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Sample: Release a queue item to the queue (early bound)

Applies To: CRM 2015 on-prem, CRM Online

This sample code is for Microsoft Dynamics CRM 2015 and Microsoft Dynamics CRM Online 2015 Update. Download the Microsoft Dynamics CRM SDK package. It can be found in the following location in the download package:

SampleCode\CS\BusinessDataModel\BusinessManagement\RemoveQueueItemWorker.cs

Requirements

For more information about the requirements for running the sample code provided in this SDK, see Use the sample and helper code.

Demonstrates

This sample shows how to use ReleaseToQueueRequest to dissociate a user from a queue item that he or she worked on and release a queue item back to the queue.

Example


using System;
using System.ServiceModel;
using System.ServiceModel.Description;

// These namespaces are found in the Microsoft.Xrm.Sdk.dll assembly
// found in the SDK\bin folder.
using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Sdk.Query;
using Microsoft.Xrm.Sdk.Discovery;

// This namespace is found in Microsoft.Crm.Sdk.Proxy.dll assembly
// found in the SDK\bin folder.
using Microsoft.Crm.Sdk.Messages;
using Microsoft.Xrm.Sdk.Client;

namespace Microsoft.Crm.Sdk.Samples
{
    /// <summary>
    /// This sample shows how to release queued object from worker's queue.
    /// </summary>
    public class RemoveQueueItemWorker
    {
        #region Class Level Members


        // Define the IDs needed for this sample.
        private Guid _queueItemId;
        private Guid _letterId;
        private Guid _queueId;
        private OrganizationServiceProxy _serviceProxy;

        #endregion Class Level Members

        #region How To Sample Code
        /// <summary>
        /// Create and configure the organization service proxy.
        /// Initiate method to create any entity records that this sample requires.
        /// Remove worker from queue item to release queued object
        /// which user is working on.
        /// Optionally delete any entity records that were created for this sample.
        /// <para name="organizationFriendlyName">The friendly name of the 
        /// target organization.</para>
        /// <para name="discoveryServer">The name of the discovery server.</para>
        /// <param name="promptForDelete">Indicates whether to prompt the user to delete
        /// the records created in this sample.</param>
        /// </summary>
        public void Run(ServerConnection.Configuration serverConfig, bool promptForDelete)
        {
            try
            {


                // Connect to the Organization service. 
                // The using statement assures that the service proxy will be properly disposed.
                using (_serviceProxy = new OrganizationServiceProxy(serverConfig.OrganizationUri, serverConfig.HomeRealmUri, serverConfig.Credentials, serverConfig.DeviceCredentials))
                {
                    // This statement is required to enable early-bound type support.
                    _serviceProxy.EnableProxyTypes();

                    CreateRequiredRecords();

                    // Remove worker from queue item to release queued object
                    // from worker's queue using ReleaseToQueueRequest

                    ReleaseToQueueRequest releaseToQueueRequest = new ReleaseToQueueRequest
                    {
                        QueueItemId = _queueItemId
                    };
                    _serviceProxy.Execute(releaseToQueueRequest);

                    Console.WriteLine("Released the queued object from worker queue.");

                    DeleteRequiredRecords(promptForDelete);

                }
            }
            // Catch any service fault exceptions that Microsoft Dynamics CRM throws.
            catch (FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault>)
            {
                // You can handle an exception here or pass it back to the calling method.
                throw;
            }
        }

        /// <summary>
        /// This method creates any entity records that this sample requires.
        /// Create a queue record.
        /// Create a letter record.
        /// Create a queue item for queue record.
        /// Retrieves new owner's details. 
        /// Update the queue item record to assign it to new owner.
        /// </summary>
        public void CreateRequiredRecords()
        {
            // Create a private queue instance and set its property values.
            Queue newQueue = new Queue
            {
                Name = "Example Queue.",
                Description = "This is an example queue.",
                QueueViewType = new OptionSetValue((int)QueueQueueViewType.Private)
            };

            // Create a new queue and store its returned GUID in a variable 
            // for later use.
            _queueId = _serviceProxy.Create(newQueue);

            Console.WriteLine("Created {0}.", newQueue.Name);

            Letter newLetter = new Letter
            {
                Description = "Example Letter"
            };

            _letterId = _serviceProxy.Create(newLetter);

            Console.WriteLine("Created {0}.", newLetter.Description);

            // Create a new instance of a queueitem and initialize its 
            // properties.
            QueueItem item = new QueueItem
            {
                QueueId = new EntityReference(Queue.EntityLogicalName, _queueId),
                ObjectId = new EntityReference(Letter.EntityLogicalName, _letterId)
            };

            // Create the queueitem on the server, which will associate 
            // the letter with the queue.
            _queueItemId = _serviceProxy.Create(item);

            Console.WriteLine("Created the letter queue item for the queue.");

