInstanceGroupsRequest> request  = new AddInstanceGroupsRequestMarshaller().Marshall(addInstanceGroupsRequest);
            AddInstanceGroupsResponse           response = Invoke <AddInstanceGroupsRequest, AddInstanceGroupsResponse> (request, this.signer, AddInstanceGroupsResponseUnmarshaller.GetInstance());

            return(response);
        }
        IAsyncResult invokeAddInstanceGroups(AddInstanceGroupsRequest addInstanceGroupsRequest, AsyncCallback callback, object state, bool synchronized)
        {
            IRequest    irequest     = new AddInstanceGroupsRequestMarshaller().Marshall(addInstanceGroupsRequest);
            var         unmarshaller = AddInstanceGroupsResponseUnmarshaller.GetInstance();
            AsyncResult result       = new AsyncResult(irequest, callback, state, synchronized, signer, unmarshaller);

            Invoke(result);
            return(result);
        }
        internal AddInstanceGroupsResponse AddInstanceGroups(AddInstanceGroupsRequest request)
        {
            var task = AddInstanceGroupsAsync(request);

            try
            {
                return(task.Result);
            }
            catch (AggregateException e)
            {
                ExceptionDispatchInfo.Capture(e.InnerException).Throw();
                return(null);
            }
        }
 /// <summary>
 /// Initiates the asynchronous execution of the AddInstanceGroups operation.
 /// <seealso cref="Amazon.ElasticMapReduce.AmazonElasticMapReduce.AddInstanceGroups"/>
 /// </summary>
 ///
 /// <param name="addInstanceGroupsRequest">Container for the necessary parameters to execute the AddInstanceGroups operation on
 ///          AmazonElasticMapReduce.</param>
 /// <param name="callback">An AsyncCallback delegate that is invoked when the operation completes.</param>
 /// <param name="state">A user-defined state object that is passed to the callback procedure. Retrieve this object from within the callback
 ///          procedure using the AsyncState property.</param>
 ///
 /// <returns>An IAsyncResult that can be used to poll or wait for results, or both; this value is also needed when invoking EndAddInstanceGroups
 ///         operation.</returns>
 public IAsyncResult BeginAddInstanceGroups(AddInstanceGroupsRequest addInstanceGroupsRequest, AsyncCallback callback, object state)
 {
     return(invokeAddInstanceGroups(addInstanceGroupsRequest, callback, state, false));
 }
        /// <summary>
        /// <para>AddInstanceGroups adds an instance group to a running cluster.</para>
        /// </summary>
        ///
        /// <param name="addInstanceGroupsRequest">Container for the necessary parameters to execute the AddInstanceGroups service method on
        ///          AmazonElasticMapReduce.</param>
        ///
        /// <returns>The response from the AddInstanceGroups service method, as returned by AmazonElasticMapReduce.</returns>
        ///
        /// <exception cref="InternalServerErrorException"/>
        public AddInstanceGroupsResponse AddInstanceGroups(AddInstanceGroupsRequest addInstanceGroupsRequest)
        {
            IAsyncResult asyncResult = invokeAddInstanceGroups(addInstanceGroupsRequest, null, null, true);

            return(EndAddInstanceGroups(asyncResult));
        }