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Fix for 11410. Updating ModelBuilder APIs to use GetMemberAccess() #20726

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Apr 25, 2020
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Original file line number Diff line number Diff line change
Expand Up @@ -209,7 +209,7 @@ public static EntityTypeBuilder<TEntity> HasPartitionKey<TEntity, TProperty>(
{
Check.NotNull(propertyExpression, nameof(propertyExpression));

entityTypeBuilder.Metadata.SetPartitionKeyPropertyName(propertyExpression.GetPropertyAccess().GetSimpleMemberName());
entityTypeBuilder.Metadata.SetPartitionKeyPropertyName(propertyExpression.GetMemberAccess().GetSimpleMemberName());

return entityTypeBuilder;
}
Expand Down
2 changes: 1 addition & 1 deletion src/EFCore.Relational/Migrations/MigrationBuilder.cs
Original file line number Diff line number Diff line change
Expand Up @@ -755,7 +755,7 @@ public virtual CreateTableBuilder<TColumns> CreateTable<TColumns>(

var columnsBuilder = new ColumnsBuilder(createTableOperation);
var columnsObject = columns(columnsBuilder);
var columnMap = new Dictionary<PropertyInfo, AddColumnOperation>();
var columnMap = new Dictionary<MemberInfo, AddColumnOperation>();
foreach (var property in typeof(TColumns).GetTypeInfo().DeclaredProperties)
{
var addColumnOperation = ((IInfrastructure<AddColumnOperation>)property.GetMethod.Invoke(columnsObject, null)).Instance;
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@ namespace Microsoft.EntityFrameworkCore.Migrations.Operations.Builders
/// <typeparam name="TColumns"> Type of a typically anonymous type for building columns. </typeparam>
public class CreateTableBuilder<TColumns> : OperationBuilder<CreateTableOperation>
{
private readonly IReadOnlyDictionary<PropertyInfo, AddColumnOperation> _columnMap;
private readonly IReadOnlyDictionary<MemberInfo, AddColumnOperation> _columnMap;

/// <summary>
/// Constructs a new builder for the given <see cref="CreateTableOperation" /> and
Expand All @@ -28,7 +28,7 @@ public class CreateTableBuilder<TColumns> : OperationBuilder<CreateTableOperatio
/// <param name="columnMap"> The map of CLR properties to <see cref="AddColumnOperation" />s. </param>
public CreateTableBuilder(
[NotNull] CreateTableOperation operation,
[NotNull] IReadOnlyDictionary<PropertyInfo, AddColumnOperation> columnMap)
[NotNull] IReadOnlyDictionary<MemberInfo, AddColumnOperation> columnMap)
: base(operation)
{
Check.NotNull(columnMap, nameof(columnMap));
Expand Down Expand Up @@ -191,6 +191,6 @@ public virtual OperationBuilder<CreateCheckConstraintOperation> CheckConstraint(
=> (CreateTableBuilder<TColumns>)base.Annotation(name, value);

private string[] Map(LambdaExpression columns)
=> columns.GetPropertyAccessList().Select(c => _columnMap[c].Name).ToArray();
=> columns.GetMemberAccessList().Select(c => _columnMap[c].Name).ToArray();
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -126,7 +126,7 @@ public static IndexBuilder<TEntity> IncludeProperties<TEntity>(

IncludeProperties(
indexBuilder,
includeExpression.GetPropertyAccessList().Select(MemberInfoExtensions.GetSimpleMemberName).ToArray());
includeExpression.GetMemberAccessList().Select(MemberInfoExtensions.GetSimpleMemberName).ToArray());

return indexBuilder;
}
Expand Down
6 changes: 3 additions & 3 deletions src/EFCore/ChangeTracking/EntityEntry`.cs
Original file line number Diff line number Diff line change
Expand Up @@ -58,7 +58,7 @@ public virtual PropertyEntry<TEntity, TProperty> Property<TProperty>(
{
Check.NotNull(propertyExpression, nameof(propertyExpression));

return new PropertyEntry<TEntity, TProperty>(InternalEntry, propertyExpression.GetPropertyAccess().GetSimpleMemberName());
return new PropertyEntry<TEntity, TProperty>(InternalEntry, propertyExpression.GetMemberAccess().GetSimpleMemberName());
}