            // Retrieve the user information.
            WhoAmIRequest whoAmIRequest = new WhoAmIRequest();
            WhoAmIResponse whoAmIResponse = (WhoAmIResponse)_serviceProxy.Execute(
                whoAmIRequest);

            ColumnSet columnSet = new ColumnSet("fullname");
            SystemUser currentUser = (SystemUser)_serviceProxy.Retrieve(
                SystemUser.EntityLogicalName,
                whoAmIResponse.UserId, columnSet);
            String currentUserName = currentUser.FullName;

            // Create an instance of an existing queueitem in order to specify 
            // the user that will be working on it.
            QueueItem queueItem = new QueueItem
            {
                QueueItemId = _queueItemId,
                WorkerId = new EntityReference(SystemUser.EntityLogicalName,
                    whoAmIResponse.UserId)
            };

            _serviceProxy.Update(queueItem);

            Console.WriteLine("The letter queue item is queued for new owner {0}.",
                currentUserName);

            return;
        }

        /// <summary>
        /// Deletes any entity records that were created for this sample.
        /// <param name="prompt">Indicates whether to prompt the user to 
        /// delete the records created in this sample.</param>
        /// </summary>
        public void DeleteRequiredRecords(bool prompt)
        {
            bool deleteRecords = true;

            if (prompt)
            {
                Console.WriteLine("\nDo you want these entity records deleted? (y/n)");
                String answer = Console.ReadLine();

                deleteRecords = (answer.StartsWith("y") || answer.StartsWith("Y"));
            }

            if (deleteRecords)
            {
                _serviceProxy.Delete(QueueItem.EntityLogicalName, _queueItemId);
                _serviceProxy.Delete(Letter.EntityLogicalName, _letterId);
                _serviceProxy.Delete(Queue.EntityLogicalName, _queueId);

                Console.WriteLine("Entity records have been deleted.");
            }
        }

        #endregion How To Sample Code

        #region Main
        /// <summary>
        /// Main. Runs the sample and provides error output.
        /// <param name="args">Array of arguments to Main method.</param>
        /// </summary>
        static public void Main(string[] args)
        {
            try
            {
                // Obtain the target organization's Web address and client logon 
                // credentials from the user.
                ServerConnection serverConnect = new ServerConnection();
                ServerConnection.Configuration config = serverConnect.GetServerConfiguration();

                RemoveQueueItemWorker app = new RemoveQueueItemWorker();
                app.Run(config, true);
            }

            catch (FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault> ex)
            {
                Console.WriteLine("The application terminated with an error.");
                Console.WriteLine("Timestamp: {0}", ex.Detail.Timestamp);
                Console.WriteLine("Code: {0}", ex.Detail.ErrorCode);
                Console.WriteLine("Message: {0}", ex.Detail.Message);
                Console.WriteLine("Plugin Trace: {0}", ex.Detail.TraceText);
                Console.WriteLine("Inner Fault: {0}",
                    null == ex.Detail.InnerFault ? "No Inner Fault" : "Has Inner Fault");
            }
            catch (System.TimeoutException ex)
            {
                Console.WriteLine("The application terminated with an error.");
                Console.WriteLine("Message: {0}", ex.Message);
                Console.WriteLine("Stack Trace: {0}", ex.StackTrace);
                Console.WriteLine("Inner Fault: {0}",
                    null == ex.InnerException.Message ? "No Inner Fault" : ex.InnerException.Message);
            }
            catch (System.Exception ex)
            {
                Console.WriteLine("The application terminated with an error.");
                Console.WriteLine(ex.Message);

                // Display the details of the inner exception.
                if (ex.InnerException != null)
                {
                    Console.WriteLine(ex.InnerException.Message);

                    FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault> fe =
                        ex.InnerException
                        as FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault>;
                    if (fe != null)
                    {
                        Console.WriteLine("Timestamp: {0}", fe.Detail.Timestamp);
                        Console.WriteLine("Code: {0}", fe.Detail.ErrorCode);
                        Console.WriteLine("Message: {0}", fe.Detail.Message);
                        Console.WriteLine("Plugin Trace: {0}", fe.Detail.TraceText);
                        Console.WriteLine("Inner Fault: {0}",
                            null == fe.Detail.InnerFault ? "No Inner Fault" : "Has Inner Fault");
                    }
                }
            }
            // Additional exceptions to catch: SecurityTokenValidationException, ExpiredSecurityTokenException,
            // SecurityAccessDeniedException, MessageSecurityException, and SecurityNegotiationException.

            finally
            {
                Console.WriteLine("Press <Enter> to exit.");
                Console.ReadLine();
            }

        }
        #endregion Main
    }
}

See Also

Microsoft Dynamics CRM 2015 and Microsoft Dynamics CRM Online
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