Evolve null-checking approach

Part of #19233 Removes a lot of null checks from code that is not intended to be called directly by application code.
dotnet · Oct 28, 2021 · 6319926 · 6319926
1 parent a09fe49
commit 6319926
Show file tree

Hide file tree

Showing 59 changed files with 60 additions and 592 deletions.
diff --git a/src/EFCore.Abstractions/ObservableCollectionExtensions.cs b/src/EFCore.Abstractions/ObservableCollectionExtensions.cs
@@ -4,7 +4,6 @@
 using System.Collections.ObjectModel;
 using System.ComponentModel;
 using Microsoft.EntityFrameworkCore.ChangeTracking.Internal;
-using Microsoft.EntityFrameworkCore.Utilities;
 
 namespace Microsoft.EntityFrameworkCore
 {
@@ -25,10 +24,6 @@ public static class ObservableCollectionExtensions
         /// <returns>The binding list.</returns>
         public static BindingList<T> ToBindingList<T>(this ObservableCollection<T> source)
             where T : class
-        {
-            Check.NotNull(source, nameof(source));
-
-            return new ObservableBackedBindingList<T>(source);
-        }
+            => new ObservableBackedBindingList<T>(source);
     }
 }
diff --git a/src/EFCore.Cosmos/Extensions/CosmosDatabaseFacadeExtensions.cs b/src/EFCore.Cosmos/Extensions/CosmosDatabaseFacadeExtensions.cs
@@ -7,7 +7,6 @@
 using Microsoft.EntityFrameworkCore.Cosmos.Internal;
 using Microsoft.EntityFrameworkCore.Cosmos.Storage.Internal;
 using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.EntityFrameworkCore.Utilities;
 using Microsoft.Extensions.DependencyInjection;
 
 // ReSharper disable once CheckNamespace
@@ -32,8 +31,6 @@ public static CosmosClient GetCosmosClient(this DatabaseFacade databaseFacade)
 
         private static TService GetService<TService>(IInfrastructure<IServiceProvider> databaseFacade)
         {
-            Check.NotNull(databaseFacade, nameof(databaseFacade));
-
             var service = databaseFacade.Instance.GetService<TService>();
             if (service == null)
             {

diff --git a/src/EFCore.Cosmos/Extensions/CosmosEntityTypeBuilderExtensions.cs b/src/EFCore.Cosmos/Extensions/CosmosEntityTypeBuilderExtensions.cs
@@ -37,7 +37,6 @@ public static EntityTypeBuilder ToContainer(
             this EntityTypeBuilder entityTypeBuilder,
             string? name)
         {
-            Check.NotNull(entityTypeBuilder, nameof(entityTypeBuilder));
             Check.NullButNotEmpty(name, nameof(name));
 
             entityTypeBuilder.Metadata.SetContainer(name);
@@ -108,7 +107,6 @@ public static bool CanSetContainer(
             string? name,
             bool fromDataAnnotation = false)
         {
-            Check.NotNull(entityTypeBuilder, nameof(entityTypeBuilder));
             Check.NullButNotEmpty(name, nameof(name));
 
             return entityTypeBuilder.CanSetAnnotation(CosmosAnnotationNames.ContainerName, name, fromDataAnnotation);
@@ -200,7 +198,6 @@ public static bool CanSetJsonProperty(
             string? name,
             bool fromDataAnnotation = false)
         {
-            Check.NotNull(entityTypeBuilder, nameof(entityTypeBuilder));
             Check.NullButNotEmpty(name, nameof(name));
 
             return entityTypeBuilder.CanSetAnnotation(CosmosAnnotationNames.PropertyName, name, fromDataAnnotation);
@@ -239,11 +236,7 @@ public static EntityTypeBuilder<TEntity> HasPartitionKey<TEntity>(
             this EntityTypeBuilder<TEntity> entityTypeBuilder,
             string? name)
             where TEntity : class
-        {
-            entityTypeBuilder.Metadata.SetPartitionKeyPropertyName(name);
-
-            return entityTypeBuilder;
-        }
+            => (EntityTypeBuilder<TEntity>)HasPartitionKey((EntityTypeBuilder)entityTypeBuilder, name);
 
         /// <summary>
         ///     Configures the property that is used to store the partition key.
@@ -262,9 +255,7 @@ public static EntityTypeBuilder<TEntity> HasPartitionKey<TEntity, TProperty>(
         {
             Check.NotNull(propertyExpression, nameof(propertyExpression));
 
-            entityTypeBuilder.Metadata.SetPartitionKeyPropertyName(propertyExpression.GetMemberAccess().GetSimpleMemberName());
-
-            return entityTypeBuilder;
+            return HasPartitionKey(entityTypeBuilder, propertyExpression.GetMemberAccess().GetSimpleMemberName());
         }
 
         /// <summary>
@@ -313,7 +304,6 @@ public static bool CanSetPartitionKey(
             string? name,
             bool fromDataAnnotation = false)
         {
-            Check.NotNull(entityTypeBuilder, nameof(entityTypeBuilder));
             Check.NullButNotEmpty(name, nameof(name));
 
             return entityTypeBuilder.CanSetAnnotation(CosmosAnnotationNames.PartitionKeyName, name, fromDataAnnotation);
@@ -330,11 +320,10 @@ public static bool CanSetPartitionKey(
         /// <returns>The same builder instance so that multiple calls can be chained.</returns>
         public static EntityTypeBuilder UseETagConcurrency(this EntityTypeBuilder entityTypeBuilder)
         {
-            Check.NotNull(entityTypeBuilder, nameof(entityTypeBuilder));
-
             entityTypeBuilder.Property<string>("_etag")
                 .ValueGeneratedOnAddOrUpdate()
                 .IsConcurrencyToken();
+
             return entityTypeBuilder;
         }
 
@@ -349,11 +338,7 @@ public static EntityTypeBuilder UseETagConcurrency(this EntityTypeBuilder entity
         /// <returns>The same builder instance so that multiple calls can be chained.</returns>
         public static EntityTypeBuilder<TEntity> UseETagConcurrency<TEntity>(this EntityTypeBuilder<TEntity> entityTypeBuilder)
             where TEntity : class
-        {
-            Check.NotNull(entityTypeBuilder, nameof(entityTypeBuilder));
-            UseETagConcurrency((EntityTypeBuilder)entityTypeBuilder);
-            return entityTypeBuilder;
-        }
+            => (EntityTypeBuilder<TEntity>)UseETagConcurrency((EntityTypeBuilder)entityTypeBuilder);
 
         /// <summary>
         ///     Configures the time to live for analytical store in seconds at container scope.
@@ -388,11 +373,7 @@ public static EntityTypeBuilder<TEntity> HasAnalyticalStoreTimeToLive<TEntity>(
             this EntityTypeBuilder<TEntity> entityTypeBuilder,
             int? seconds)
             where TEntity : class
-        {
-            entityTypeBuilder.Metadata.SetAnalyticalStoreTimeToLive(seconds);
-
-            return entityTypeBuilder;
-        }
+            => (EntityTypeBuilder<TEntity>)HasAnalyticalStoreTimeToLive((EntityTypeBuilder)entityTypeBuilder, seconds);
 
         /// <summary>
         ///     Configures the time to live for analytical store in seconds at container scope.
@@ -478,11 +459,7 @@ public static EntityTypeBuilder<TEntity> HasDefaultTimeToLive<TEntity>(
             this EntityTypeBuilder<TEntity> entityTypeBuilder,
             int? seconds)
             where TEntity : class
-        {
-            entityTypeBuilder.Metadata.SetDefaultTimeToLive(seconds);
-
-            return entityTypeBuilder;
-        }
+            => (EntityTypeBuilder<TEntity>)HasDefaultTimeToLive((EntityTypeBuilder)entityTypeBuilder, seconds);
 
         /// <summary>
         ///     Configures the default time to live in seconds at container scope.
@@ -529,11 +506,7 @@ public static bool CanSetDefaultTimeToLive(
             this IConventionEntityTypeBuilder entityTypeBuilder,
             int? seconds,
             bool fromDataAnnotation = false)
-        {
-            Check.NotNull(entityTypeBuilder, nameof(entityTypeBuilder));
-
-            return entityTypeBuilder.CanSetAnnotation(CosmosAnnotationNames.DefaultTimeToLive, seconds, fromDataAnnotation);
-        }
+            => entityTypeBuilder.CanSetAnnotation(CosmosAnnotationNames.DefaultTimeToLive, seconds, fromDataAnnotation);
 
