/// <summary>
/// Initializes a new instance of the <see cref="InternalNestedPropertyEntry" /> class.
/// </summary>
/// <param name="parentPropertyEntry"> The parent property entry. </param>
/// <param name="propertyMetadata"> The property metadata. </param>
public InternalNestedPropertyEntry(
InternalPropertyEntry parentPropertyEntry, PropertyEntryMetadata propertyMetadata)
: base(parentPropertyEntry.InternalEntityEntry, propertyMetadata)
{
Contract.Requires(parentPropertyEntry != null);
_parentPropertyEntry = parentPropertyEntry;
}
/// <summary>
/// Initializes a new instance of the <see cref="InternalNestedPropertyEntry" /> class.
/// </summary>
/// <param name="parentPropertyEntry"> The parent property entry. </param>
/// <param name="propertyMetadata"> The property metadata. </param>
public InternalNestedPropertyEntry(
InternalPropertyEntry parentPropertyEntry, PropertyEntryMetadata propertyMetadata)
: base(parentPropertyEntry.InternalEntityEntry, propertyMetadata)
{
DebugCheck.NotNull(parentPropertyEntry);
_parentPropertyEntry = parentPropertyEntry;
}
// <summary>
// Creates a new <see cref="InternalMemberEntry" /> the runtime type of which will be
// determined by the metadata.
// </summary>
// <param name="internalEntityEntry"> The entity entry to which the member belongs. </param>
// <param name="parentPropertyEntry"> The parent property entry which will always be null for navigation entries. </param>
// <returns> The new entry. </returns>
public override InternalMemberEntry CreateMemberEntry(
InternalEntityEntry internalEntityEntry, InternalPropertyEntry parentPropertyEntry)
{
Debug.Assert(parentPropertyEntry == null, "Navigation entries cannot be nested; parentPropertyEntry must be null.");
return _isCollection
? (InternalMemberEntry)new InternalCollectionEntry(internalEntityEntry, this)
: new InternalReferenceEntry(internalEntityEntry, this);
}
/// <summary>
/// Validates type properties. Any validation errors will be added to <paramref name = "validationErrors" />
/// collection.
/// </summary>
/// <param name = "entityValidationContext">
/// Validation context. Must not be null.
/// </param>
/// <param name = "validationErrors">
/// Collection of validation errors. Any validation errors will be added to it.
/// </param>
/// <param name = "parentProperty">The entry for the complex property. Null if validating an entity.</param>
/// <remarks>
/// Note that <paramref name = "validationErrors" /> will be modified by this method. Errors should be only added,
/// never removed or changed. Taking a collection as a modifiable parameter saves a couple of memory allocations
/// and a merge of validation error lists per entity.
/// </remarks>
protected override void ValidateProperties(
EntityValidationContext entityValidationContext, InternalPropertyEntry parentProperty,
List<DbValidationError> validationErrors)
{
var entityEntry = entityValidationContext.InternalEntity;
foreach (var validator in PropertyValidators)
{
validationErrors.AddRange(
validator.Validate(entityValidationContext, entityEntry.Member(validator.PropertyName)));
}
}
/// <summary>
/// Validates type properties. Any validation errors will be added to <paramref name = "validationErrors" />
/// collection.
/// </summary>
/// <param name = "entityValidationContext">
/// Validation context. Must not be null.
/// </param>
/// <param name = "validationErrors">
/// Collection of validation errors. Any validation errors will be added to it.
/// </param>
/// <param name = "parentProperty">The entry for the complex property. Null if validating an entity.</param>
/// <remarks>
/// Note that <paramref name = "validationErrors" /> will be modified by this method. Errors should be only added,
/// never removed or changed. Taking a collection as a modifiable parameter saves a couple of memory allocations
/// and a merge of validation error lists per entity.
/// </remarks>
protected override void ValidateProperties(
EntityValidationContext entityValidationContext, InternalPropertyEntry parentProperty,
List<DbValidationError> validationErrors)
{
Contract.Assert(parentProperty.EntryMetadata.IsComplex, "A complex type expected.");
Contract.Assert(parentProperty.CurrentValue != null);
foreach (var validator in PropertyValidators)
{
var complexProperty = parentProperty.Property(validator.PropertyName);
validationErrors.AddRange(validator.Validate(entityValidationContext, complexProperty));
}
}
/// <summary>
/// Validates an instance.
/// </summary>
/// <param name = "entityValidationContext">Entity validation context. Must not be null.</param>
/// <param name = "property">The entry for the complex property. Null if validating an entity.</param>
/// <returns><see cref = "DbEntityValidationResult" /> instance. Never null.</returns>
/// <remarks>
/// Protected so it doesn't appear on EntityValidator.
/// </remarks>
protected IEnumerable<DbValidationError> Validate(
EntityValidationContext entityValidationContext, InternalPropertyEntry property)
{
var validationErrors = new List<DbValidationError>();
ValidateProperties(entityValidationContext, property, validationErrors);
// only run type level validation if all properties were validated successfully
if (!validationErrors.Any())
{
foreach (var typeLevelValidator in _typeLevelValidators)
{
validationErrors.AddRange(typeLevelValidator.Validate(entityValidationContext, property));
}
}
return validationErrors;
}
/// <summary>
/// Validates type properties. Any validation errors will be added to <paramref name = "validationErrors" />
/// collection.