/// <summary>
Expand All @@ -79,7 +79,7 @@ public virtual ReferenceEntry<TEntity, TProperty> Reference<TProperty>(
{
Check.NotNull(propertyExpression, nameof(propertyExpression));

return new ReferenceEntry<TEntity, TProperty>(InternalEntry, propertyExpression.GetPropertyAccess().GetSimpleMemberName());
return new ReferenceEntry<TEntity, TProperty>(InternalEntry, propertyExpression.GetMemberAccess().GetSimpleMemberName());
}

/// <summary>
Expand All @@ -100,7 +100,7 @@ public virtual CollectionEntry<TEntity, TProperty> Collection<TProperty>(
{
Check.NotNull(propertyExpression, nameof(propertyExpression));

return new CollectionEntry<TEntity, TProperty>(InternalEntry, propertyExpression.GetPropertyAccess().GetSimpleMemberName());
return new CollectionEntry<TEntity, TProperty>(InternalEntry, propertyExpression.GetMemberAccess().GetSimpleMemberName());
}

/// <summary>
Expand Down
45 changes: 24 additions & 21 deletions src/EFCore/Extensions/Internal/ExpressionExtensions.cs
Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,6 @@ namespace Microsoft.EntityFrameworkCore.Internal
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
[DebuggerStepThrough]
public static class ExpressionExtensions
{
/// <summary>
Expand All @@ -38,28 +37,30 @@ public static bool IsNullConstantExpression([NotNull] this Expression expression
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public static IReadOnlyList<PropertyInfo> MatchPropertyAccessList(
[NotNull] this LambdaExpression lambdaExpression, [NotNull] Func<Expression, Expression, PropertyInfo> propertyMatcher)
public static IReadOnlyList<TMemberInfo> MatchMemberAccessList<TMemberInfo>(
[NotNull] this LambdaExpression lambdaExpression, [NotNull] Func<Expression, Expression, TMemberInfo> memberMatcher)
where TMemberInfo : MemberInfo
{
Check.DebugAssert(lambdaExpression.Body != null, "lambdaExpression.Body is null");
Check.DebugAssert(lambdaExpression.Parameters.Count == 1, "lambdaExpression.Parameters.Count is " + lambdaExpression.Parameters.Count + ". Should be 1.");

var parameterExpression = lambdaExpression.Parameters.Single();
var parameterExpression = lambdaExpression.Parameters[0];

if (RemoveConvert(lambdaExpression.Body) is NewExpression newExpression)
{
var propertyInfos
var memberInfos
= newExpression
.Arguments
.Select(a => propertyMatcher(a, parameterExpression))
.Select(a => memberMatcher(a, parameterExpression))
.Where(p => p != null)
.ToList();

return propertyInfos.Count != newExpression.Arguments.Count ? null : propertyInfos;
return memberInfos.Count != newExpression.Arguments.Count ? null : memberInfos;
}

var propertyPath = propertyMatcher(lambdaExpression.Body, parameterExpression);
var memberPath = memberMatcher(lambdaExpression.Body, parameterExpression);

return propertyPath != null ? new[] { propertyPath } : null;
return memberPath != null ? new[] { memberPath } : null;
}

/// <summary>
Expand All @@ -68,37 +69,39 @@ var propertyInfos
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public static PropertyInfo MatchSimplePropertyAccess(
[NotNull] this Expression parameterExpression, [NotNull] Expression propertyAccessExpression)
public static TMemberInfo MatchSimpleMemberAccess<TMemberInfo>(
[NotNull] this Expression parameterExpression, [NotNull] Expression memberAccessExpression)
where TMemberInfo : MemberInfo
{
var propertyInfos = MatchPropertyAccess(parameterExpression, propertyAccessExpression);
var memberInfos = MatchMemberAccess<TMemberInfo>(parameterExpression, memberAccessExpression);

return propertyInfos?.Count == 1 ? propertyInfos[0] : null;
return memberInfos?.Count == 1 ? memberInfos[0] as TMemberInfo : null;
}

private static IReadOnlyList<PropertyInfo> MatchPropertyAccess(
this Expression parameterExpression, Expression propertyAccessExpression)
private static IReadOnlyList<TMemberInfo> MatchMemberAccess<TMemberInfo>(
this Expression parameterExpression, Expression memberAccessExpression)
where TMemberInfo : MemberInfo
{
var propertyInfos = new List<PropertyInfo>();
var memberInfos = new List<TMemberInfo>();