         /// <summary>
         ///     Configures the manual provisioned throughput offering.
@@ -564,11 +537,7 @@ public static EntityTypeBuilder<TEntity> HasManualThroughput<TEntity>(
             this EntityTypeBuilder<TEntity> entityTypeBuilder,
             int? throughput)
             where TEntity : class
-        {
-            entityTypeBuilder.Metadata.SetThroughput(throughput, autoscale: false);
-
-            return entityTypeBuilder;
-        }
+            => (EntityTypeBuilder<TEntity>)HasManualThroughput((EntityTypeBuilder)entityTypeBuilder, throughput);
 
         /// <summary>
         ///     Configures the autoscale provisioned throughput offering.
@@ -599,11 +568,7 @@ public static EntityTypeBuilder<TEntity> HasAutoscaleThroughput<TEntity>(
             this EntityTypeBuilder<TEntity> entityTypeBuilder,
             int? throughput)
             where TEntity : class
-        {
-            entityTypeBuilder.Metadata.SetThroughput(throughput, autoscale: true);
-
-            return entityTypeBuilder;
-        }
+            => (EntityTypeBuilder<TEntity>)HasAutoscaleThroughput((EntityTypeBuilder)entityTypeBuilder, throughput);
 
         /// <summary>
         ///     Configures the provisioned throughput.

diff --git a/src/EFCore.Cosmos/Extensions/CosmosEntityTypeExtensions.cs b/src/EFCore.Cosmos/Extensions/CosmosEntityTypeExtensions.cs
@@ -260,8 +260,8 @@ public static void SetETagPropertyName(
         /// <returns>The property mapped to ETag, or <see langword="null" /> if no property is mapped to ETag.</returns>
         public static IReadOnlyProperty? GetETagProperty(this IReadOnlyEntityType entityType)
         {
-            Check.NotNull(entityType, nameof(entityType));
             var etagPropertyName = entityType.GetETagPropertyName();
+
             return !string.IsNullOrEmpty(etagPropertyName) ? entityType.FindProperty(etagPropertyName) : null;
         }
 

diff --git a/src/EFCore.Cosmos/Extensions/CosmosModelBuilderExtensions.cs b/src/EFCore.Cosmos/Extensions/CosmosModelBuilderExtensions.cs
@@ -34,7 +34,6 @@ public static ModelBuilder HasDefaultContainer(
             this ModelBuilder modelBuilder,
             string? name)
         {
-            Check.NotNull(modelBuilder, nameof(modelBuilder));
             Check.NullButNotEmpty(name, nameof(name));
 
             modelBuilder.Model.SetDefaultContainer(name);

diff --git a/src/EFCore.Cosmos/Extensions/CosmosPropertyBuilderExtensions.cs b/src/EFCore.Cosmos/Extensions/CosmosPropertyBuilderExtensions.cs
@@ -36,7 +36,6 @@ public static PropertyBuilder ToJsonProperty(
             this PropertyBuilder propertyBuilder,
             string name)
         {
-            Check.NotNull(propertyBuilder, nameof(propertyBuilder));
             Check.NotNull(name, nameof(name));
 
             propertyBuilder.Metadata.SetJsonPropertyName(name);
@@ -118,11 +117,11 @@ public static bool CanSetJsonProperty(
         /// <returns>The same builder instance so that multiple calls can be chained.</returns>
         public static PropertyBuilder IsETagConcurrency(this PropertyBuilder propertyBuilder)
         {
-            Check.NotNull(propertyBuilder, nameof(propertyBuilder));
             propertyBuilder
                 .IsConcurrencyToken()
                 .ToJsonProperty("_etag")
                 .ValueGeneratedOnAddOrUpdate();
+
             return propertyBuilder;
         }
 

diff --git a/src/EFCore.Cosmos/Extensions/CosmosQueryableExtensions.cs b/src/EFCore.Cosmos/Extensions/CosmosQueryableExtensions.cs
@@ -43,7 +43,6 @@ public static IQueryable<TEntity> WithPartitionKey<TEntity>(
             [NotParameterized] string partitionKey)
             where TEntity : class
         {
-            Check.NotNull(source, nameof(source));
             Check.NotNull(partitionKey, nameof(partitionKey));
 
