Created
April 1, 2012 17:28
-
-
Save tpetrina/2277212 to your computer and use it in GitHub Desktop.
Wrappers for asynchronous operations exposed by DataServiceQuery<T> and DataServiceContext
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// Use in VS11 and .NET 4.5 or in VS10 with the Async CTP installed | |
// | |
namespace DataServiceAsyncExtensions | |
{ | |
using System; | |
using System.Collections.Generic; | |
using System.Data.Services.Client; | |
using System.Threading.Tasks; | |
public static class DataServiceQueryExtensions | |
{ | |
public static Task<IEnumerable<T>> ExecuteAsync<T>(this DataServiceQuery<T> query, object state) | |
{ | |
return Task.Factory.FromAsync<IEnumerable<T>>(query.BeginExecute, query.EndExecute, state); | |
} | |
} | |
public static class DataServiceContextExtensions | |
{ | |
public static Task<IEnumerable<T>> ExecuteAsync<T>(this DataServiceContext context, DataServiceQueryContinuation<T> continuation, object state) | |
{ | |
return Task.Factory.FromAsync<DataServiceQueryContinuation<T>, IEnumerable<T>>(context.BeginExecute<T>, context.EndExecute<T>, continuation, state); | |
} | |
public static Task<IEnumerable<T>> ExecuteAsync<T>(this DataServiceContext context, Uri requestUri, object state) | |
{ | |
return Task.Factory.FromAsync<Uri, IEnumerable<T>>(context.BeginExecute<T>, context.EndExecute<T>, requestUri, state); | |
} | |
public static Task<DataServiceResponse> ExecuteBatchAsync(this DataServiceContext context, object state, params DataServiceRequest[] queries) | |
{ | |
if (context == null) | |
throw new ArgumentNullException("context"); | |
return Task.Factory.FromAsync<DataServiceResponse>(context.BeginExecuteBatch(null, state, queries), context.EndExecuteBatch); | |
} | |
public static Task<DataServiceStreamResponse> GetReadStreamAsync(this DataServiceContext context, object entity, DataServiceRequestArgs args, object state) | |
{ | |
return Task.Factory.FromAsync<object, DataServiceRequestArgs, DataServiceStreamResponse>(context.BeginGetReadStream, context.EndGetReadStream, entity, args, state); | |
} | |
public static Task<QueryOperationResponse> LoadPropertyAsync(this DataServiceContext context, object entity, string propertyName, object state) | |
{ | |
return Task.Factory.FromAsync<object, string, QueryOperationResponse>(context.BeginLoadProperty, context.EndLoadProperty, entity, propertyName, state); | |
} | |
public static Task<QueryOperationResponse> LoadPropertyAsync(this DataServiceContext context, object entity, string propertyName, DataServiceQueryContinuation continuation, object state) | |
{ | |
return Task.Factory.FromAsync<object, string, DataServiceQueryContinuation, QueryOperationResponse>(context.BeginLoadProperty, context.EndLoadProperty, entity, propertyName, continuation, state); | |
} | |
public static Task<QueryOperationResponse> LoadPropertyAsync(this DataServiceContext context, object entity, string propertyName, Uri nextLinkUri, object state) | |
{ | |
return Task.Factory.FromAsync<object, string, Uri, QueryOperationResponse>(context.BeginLoadProperty, context.EndLoadProperty, entity, propertyName, nextLinkUri, state); | |
} | |
public static Task<DataServiceResponse> SaveChangesAsync(this DataServiceContext context, object state) | |
{ | |
return Task.Factory.FromAsync<DataServiceResponse>(context.BeginSaveChanges, context.EndSaveChanges, state); | |
} | |
public static Task<DataServiceResponse> SaveChangesAsync(this DataServiceContext context, SaveChangesOptions options, object state) | |
{ | |
return Task.Factory.FromAsync<SaveChangesOptions, DataServiceResponse>(context.BeginSaveChanges, context.EndSaveChanges, options, state); | |
} | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment