/// <summary>
/// Finds the binding for the given navigation property.
/// </summary>
/// <param name="autoCreate">Tells whether the binding should be auto created if it does not exist.</param>
/// <param name="navigationConfiguration">The navigation property.</param>
/// <returns>The <see cref="NavigationPropertyBindingConfiguration"/> so that it can be further configured.</returns>
public virtual NavigationPropertyBindingConfiguration FindBinding(NavigationPropertyConfiguration navigationConfiguration,
bool autoCreate)
{
if (navigationConfiguration == null)
{
throw Error.ArgumentNull("navigationConfiguration");
}
NavigationPropertyBindingConfiguration bindingConfiguration;
if (_navigationPropertyBindings.TryGetValue(navigationConfiguration, out bindingConfiguration))
{
return(bindingConfiguration);
}
if (!autoCreate)
{
return(null);
}
bool hasSingletonAttribute = navigationConfiguration.PropertyInfo.GetCustomAttributes <SingletonAttribute>().Any();
Type entityType = navigationConfiguration.RelatedClrType;
INavigationSourceConfiguration[] matchedNavigationSources;
if (hasSingletonAttribute)
{
matchedNavigationSources = _modelBuilder.Singletons.Where(es => es.EntityType.ClrType == entityType).ToArray();
}
else
{
matchedNavigationSources = _modelBuilder.EntitySets.Where(es => es.EntityType.ClrType == entityType).ToArray();
}
if (matchedNavigationSources.Length == 1)
{
return(AddBinding(navigationConfiguration, matchedNavigationSources[0]));
}
else if (matchedNavigationSources.Length == 0)
{
return(null);
}
else
{
throw Error.NotSupported(
SRResources.CannotAutoCreateMultipleCandidates,
navigationConfiguration.Name,
navigationConfiguration.DeclaringEntityType.FullName,
Name,
String.Join(", ", matchedNavigationSources.Select(s => s.Name)));
}
}
private NavigationPropertyConfiguration AddNavigationProperty(PropertyInfo navigationProperty, EdmMultiplicity multiplicity, bool containsTarget)
{
if (navigationProperty == null)
{
throw Error.ArgumentNull("navigationProperty");
}
if (!navigationProperty.DeclaringType.IsAssignableFrom(ClrType))
{
throw Error.Argument("navigationProperty", SRResources.PropertyDoesNotBelongToType, navigationProperty.Name, ClrType.FullName);
}
ValidatePropertyNotAlreadyDefinedInBaseTypes(navigationProperty);
ValidatePropertyNotAlreadyDefinedInDerivedTypes(navigationProperty);
PropertyConfiguration propertyConfig;
NavigationPropertyConfiguration navigationPropertyConfig;
if (ExplicitProperties.ContainsKey(navigationProperty))
{
propertyConfig = ExplicitProperties[navigationProperty];
if (propertyConfig.Kind != PropertyKind.Navigation)
{
throw Error.Argument("navigationProperty", SRResources.MustBeNavigationProperty, navigationProperty.Name, ClrType.FullName);
}
navigationPropertyConfig = propertyConfig as NavigationPropertyConfiguration;
if (navigationPropertyConfig.Multiplicity != multiplicity)
{
throw Error.Argument("navigationProperty", SRResources.MustHaveMatchingMultiplicity, navigationProperty.Name, multiplicity);
}
}
else
{
navigationPropertyConfig = new NavigationPropertyConfiguration(
navigationProperty,
multiplicity,
this);
if (containsTarget)
{
navigationPropertyConfig = navigationPropertyConfig.Contained();
}
ExplicitProperties[navigationProperty] = navigationPropertyConfig;
// make sure the related type is configured
ModelBuilder.AddEntityType(navigationPropertyConfig.RelatedClrType);
}
return(navigationPropertyConfig);
}
private void VerifyBindingPath(NavigationPropertyConfiguration navigationConfiguration, IList <object> bindingPath)
{
Contract.Assert(navigationConfiguration != null);
Contract.Assert(bindingPath != null);
PropertyInfo navigation = bindingPath.Last() as PropertyInfo;
if (navigation == null || navigation != navigationConfiguration.PropertyInfo)
{
throw Error.Argument("navigationConfiguration", "TODO: " /*SRResources.NavigationPropertyBindingPathIsNotValid,
* bindingPath.ConvertBindingPath(), navigationConfiguration.Name*/);
}
bindingPath.Aggregate(EntityType.ClrType, VerifyBindingSegment);
}
public void HasNavigationPropertyLink(NavigationPropertyConfiguration navigationProperty,
Func <ResourceContext <TEntityType>, IEdmNavigationProperty, Uri> navigationLinkFactory, bool followsConventions)
{
if (navigationProperty == null)
{
throw Error.ArgumentNull("navigationProperty");
}
if (navigationLinkFactory == null)
{
throw Error.ArgumentNull("navigationLinkFactory");
}
_configuration.HasNavigationPropertyLink(navigationProperty, new NavigationLinkBuilder((context, property) =>
navigationLinkFactory(UpCastEntityContext(context), property), followsConventions));
}
private void DoIt(NavigationPropertyConfiguration navProp, EdmEntityType type)
{
foreach (var dependentProperty in navProp.DependentProperties)
{
if (dependentProperty.GetConfiguration(_configurations).IsIgnored)
{
navProp.IsIgnored = true;
return;
}
}
if (navProp.IsIgnored)
{
return;
}
EdmNavigationPropertyInfo info = new EdmNavigationPropertyInfo
{
Name = navProp.Name,
TargetMultiplicity = navProp.Multiplicity,
