サンプル: 複数の要求を実行する

 

公開日: 2017年1月

対象: Dynamics 365 (online)、Dynamics 365 (on-premises)、Dynamics CRM 2016、Dynamics CRM Online

一括操作でのデータのインポートのためにネットワークで個々の組織のメッセージ要求を多数送信すると、ネットワーク パフォーマンスに影響します。 パフォーマンスを向上させるため、Microsoft Dynamics 365 (オンラインおよび設置型) は要求を単一の Web サービス メソッド呼び出しにバッチ化できます。

このサンプル コードは、Microsoft Dynamics 365 (オンラインおよび設置型) 向けです。Microsoft Dynamics CRM SDK パッケージをダウンロードします。 このサンプル コードは、ダウンロード パッケージの次の場所にあります。

SampleCode\CS\DataManagement\ExecuteMultiple\ExecuteMultiple.cs

要件

この SDK で提供するサンプル コードを実行するために必要な要件については、「サンプルとヘルパー コードの使用」を参照してください。

使用例

このサンプルは、単一の Web サービス メソッド呼び出しを使用し、ExecuteMultipleRequest をパラメーターとして渡すことで複数の組織メッセージ要求を実行する方法を説明します。 ネットワークに送信するメッセージ要求の数を減らすことにより、メッセージ処理のパフォーマンスが向上します。 最初に、サンプルのキー セクションだけを示すスニペット、次に サンプル コードの完了を示します。

このサンプルは Web メソッド呼び出しを使用してコレクションのすべてのメッセージ要求を実行します。 実行時の動作を変更する設定も示しています。


// Get a reference to the organization service.
using (_serviceProxy = new OrganizationServiceProxy(serverConfig.OrganizationUri, serverConfig.HomeRealmUri,serverConfig.Credentials, serverConfig.DeviceCredentials))
{
    // Enable early-bound type support to add/update entity records required for this sample.
    _serviceProxy.EnableProxyTypes();

    #region Execute Multiple with Results
    // Create an ExecuteMultipleRequest object.
    requestWithResults = new ExecuteMultipleRequest()
    {
        // Assign settings that define execution behavior: continue on error, return responses. 
        Settings = new ExecuteMultipleSettings()
        {
            ContinueOnError = false,
            ReturnResponses = true
        },
        // Create an empty organization request collection.
        Requests = new OrganizationRequestCollection()
    };

    // Create several (local, in memory) entities in a collection. 
    EntityCollection input = GetCollectionOfEntitiesToCreate();

    // Add a CreateRequest for each entity to the request collection.
    foreach (var entity in input.Entities)
    {
        CreateRequest createRequest = new CreateRequest { Target = entity };
        requestWithResults.Requests.Add(createRequest);
    }

    // Execute all the requests in the request collection using a single web method call.
    ExecuteMultipleResponse responseWithResults =
        (ExecuteMultipleResponse)_serviceProxy.Execute(requestWithResults);

    // Display the results returned in the responses.
    foreach (var responseItem in responseWithResults.Responses)
    {
        // A valid response.
        if (responseItem.Response != null)
            DisplayResponse(requestWithResults.Requests[responseItem.RequestIndex], responseItem.Response);

        // An error has occurred.
        else if (responseItem.Fault != null)
            DisplayFault(requestWithResults.Requests[responseItem.RequestIndex], 
                responseItem.RequestIndex, responseItem.Fault);
    }

サンプル コードの完了


using System;
using System.ServiceModel;
using Microsoft.Crm.Sdk.Messages;
using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Sdk.Client;
using Microsoft.Xrm.Sdk.Messages;
using Microsoft.Xrm.Sdk.Metadata;
using Microsoft.Xrm.Sdk.Query;
using System.Collections.Generic;

namespace Microsoft.Crm.Sdk.Samples
{
    public class ExecuteMultiple
    {
        #region Class Level Members

        private OrganizationServiceProxy _serviceProxy;
        private readonly List<Guid> _newAccountIds = new List<Guid>();