MemberExpression memberExpression;

do
{
memberExpression = RemoveTypeAs(RemoveConvert(propertyAccessExpression)) as MemberExpression;
memberExpression = RemoveTypeAs(RemoveConvert(memberAccessExpression)) as MemberExpression;

if (!(memberExpression?.Member is PropertyInfo propertyInfo))
if (!(memberExpression?.Member is TMemberInfo memberInfo))
{
return null;
}

propertyInfos.Insert(0, propertyInfo);
memberInfos.Insert(0, memberInfo);

propertyAccessExpression = memberExpression.Expression;
memberAccessExpression = memberExpression.Expression;
}
while (RemoveTypeAs(RemoveConvert(memberExpression.Expression)) != parameterExpression);

return propertyInfos;
return memberInfos;
}

/// <summary>
Expand Down
82 changes: 65 additions & 17 deletions src/EFCore/Infrastructure/ExpressionExtensions.cs
Original file line number Diff line number Diff line change
Expand Up @@ -149,28 +149,46 @@ public static bool TryGetIndexerArguments(
/// <param name="propertyAccessExpression"> The expression. </param>
/// <returns> The <see cref="PropertyInfo" />. </returns>
public static PropertyInfo GetPropertyAccess([NotNull] this LambdaExpression propertyAccessExpression)
=> GetInternalMemberAccess<PropertyInfo>(propertyAccessExpression);

/// <summary>
/// <para>
/// Gets the <see cref="MemberInfo" /> represented by a simple member-access expression.
/// </para>
/// <para>
/// This method is typically used to parse member access lambdas from fluent APIs.
/// </para>
/// </summary>
/// <param name="memberAccessExpression"> The expression. </param>
/// <returns> The <see cref="MemberInfo" />. </returns>
public static MemberInfo GetMemberAccess([NotNull] this LambdaExpression memberAccessExpression)
=> GetInternalMemberAccess<MemberInfo>(memberAccessExpression);

private static TMemberInfo GetInternalMemberAccess<TMemberInfo>([NotNull] this LambdaExpression memberAccessExpression)
where TMemberInfo : MemberInfo
{
Check.DebugAssert(
propertyAccessExpression.Parameters.Count == 1,
$"Parameters.Count is {propertyAccessExpression.Parameters.Count}");
memberAccessExpression.Parameters.Count == 1,
$"Parameters.Count is {memberAccessExpression.Parameters.Count}");

var parameterExpression = propertyAccessExpression.Parameters.Single();
var propertyInfo = parameterExpression.MatchSimplePropertyAccess(propertyAccessExpression.Body);
var parameterExpression = memberAccessExpression.Parameters[0];
var memberInfo = parameterExpression.MatchSimpleMemberAccess<TMemberInfo>(memberAccessExpression.Body);

if (propertyInfo == null)
if (memberInfo == null)
{
throw new ArgumentException(
CoreStrings.InvalidPropertyExpression(propertyAccessExpression),
nameof(propertyAccessExpression));
CoreStrings.InvalidMemberExpression(memberAccessExpression),
nameof(memberAccessExpression));
}

var declaringType = propertyInfo.DeclaringType;
var declaringType = memberInfo.DeclaringType;
var parameterType = parameterExpression.Type;

if (declaringType != null
&& declaringType != parameterType
&& declaringType.IsInterface
&& declaringType.IsAssignableFrom(parameterType))
&& declaringType.IsAssignableFrom(parameterType)
&& memberInfo is PropertyInfo propertyInfo)
{
var propertyGetter = propertyInfo.GetMethod;
var interfaceMapping = parameterType.GetTypeInfo().GetRuntimeInterfaceMap(declaringType);
Expand All @@ -180,12 +198,12 @@ public static PropertyInfo GetPropertyAccess([NotNull] this LambdaExpression pro
{
if (targetMethod.Equals(runtimeProperty.GetMethod))
{
return runtimeProperty;
return runtimeProperty as TMemberInfo;
}
}
}