             return
@@ -90,7 +89,6 @@ public static IQueryable<TEntity> FromSqlRaw<TEntity>(
             params object[] parameters)
             where TEntity : class
         {
-            Check.NotNull(source, nameof(source));
             Check.NotEmpty(sql, nameof(sql));
             Check.NotNull(parameters, nameof(parameters));
 

diff --git a/src/EFCore.Cosmos/Extensions/CosmosServiceCollectionExtensions.cs b/src/EFCore.Cosmos/Extensions/CosmosServiceCollectionExtensions.cs
@@ -15,7 +15,6 @@
 using Microsoft.EntityFrameworkCore.Metadata.Conventions.Infrastructure;
 using Microsoft.EntityFrameworkCore.Query;
 using Microsoft.EntityFrameworkCore.Storage;
-using Microsoft.EntityFrameworkCore.Utilities;
 using Microsoft.EntityFrameworkCore.ValueGeneration;
 
 // ReSharper disable once CheckNamespace
@@ -70,17 +69,12 @@ public static IServiceCollection AddCosmos<TContext>(
             Action<CosmosDbContextOptionsBuilder>? cosmosOptionsAction = null,
             Action<DbContextOptionsBuilder>? optionsAction = null)
             where TContext : DbContext
-        {
-            Check.NotNull(serviceCollection, nameof(serviceCollection));
-            Check.NotEmpty(databaseName, nameof(databaseName));
-
-            return serviceCollection.AddDbContext<TContext>(
+            => serviceCollection.AddDbContext<TContext>(
                 (serviceProvider, options) =>
                 {
                     optionsAction?.Invoke(options);
                     options.UseCosmos(connectionString, databaseName, cosmosOptionsAction);
                 });
-        }
 
         /// <summary>
         ///     <para>
@@ -106,8 +100,6 @@ public static IServiceCollection AddCosmos<TContext>(
         [EditorBrowsable(EditorBrowsableState.Never)]
         public static IServiceCollection AddEntityFrameworkCosmos(this IServiceCollection serviceCollection)
         {
-            Check.NotNull(serviceCollection, nameof(serviceCollection));
-
             var builder = new EntityFrameworkServicesBuilder(serviceCollection)
                 .TryAdd<LoggingDefinitions, CosmosLoggingDefinitions>()
                 .TryAdd<IDatabaseProvider, DatabaseProvider<CosmosOptionsExtension>>()

diff --git a/src/EFCore.Cosmos/Infrastructure/CosmosDbContextOptionsBuilder.cs b/src/EFCore.Cosmos/Infrastructure/CosmosDbContextOptionsBuilder.cs
@@ -40,8 +40,6 @@ public class CosmosDbContextOptionsBuilder : ICosmosDbContextOptionsBuilderInfra
         /// <param name="optionsBuilder">The options builder.</param>
         public CosmosDbContextOptionsBuilder(DbContextOptionsBuilder optionsBuilder)
         {
-            Check.NotNull(optionsBuilder, nameof(optionsBuilder));
-
             _optionsBuilder = optionsBuilder;
         }
 

diff --git a/src/EFCore.Cosmos/Infrastructure/Internal/CosmosDbOptionExtension.cs b/src/EFCore.Cosmos/Infrastructure/Internal/CosmosDbOptionExtension.cs
@@ -11,7 +11,6 @@
 using Microsoft.EntityFrameworkCore.Cosmos.Internal;
 using Microsoft.EntityFrameworkCore.Infrastructure;
 using Microsoft.EntityFrameworkCore.Storage;
-using Microsoft.EntityFrameworkCore.Utilities;
 using Microsoft.Extensions.DependencyInjection;
 
 namespace Microsoft.EntityFrameworkCore.Cosmos.Infrastructure.Internal
@@ -614,8 +613,6 @@ public override bool ShouldUseSameServiceProvider(DbContextOptionsExtensionInfo
 
             public override void PopulateDebugInfo(IDictionary<string, string> debugInfo)
             {
-                Check.NotNull(debugInfo, nameof(debugInfo));
-
                 if (!string.IsNullOrEmpty(Extension._connectionString))
                 {
                     debugInfo["Cosmos:" + nameof(ConnectionString)] =

diff --git a/src/EFCore.Cosmos/Metadata/Conventions/ContextContainerConvention.cs b/src/EFCore.Cosmos/Metadata/Conventions/ContextContainerConvention.cs
@@ -3,7 +3,6 @@
 