        #endregion

        #region How To Sample Code

        /// <summary>
        /// This sample demonstrates how to execute a collection of message requests using a single web service
        /// call and optionally return the results.
        /// </summary>
        /// <seealso cref="http://msdn.microsoft.com/en-us/library/gg328075.aspx"/>
        /// <param name="serverConfig">Contains server connection information.</param>
        /// <param name="promptforDelete">When True, the user will be prompted to delete all
        /// created entities.</param>
        public void Run(ServerConnection.Configuration serverConfig, bool promptforDelete)
        {
            ExecuteMultipleRequest requestWithResults = null;
            try
            {                
                // Get a reference to the organization service.
                using (_serviceProxy = new OrganizationServiceProxy(serverConfig.OrganizationUri, serverConfig.HomeRealmUri,serverConfig.Credentials, serverConfig.DeviceCredentials))
                {
                    // Enable early-bound type support to add/update entity records required for this sample.
                    _serviceProxy.EnableProxyTypes();

                    #region Execute Multiple with Results
                    // Create an ExecuteMultipleRequest object.
                    requestWithResults = new ExecuteMultipleRequest()
                    {
                        // Assign settings that define execution behavior: continue on error, return responses. 
                        Settings = new ExecuteMultipleSettings()
                        {
                            ContinueOnError = false,
                            ReturnResponses = true
                        },
                        // Create an empty organization request collection.
                        Requests = new OrganizationRequestCollection()
                    };

                    // Create several (local, in memory) entities in a collection. 
                    EntityCollection input = GetCollectionOfEntitiesToCreate();

                    // Add a CreateRequest for each entity to the request collection.
                    foreach (var entity in input.Entities)
                    {
                        CreateRequest createRequest = new CreateRequest { Target = entity };
                        requestWithResults.Requests.Add(createRequest);
                    }

                    // Execute all the requests in the request collection using a single web method call.
                    ExecuteMultipleResponse responseWithResults =
                        (ExecuteMultipleResponse)_serviceProxy.Execute(requestWithResults);

                    // Display the results returned in the responses.
                    foreach (var responseItem in responseWithResults.Responses)
                    {
                        // A valid response.
                        if (responseItem.Response != null)
                            DisplayResponse(requestWithResults.Requests[responseItem.RequestIndex], responseItem.Response);

                        // An error has occurred.
                        else if (responseItem.Fault != null)
                            DisplayFault(requestWithResults.Requests[responseItem.RequestIndex], 
                                responseItem.RequestIndex, responseItem.Fault);
                    }
                    #endregion Execute Multiple with Results


                    #region Execute Multiple with No Results

                    ExecuteMultipleRequest requestWithNoResults = new ExecuteMultipleRequest()
                    {
                        // Set the execution behavior to not continue after the first error is received
                        // and to not return responses.
                        Settings = new ExecuteMultipleSettings()
                        {
                            ContinueOnError = false,
                            ReturnResponses = false
                        },
                        Requests = new OrganizationRequestCollection()
                    };

                    // Update the entities that were previously created.
                    EntityCollection update = GetCollectionOfEntitiesToUpdate();

                    foreach (var entity in update.Entities)
                    {
                        UpdateRequest updateRequest = new UpdateRequest { Target = entity };
                        requestWithNoResults.Requests.Add(updateRequest);
                    }

                    ExecuteMultipleResponse responseWithNoResults =
                        (ExecuteMultipleResponse)_serviceProxy.Execute(requestWithNoResults);

                    // There should be no responses unless there was an error. Only the first error 
                    // should be returned. That is the behavior defined in the settings.
                    if (responseWithNoResults.Responses.Count > 0)
                    {
                        foreach (var responseItem in responseWithNoResults.Responses)
                        {
                            if (responseItem.Fault != null)
                                DisplayFault(requestWithNoResults.Requests[responseItem.RequestIndex], 
                                    responseItem.RequestIndex, responseItem.Fault);
                        }
                    }
                    else
                    {
                        Console.WriteLine("All account records have been updated successfully.");
                    }

                    #endregion Execute Multiple with No Results


                    #region Execute Multiple with Continue On Error

                    ExecuteMultipleRequest requestWithContinueOnError = new ExecuteMultipleRequest()
                    {
                        // Set the execution behavior to continue on an error and not return responses.
                        Settings = new ExecuteMultipleSettings()
                        {
                            ContinueOnError = true,
                            ReturnResponses = false
                        },
                        Requests = new OrganizationRequestCollection()
                    };