return propertyInfo;
return memberInfo;
}

/// <summary>
Expand All @@ -195,8 +213,6 @@ public static PropertyInfo GetPropertyAccess([NotNull] this LambdaExpression pro
/// </para>
/// <para>
/// Only simple expressions are supported, such as those used to reference a property.
/// This type is typically used by database providers (and other extensions). It is generally
/// not used in application code.
/// </para>
/// <para>
/// This method is typically used by database providers (and other extensions). It is generally
Expand All @@ -212,23 +228,55 @@ public static IReadOnlyList<PropertyInfo> GetPropertyAccessList([NotNull] this L
if (propertyAccessExpression.Parameters.Count != 1)
{
throw new ArgumentException(
CoreStrings.InvalidPropertiesExpression(propertyAccessExpression),
CoreStrings.InvalidMembersExpression(propertyAccessExpression),
nameof(propertyAccessExpression));
}

var propertyPaths
= propertyAccessExpression.MatchPropertyAccessList((p, e) => e.MatchSimplePropertyAccess(p));
var propertyPaths = propertyAccessExpression
.MatchMemberAccessList((p, e) => e.MatchSimpleMemberAccess<PropertyInfo>(p));

if (propertyPaths == null)
{
throw new ArgumentException(
CoreStrings.InvalidPropertiesExpression(propertyAccessExpression),
CoreStrings.InvalidMembersExpression(propertyAccessExpression),
nameof(propertyAccessExpression));
}

return propertyPaths;
}

/// <summary>
/// <para>
/// Returns a list of <see cref="MemberInfo" /> extracted from the given simple
/// <see cref="LambdaExpression" />.
/// </para>
/// <para>
/// Only simple expressions are supported, such as those used to reference a member.
/// </para>
/// <para>
/// This method is typically used by database providers (and other extensions). It is generally
/// not used in application code.
/// </para>
/// </summary>
/// <param name="memberAccessExpression"> The expression. </param>
/// <returns> The list of referenced members. </returns>
public static IReadOnlyList<MemberInfo> GetMemberAccessList([NotNull] this LambdaExpression memberAccessExpression)
{
Check.NotNull(memberAccessExpression, nameof(memberAccessExpression));

var memberPaths = memberAccessExpression
.MatchMemberAccessList((p, e) => e.MatchSimpleMemberAccess<MemberInfo>(p));

if (memberPaths == null)
{
throw new ArgumentException(
CoreStrings.InvalidMembersExpression(memberAccessExpression),
nameof(memberAccessExpression));
}

return memberPaths;
}

/// <summary>
/// <para>
/// Creates an <see cref="Expression" /> tree representing reading a value from a <see cref="ValueBuffer" />
Expand Down
6 changes: 3 additions & 3 deletions src/EFCore/Metadata/Builders/CollectionNavigationBuilder`.cs
Original file line number Diff line number Diff line change
Expand Up @@ -83,7 +83,7 @@ public virtual ReferenceCollectionBuilder<TEntity, TRelatedEntity> WithOne(
=> new ReferenceCollectionBuilder<TEntity, TRelatedEntity>(
DeclaringEntityType,
RelatedEntityType,
WithOneBuilder(navigationExpression?.GetPropertyAccess()).Metadata);
WithOneBuilder(navigationExpression?.GetMemberAccess()).Metadata);

/// <summary>
/// Configures this as a many-to-many relationship.
Expand Down Expand Up @@ -129,8 +129,8 @@ public virtual CollectionCollectionBuilder<TRelatedEntity, TEntity> WithMany(
return new CollectionCollectionBuilder<TRelatedEntity, TEntity>(
RelatedEntityType,
DeclaringEntityType,
WithLeftManyNavigation(navigationExpression.GetPropertyAccess()),
WithRightManyNavigation(navigationExpression.GetPropertyAccess(), leftName));
WithLeftManyNavigation(navigationExpression.GetMemberAccess()),
WithRightManyNavigation(navigationExpression.GetMemberAccess(), leftName));
}
}
}
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