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 using Microsoft.EntityFrameworkCore.Metadata.Conventions.Infrastructure;
-using Microsoft.EntityFrameworkCore.Utilities;
 
 namespace Microsoft.EntityFrameworkCore.Metadata.Conventions
 {
@@ -38,11 +37,6 @@ public ContextContainerConvention(ProviderConventionSetBuilderDependencies depen
         public virtual void ProcessModelInitialized(
             IConventionModelBuilder modelBuilder,
             IConventionContext<IConventionModelBuilder> context)
-        {
-            Check.NotNull(modelBuilder, nameof(modelBuilder));
-            Check.NotNull(context, nameof(context));
-
-            modelBuilder.HasDefaultContainer(Dependencies.ContextType.Name);
-        }
+            => modelBuilder.HasDefaultContainer(Dependencies.ContextType.Name);
     }
 }
diff --git a/src/EFCore.Cosmos/Metadata/Conventions/CosmosKeyDiscoveryConvention.cs b/src/EFCore.Cosmos/Metadata/Conventions/CosmosKeyDiscoveryConvention.cs
@@ -5,7 +5,6 @@
 using Microsoft.EntityFrameworkCore.Cosmos.Metadata.Internal;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 using Microsoft.EntityFrameworkCore.Metadata.Conventions.Infrastructure;
-using Microsoft.EntityFrameworkCore.Utilities;
 
 namespace Microsoft.EntityFrameworkCore.Metadata.Conventions
 {
@@ -45,10 +44,6 @@ public virtual void ProcessEntityTypeAnnotationChanged(
             IConventionAnnotation? oldAnnotation,
             IConventionContext<IConventionAnnotation> context)
         {
-            Check.NotNull(entityTypeBuilder, nameof(entityTypeBuilder));
-            Check.NotEmpty(name, nameof(name));
-            Check.NotNull(context, nameof(context));
-
             if (name == CosmosAnnotationNames.PartitionKeyName)
             {
                 TryConfigurePrimaryKey(entityTypeBuilder);

diff --git a/src/EFCore.Cosmos/Metadata/Conventions/CosmosManyToManyJoinEntityTypeConvention.cs b/src/EFCore.Cosmos/Metadata/Conventions/CosmosManyToManyJoinEntityTypeConvention.cs
@@ -6,7 +6,6 @@
 using Microsoft.EntityFrameworkCore.Cosmos.Metadata.Internal;
 using Microsoft.EntityFrameworkCore.Metadata.Builders;
 using Microsoft.EntityFrameworkCore.Metadata.Conventions.Infrastructure;
-using Microsoft.EntityFrameworkCore.Utilities;
 
 namespace Microsoft.EntityFrameworkCore.Metadata.Conventions
 {
@@ -46,10 +45,6 @@ public virtual void ProcessEntityTypeAnnotationChanged(
             IConventionAnnotation? oldAnnotation,
             IConventionContext<IConventionAnnotation> context)
         {
-            Check.NotNull(entityTypeBuilder, nameof(entityTypeBuilder));
-            Check.NotEmpty(name, nameof(name));
-            Check.NotNull(context, nameof(context));
-
             if (name == CosmosAnnotationNames.PartitionKeyName
                 || name == CosmosAnnotationNames.ContainerName)
             {

diff --git a/src/EFCore.Cosmos/Query/Internal/CosmosDateTimeMemberTranslator.cs b/src/EFCore.Cosmos/Query/Internal/CosmosDateTimeMemberTranslator.cs
@@ -4,7 +4,6 @@
 using System;
 using System.Reflection;
 using Microsoft.EntityFrameworkCore.Diagnostics;
-using Microsoft.EntityFrameworkCore.Utilities;
 
 namespace Microsoft.EntityFrameworkCore.Cosmos.Query.Internal
 {
@@ -41,10 +40,6 @@ public CosmosDateTimeMemberTranslator(ISqlExpressionFactory sqlExpressionFactory
             Type returnType,
             IDiagnosticsLogger<DbLoggerCategory.Query> logger)
         {
-            Check.NotNull(member, nameof(member));
-            Check.NotNull(returnType, nameof(returnType));
-            Check.NotNull(logger, nameof(logger));
-
             var declaringType = member.DeclaringType;
             if ((declaringType == typeof(DateTime)
                     || declaringType == typeof(DateTimeOffset))