                    // Update the entities but introduce some bad attribute values so we get errors.
                    EntityCollection updateWithErrors = GetCollectionOfEntitiesToUpdateWithErrors();

                    foreach (var entity in updateWithErrors.Entities)
                    {
                        UpdateRequest updateRequest = new UpdateRequest { Target = entity };
                        requestWithContinueOnError.Requests.Add(updateRequest);
                    }

                    ExecuteMultipleResponse responseWithContinueOnError =
                        (ExecuteMultipleResponse)_serviceProxy.Execute(requestWithContinueOnError);

                    // There should be no responses except for those that contain an error. 
                    if (responseWithContinueOnError.Responses.Count > 0)
                    {
                        if (responseWithContinueOnError.Responses.Count < requestWithContinueOnError.Requests.Count)
                        {
                            Console.WriteLine("Response collection contain a mix of successful response objects and errors.");
                        }
                        foreach (var responseItem in responseWithContinueOnError.Responses)
                        {
                            if (responseItem.Fault != null)
                                DisplayFault(requestWithContinueOnError.Requests[responseItem.RequestIndex], 
                                    responseItem.RequestIndex, responseItem.Fault);
                        }
                    }
                    else
                    {
                        // No errors means all transactions are successful.
                        Console.WriteLine("All account records have been updated successfully.");
                    }

                    #endregion Execute Multiple with Continue On Error

                    DeleteRequiredRecords(promptforDelete);
                }
            }

            catch (FaultException<OrganizationServiceFault> fault)
            {
                // Check if the maximum batch size has been exceeded. The maximum batch size is only included in the fault if it
                // the input request collection count exceeds the maximum batch size.
                if (fault.Detail.ErrorDetails.Contains("MaxBatchSize"))
                {
                    int maxBatchSize = Convert.ToInt32(fault.Detail.ErrorDetails["MaxBatchSize"]);
                    if (maxBatchSize < requestWithResults.Requests.Count)
                    {
                        // Here you could reduce the size of your request collection and re-submit the ExecuteMultiple request.
                        // For this sample, that only issues a few requests per batch, we will just print out some info. However,
                        // this code will never be executed because the default max batch size is 1000.
                        Console.WriteLine("The input request collection contains %0 requests, which exceeds the maximum allowed (%1)",
                            requestWithResults.Requests.Count, maxBatchSize);
                    }
                }
                // Re-throw so Main() can process the fault.
                throw;
            }
        }


        #region Public Methods

        /// <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 to delete the account record? (y/n) [y]: ");
                String answer = Console.ReadLine();

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

            if (!deleteRecords)
                return;

            ExecuteMultipleRequest requestWithNoResults = new ExecuteMultipleRequest()
                            {
                                // Set the execution behavior to not continue after the first error is received
                                // and to not return responses.
                                Settings = new ExecuteMultipleSettings()
                                {
                                    ContinueOnError = false,
                                    ReturnResponses = false
                                },
                                Requests = new OrganizationRequestCollection()
                            };

            // Update the entities that were previously created.
            EntityCollection delete = GetCollectionOfEntitiesToDelete();

            foreach (var entity in delete.Entities)
            {
                DeleteRequest deleteRequest = new DeleteRequest { Target = entity.ToEntityReference() };
                requestWithNoResults.Requests.Add(deleteRequest);
            }

            ExecuteMultipleResponse responseWithNoResults =
                (ExecuteMultipleResponse)_serviceProxy.Execute(requestWithNoResults);

            // There should be no responses unless there was an error. Only the first error 
            // should be returned. That is the behavior defined in the settings.
            if (responseWithNoResults.Responses.Count > 0)
            {
                foreach (var responseItem in responseWithNoResults.Responses)
                {
                    if (responseItem.Fault != null)
                        DisplayFault(requestWithNoResults.Requests[responseItem.RequestIndex], 
                            responseItem.RequestIndex, responseItem.Fault);
                }
            }
            else
            {
                Console.WriteLine("All account records have been deleted successfully.");
            }                       
        }       

