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| title: "OData lib 8.x changelog" | ||
| description: OData lib 8.x changelog | ||
| author: jogathog | ||
| ms.author: gathogojr | ||
| ms.date: 4/25/2024 | ||
| ms.topic: article | ||
| --- | ||
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| # OData lib 8.x changelog | ||
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| OData lib is loosely used to refer to the following group of OData libraries available on the [Nuget gallery](https://www.nuget.org/packages): | ||
| - [Microsoft.OData.Core](https://www.nuget.org/packages/Microsoft.OData.Core) | ||
| - [Microsoft.OData.Edm](https://www.nuget.org/packages/Microsoft.OData.Edm) | ||
| - [Microsoft.Spatial](https://www.nuget.org/packages/Microsoft.Spatial) | ||
| - [Microsoft.OData.Client](https://www.nuget.org/packages/Microsoft.OData.Client) | ||
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| You can install or update any of the NuGet packages for OData lib using the [Package Manager Console](https://docs.nuget.org/docs/start-here/using-the-package-manager-console). | ||
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| ## [8.0.0-preview.1](https://github.com/OData/odata.net/releases/tag/8.0.0-preview.1) | ||
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| Starting version 8, OData lib will only target .NET Core framework. | ||
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| ### [Microsoft.OData.Core](https://www.nuget.org/packages/Microsoft.OData.Core/8.0.0-preview.1) | ||
| - `IJsonReaderAsync` interface has been merged into `IJsonReader` interface. | ||
| - Any implementation of `IJsonReader` needs to implement methods previously defined in `IJsonReaderAsync` interfaces. | ||
| - The `Value` property in `IJsonReader` interface is replaced by `GetValue` method. | ||
| - `IJsonReaderFactoryAsync` interface has been dropped. | ||
| - `IJsonStreamWriter`, `IJsonWriterAsync` and `IJsonStreamWriterAsync` interfaces have been merged into `IJsonWriter` interface. | ||
| - Any implementation of `IJsonWriter` needs to implement methods previously defined in `IJsonStreamWriter`, `IJsonWriterAsync` and `IJsonStreamWriterAsync` interfaces. | ||
| - `IStreamBasedJsonWriterFactory` and `IJsonWriterFactoryAsync` interfaces has been dropped. | ||
| - `CreateJsonWriter(TextReader, bool)` defined in `IJsonWriterFactory` has changed to `CreateJsonWriter(Stream, bool, Encoding)`. The method now accepts a `Stream` rather than a `TextReader`. | ||
| - `IEdmEntityType EntityType` property introduced in `IEdmNavigationSource` interface. | ||
| - Any implementation of `IEdmNavigationSource` needs to implement the `EntityType` property. | ||
| - The public `EntityType(IEdmNavigationSource)` static method has been marked as obsolete and will be removed in ODL 9. | ||
| - `List<ODataUrlValidationMessage> Messages` property defined in `ODataUrlValidationContext` class has changed to `IReadOnlyList<ODataUrlValidationMessage> Messages`. | ||
| - `AddMessage(ODataUrlValidationMessage)` overload introduced in `ODataUrlValidationContext`. | ||
| - `INavigationSourceSegment` interface introduced. The purpose of this new interface is to reduce casting when determining the navigation source associated with the segment. `EntitySetSegment`, `SingletonSegment` and `NavigationPropertySegment` implement this new interface. | ||
| - Deprecated support for JSONP callback. Feature to be removed in ODL 9. | ||
| - `JsonPCallback` property defined in `ODataMessageWriterSettings` class marked as obsolete. | ||
| - `StartPaddingFunctionScope` method defined in `IJsonWriter` interface marked as obsolete. | ||
| - `EndPaddingFunctionScope` method defined in `IJsonWriter` interface marked as obsolete. | ||
| - `WritePaddingFunctionName` method defined in `IJsonWriter` interface marked as obsolete. | ||
| - `StartPaddingFunctionScopeAsync` method defined in `IJsonWriter` interface marked as obsolete. | ||
| - `EndPaddingFunctionScopeAsync` method defined in `IJsonWriter` interface marked as obsolete. | ||
| - `WritePaddingFunctionNameAsync` method defined in `IJsonWriter` interface marked as obsolete. | ||
| - `ODataSimplifiedOptions` class dropped. This class would be injected into the DI container and the settings used to control behaviour when parsing URLs, and when writing and reading payloads. In ODL 8, `ODataMessageReaderSettings`, `ODataMessageWriterSettings`, and `ODataUriParserSettings` may variously be used to accomplish the same purpose. | ||
| - `EnableReadingKeyAsSegment` and `EnableReadingODataAnnotationWithoutPrefix` properties moved to `ODataMessageReaderSettings` class. | ||
| - `EnableWritingKeyAsSegment` property moved to `ODataMessageWriterSettings` class. | ||