/// </summary>
/// <param name = "entityValidationContext">
/// Validation context. Must not be null.
/// </param>
/// <param name = "validationErrors">
/// Collection of validation errors. Any validation errors will be added to it.
/// </param>
/// <param name = "parentProperty">The entry for the complex property. Null if validating an entity.</param>
/// <remarks>
/// Note that <paramref name = "validationErrors" /> will be modified by this method. Errors should be only added,
/// never removed or changed. Taking a collection as a modifiable parameter saves a couple of memory allocations
/// and a merge of validation error lists per entity.
/// </remarks>
protected abstract void ValidateProperties(
EntityValidationContext entityValidationContext, InternalPropertyEntry parentProperty,
List<DbValidationError> validationErrors);
protected override void ValidateProperties(
EntityValidationContext entityValidationContext, InternalPropertyEntry parentProperty,
List<DbValidationError> validationErrors)
{
//Contract.Requires(entityValidationContext != null);
//Contract.Requires(validationErrors != null);
}
/// <summary>
/// Creates a new <see cref = "InternalMemberEntry" /> the runtime type of which will be
/// determined by the metadata.
/// </summary>
/// <param name = "internalEntityEntry">The entity entry to which the member belongs.</param>
/// <param name = "parentPropertyEntry">The parent property entry if the new entry is nested, otherwise null.</param>
/// <returns>The new entry.</returns>
public override InternalMemberEntry CreateMemberEntry(
InternalEntityEntry internalEntityEntry, InternalPropertyEntry parentPropertyEntry)
{
return parentPropertyEntry == null
? (InternalMemberEntry)new InternalEntityPropertyEntry(internalEntityEntry, this)
: new InternalNestedPropertyEntry(parentPropertyEntry, this);
}
/// <summary>
/// Gets an internal object representing a scalar or complex property.
/// The property may be a nested property on the given <see cref = "InternalPropertyEntry" />.
/// </summary>
/// <param name = "parentProperty">The parent property entry, or null if this is a property directly on the entity.</param>
/// <param name = "propertyName">Name of the property.</param>
/// <param name = "properties">The property split out into its parts.</param>
/// <param name = "requestedType">The type of object requested, which may be null or 'object' if any type can be accepted.</param>
/// <param name = "requireComplex">if set to <c>true</c> then the found property must be a complex property.</param>
/// <returns>The entry.</returns>
private InternalPropertyEntry Property(
InternalPropertyEntry parentProperty, string propertyName, IList<string> properties, Type requestedType,
bool requireComplex)
{
var isDotted = properties.Count > 1;
var currentRequestedType = isDotted ? typeof(object) : requestedType;
var declaringType = parentProperty != null ? parentProperty.EntryMetadata.ElementType : EntityType;
var propertyMetadata = ValidateAndGetPropertyMetadata(properties[0], declaringType, currentRequestedType);
if (propertyMetadata == null
|| ((isDotted || requireComplex) && !propertyMetadata.IsComplex))
{
if (isDotted)
{
throw Error.DbEntityEntry_DottedPartNotComplex(properties[0], propertyName, declaringType.Name);
}
throw requireComplex
? Error.DbEntityEntry_NotAComplexProperty(properties[0], declaringType.Name)
: Error.DbEntityEntry_NotAScalarProperty(properties[0], declaringType.Name);
}
var internalPropertyEntry = (InternalPropertyEntry)propertyMetadata.CreateMemberEntry(this, parentProperty);
return isDotted
? Property(
internalPropertyEntry, propertyName, properties.Skip(1).ToList(), requestedType,
requireComplex)
: internalPropertyEntry;
}
/// <summary>
/// Gets an internal object representing a scalar or complex property.
/// The property may be a nested property on the given <see cref = "InternalPropertyEntry" />.
/// </summary>
/// <param name = "parentProperty">The parent property entry, or null if this is a property directly on the entity.</param>
/// <param name = "propertyName">Name of the property.</param>
/// <param name = "requestedType">The type of object requested, which may be null or 'object' if any type can be accepted.</param>
/// <param name = "requireComplex">if set to <c>true</c> then the found property must be a complex property.</param>
/// <returns>The entry.</returns>
public InternalPropertyEntry Property(
InternalPropertyEntry parentProperty, string propertyName, Type requestedType, bool requireComplex)
{
return Property(parentProperty, propertyName, SplitName(propertyName), requestedType, requireComplex);
}
/// <summary>
/// Validates an instance.
/// </summary>
/// <param name = "entityValidationContext">Entity validation context. Must not be null.</param>
/// <param name = "property">The entry for the complex property. Null if validating an entity.</param>
/// <returns><see cref = "DbEntityValidationResult" /> instance. Never null.</returns>
public new IEnumerable<DbValidationError> Validate(
EntityValidationContext entityValidationContext, InternalPropertyEntry property)
{
return base.Validate(entityValidationContext, property);
}
/// <summary>
/// Creates a new <see cref = "InternalMemberEntry" /> the runtime type of which will be
/// determined by the metadata.
/// </summary>
/// <param name = "internalEntityEntry">The entity entry to which the member belongs.</param>
/// <param name = "parentPropertyEntry">The parent property entry if the new entry is nested, otherwise null.</param>
/// <returns>The new entry.</returns>
public abstract InternalMemberEntry CreateMemberEntry(
InternalEntityEntry internalEntityEntry, InternalPropertyEntry parentPropertyEntry);