        #endregion

        #region Private Methods

        /// <summary>
        /// Create a collection of entity objects for updating. Give these entities a new
        /// name for the update. However, use a bad (empty) GUID in some entities to demonstrate
        /// returning errors in ExecuteMultipleResponse.
        /// </summary>
        /// <returns>An entity collection.</returns>
        private EntityCollection GetCollectionOfEntitiesToUpdateWithErrors()
        {
            EntityCollection collection = new EntityCollection()
            {
                EntityName = Account.EntityLogicalName
            };

            for (int i = 1; i <= _newAccountIds.Count; i++)
            {
                if (i % 2 > 0)
                {
                    collection.Entities.Add(
                    new Account
                    {
                        Name = "Again Updated Example Account " + i.ToString(),
                        Id = new Guid()
                    });
                }
                else
                {

                    collection.Entities.Add(
                        new Account
                        {
                            Name = "Again Updated Example Account " + i.ToString(),
                            Id = _newAccountIds[i - 1]
                        });
                }
            }

            return collection;
        }

        /// <summary>
        /// Create a collection of entity objects for updating. Give these entities a new
        /// name for the update.
        /// </summary>
        /// <returns>An entity collection.</returns>
        private EntityCollection GetCollectionOfEntitiesToUpdate()
        {
            EntityCollection collection = new EntityCollection()
            {
                EntityName = Account.EntityLogicalName
            };

            for (int i = 1; i <= _newAccountIds.Count; i++)
            {
                collection.Entities.Add(
                    new Account
                    {
                        Name = "Updated Example Account " + i.ToString(),
                        Id = _newAccountIds[i - 1]
                    });
            }

            return collection;
        }

        /// <summary>
        /// Create a collection of new entity objects.
        /// </summary>
        /// <returns>A collection of entity objects.</returns>
        private EntityCollection GetCollectionOfEntitiesToCreate()
        {
            return new EntityCollection()
            {
                EntityName = Account.EntityLogicalName,
                Entities = {
                    new Account { Name = "Example Account 1" },
                    new Account { Name = "Example Account 2" },
                    new Account { Name = "Example Account 3" },
                    new Account { Name = "Example Account 4" },
                    new Account { Name = "Example Account 5" }
                }
            };
        }

        /// <summary>
        /// Delete a collection of entity objects.
        /// </summary>
        /// <returns>A collection of entity objects</returns>
        private EntityCollection GetCollectionOfEntitiesToDelete()
        {
            EntityCollection collection = new EntityCollection()
            {
                EntityName = Account.EntityLogicalName
            };

            for (int i = 1; i <= _newAccountIds.Count; i++)
            {
                collection.Entities.Add(
                    new Account
                    {
                        Id = _newAccountIds[i - 1]
                    });
            }

            return collection;
        }        

        /// <summary>
        /// Display the response of an organization message request.
        /// </summary>
        /// <param name="organizationRequest">The organization message request.</param>
        /// <param name="organizationResponse">The organization message response.</param>
        private void DisplayResponse(OrganizationRequest organizationRequest, OrganizationResponse organizationResponse)
        {
            Console.WriteLine("Created " + ((Account)organizationRequest.Parameters["Target"]).Name
                + " with account id as " + organizationResponse.Results["id"].ToString());
            _newAccountIds.Add(new Guid(organizationResponse.Results["id"].ToString()));
        }

        /// <summary>
        /// Display the fault that resulted from processing an organization message request.
        /// </summary>
        /// <param name="organizationRequest">The organization message request.</param>
        /// <param name="count">nth request number from ExecuteMultiple request</param>
        /// <param name="organizationServiceFault">A WCF fault.</param>
        private void DisplayFault(OrganizationRequest organizationRequest, int count,
            OrganizationServiceFault organizationServiceFault)
        {
            Console.WriteLine("A fault occurred when processing {1} request, at index {0} in the request collection with a fault message: {2}", count + 1,
                organizationRequest.RequestName,
                organizationServiceFault.Message);
        }

        #endregion

        #endregion How To Sample Code

        #region Main method

        /// <summary>
        /// Standard Main() method used by most SDK samples.
        /// </summary>
        /// <param name="args"></param>
        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();

                var app = new ExecuteMultiple();
                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("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("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 method
    }
}

関連項目

ExecuteMultipleRequest
ExecuteMultipleSettings
組織サービスを使用したデータまたはメタデータの読み取りと書き込み
大量データ負荷でパフォーマンスを向上させる ExecuteMultiple を使用する

Microsoft Dynamics 365

© 2017 Microsoft. All rights reserved. 著作権