| - `SetOmitODataPrefix(bool)`, `SetOmitODataPrefix(bool, ODataVersion)`, `GetOmitODataPrefix()`, and `GetOmitODataPrefix(ODataVersion)` methods moved to `ODataMessageWriterSettings` class. | ||
| - `EnableParsingKeyAsSegment` property moved to `ODataUriParserSettings` class. | ||
| - In ODL 7, when `ODataBinaryStreamValue` class is initialized using the `ODataBinaryStreamValue(Stream)` constructor, the stream is left open by default upon the object being disposed. In ODL 8, the stream is closed by default the object objects is disposed. The `ODataBinaryStreamValue(Stream, bool)` constructor overload may be used where leaving the stream open is intended. | ||
| - `IContainerBuilder` interface used when registering OData services was dropped. Use `Microsoft.Extensions.DependencyInjection` library instead. | ||
| - `AddDefaultODataServices(IServiceCollection, ODataVersion, Action<ODataMessageReaderSettings>, Action<ODataMessageWriterSettings>, Action<ODataUriParserSettings>)` extension method introduced for the purpose of registering OData services. | ||
| - `IContainerProvider` interface replaced by `IServiceCollectionProvider` interface. It's a provider for the `IServiceProvider` IoC container. | ||
| - `ODataBatchOperationRequestMessage` now implements `IServiceCollectionProvider` instead of `IContainerProvider`. | ||
| - `ODataBatchOperationResponseMessage` now implements `IServiceCollectionProvider` instead of `IContainerProvider`. | ||
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| ### [Microsoft.OData.Client](https://www.nuget.org/packages/Microsoft.OData.Client/8.0.0-preview.1) | ||
| - `HttpWebRequestMessage` class has been dropped - effectively dropping support for `HttpWebRequest`. Use `HttpClientRequestMessage` class instead. | ||
| - `IHttpClientHandlerProvider` interface used to provide `HttpClientHandler` for use with `DataServiceContext` has been dropped. | ||
| - `HttpClientHandlerProvider` property defined in `DataServiceClientRequestMessageArgs` class and used for providing `HttpClientHandler` substituted with `HttpClientFactory` property that accomplishes the same purpose. | ||
| - `HttpClientHandlerProvider` property defined in `DataServiceContext` class and used for providing `HttpClientHandler` substituted with `HttpClientFactory` property that accomplishes the same purpose. | ||
| - Obsolete `Credentials` property dropped from `DataServiceClientRequestMessage` abstract class. The recommended way to configure credentials is through `HttpClientHandler` that can be provided using `IHttpClientFactory`. | ||
| - Obsolete `Credentials` property dropped from `HttpClientRequestMessage` class. The recommended way to configure credentials is through `HttpClientHandler` that can be provided using `IHttpClientFactory`. | ||
| - Obsolete `Credentials` property dropped from `DataServiceContext` class. The recommended way to configure credentials is through `HttpClientHandler` that can be provided using `IHttpClientFactory`. | ||
| - Obsolete `ReadWriteTimeout` property dropped from `DataServiceClientRequestMessage` abstract class. This property would be used with `HttpWebRequestMessage`. `Timeout` property may be used instead. | ||
| - Obsolete `ReadWriteTimeout` property dropped from `HttpClientRequestMessage` class. This property would be used with `HttpWebRequestMessage`. `Timeout` property may be used instead. | ||
| - In `DataServiceClientRequestMessageArgs` class, the `DataServiceClientRequestMessageArgs(string, Uri, bool, bool, IDictionary<string, string>)` constructor has changed to `DataServiceClientRequestMessageArgs(string, Uri, bool, IDictionary<string, string>)`. The boolean `useDefaultCredentials` parameter is no longer supported. | ||
| - In `DataServiceClientRequestMessageArgs` class, the `DataServiceClientRequestMessageArgs(string, Uri, bool, bool, IDictionary<string, string>, IHttpClientHandlerProvider)` constructor has changed to `DataServiceClientRequestMessageArgs(string, Uri, bool, IDictionary<string, string>, IHttpClientFactory)`. The boolean `useDefaultCredentials` parameter is no longer supported. | ||
| - In `DataServiceClientRequestMessageArgs` class, the `UseDefaultCredentials` property dropped from `DataServiceClientRequestMessageArgs` class. The recommended way to configure credentials is through `HttpClientHandler` that can be provided using `IHttpClientFactory`. | ||
| - `KeyComparisonGeneratesFilterQuery` flag defined in `DataServiceContext` class marked as deprecated. Flag will be removed in ODL 9. | ||
| - Default value for `keyComparisonGeneratesFilterQuery` flag set to true such that a `Where` expression with only the key property in the predicate is translated into a `$filter` query rather a resouce URL for requesting a single entity. |