Target = GetEdmType(navProp.RelatedClrType) as IEdmEntityType,
ContainsTarget = navProp.ContainsTarget,
OnDelete = navProp.OnDeleteAction
};
// Principal properties
if (navProp.PrincipalProperties.Any())
{
info.PrincipalProperties = GetDeclaringPropertyInfo(navProp.PrincipalProperties);
}
// Dependent properties
if (navProp.DependentProperties.Any())
{
info.DependentProperties = GetDeclaringPropertyInfo(navProp.DependentProperties);
}
IEdmProperty edmProperty = type.AddUnidirectionalNavigation(info);
if (navProp.PropertyInfo != null && edmProperty != null)
{
_properties[navProp.PropertyInfo] = edmProperty;
}
if (edmProperty != null && navProp.IsRestricted)
{
_propertiesRestrictions[edmProperty] = new QueryableRestrictions(navProp);
}
}
public NavigationPropertyConfiguration HasRequired <TTargetEntity>(
Expression <Func <TStructuralType, TTargetEntity> > navigationPropertyExpression,
Expression <Func <TStructuralType, TTargetEntity, bool> > referentialConstraintExpression) where TTargetEntity : class
{
NavigationPropertyConfiguration navigation =
GetOrCreateNavigationProperty(navigationPropertyExpression, EdmMultiplicity.One);
IDictionary <PropertyInfo, PropertyInfo> referentialConstraints =
PropertyPairSelectorVisitor.GetSelectedProperty(referentialConstraintExpression);
foreach (KeyValuePair <PropertyInfo, PropertyInfo> constraint in referentialConstraints)
{
navigation.HasConstraint(constraint);
}
return(navigation);
}
private static void FindNavigationProperties(this ODataModelBuilder builder, StructuralTypeConfiguration configuration,
IList <Tuple <StructuralTypeConfiguration, IList <object>, NavigationPropertyConfiguration> > navs,
Stack <object> path)
{
Contract.Assert(builder != null);
Contract.Assert(configuration != null);
Contract.Assert(navs != null);
Contract.Assert(path != null);
foreach (var property in configuration.Properties)
{
path.Push(property.PropertyInfo);
NavigationPropertyConfiguration nav = property as NavigationPropertyConfiguration;
ComplexPropertyConfiguration complex = property as ComplexPropertyConfiguration;
CollectionPropertyConfiguration collection = property as CollectionPropertyConfiguration;
if (nav != null)
{
// how about the containment?
IList <object> bindingPath = path.Reverse().ToList();
navs.Add(
new Tuple <StructuralTypeConfiguration, IList <object>, NavigationPropertyConfiguration>(configuration,
bindingPath, nav));
}
else if (complex != null)
{
StructuralTypeConfiguration complexType = builder.GetTypeConfigurationOrNull(complex.RelatedClrType) as StructuralTypeConfiguration;
builder.FindAllNavigationProperties(complexType, navs, path);
}
else if (collection != null)
{
IEdmTypeConfiguration edmType = builder.GetTypeConfigurationOrNull(collection.ElementType);
if (edmType != null && edmType.Kind == EdmTypeKind.Complex)
{
StructuralTypeConfiguration complexType = (StructuralTypeConfiguration)edmType;
builder.FindAllNavigationProperties(complexType, navs, path);
}
}
path.Pop();
}
}
/// <summary>
/// Removes the binding for the given navigation property and the given binding path.
/// </summary>
/// <param name="navigationConfiguration">The navigation property.</param>
/// <param name="bindingPath">The binding path.</param>
public virtual void RemoveBinding(NavigationPropertyConfiguration navigationConfiguration, string bindingPath)
{
if (navigationConfiguration == null)
{
throw Error.ArgumentNull("navigationConfiguration");
}
Dictionary <string, NavigationPropertyBindingConfiguration> navigationPropertyBindingMap;
if (_navigationPropertyBindings.TryGetValue(navigationConfiguration, out navigationPropertyBindingMap))
{
navigationPropertyBindingMap.Remove(bindingPath);
if (!navigationPropertyBindingMap.Any())
{
_navigationPropertyBindings.Remove(navigationConfiguration);
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="NavigationPropertyBindingConfiguration"/> class.
/// </summary>
/// <param name="navigationProperty">The navigation property for the binding.</param>
/// <param name="navigationSource">The target navigation source of the binding.</param>
/// <param name="path">The path of current binding.</param>
public NavigationPropertyBindingConfiguration(NavigationPropertyConfiguration navigationProperty,
NavigationSourceConfiguration navigationSource, IList <object> path)
{
if (navigationProperty == null)
{
throw new ArgumentNullException("navigationProperty");
}
if (navigationSource == null)
{
throw new ArgumentNullException("navigationSource");
}
if (path == null)
{
throw new ArgumentNullException("path");
}
NavigationProperty = navigationProperty;
TargetNavigationSource = navigationSource;
Path = path;
}
public NavigationPropertyBindingConfiguration HasOptionalBinding <TTargetType, TDerivedType>(
Expression <Func <TDerivedType, TTargetType> > navigationExpression,
string targetEntitySet)
where TTargetType : class
where TDerivedType : class, TStructuralType
{
if (navigationExpression == null)
{
throw Error.ArgumentNull("navigationExpression");
}
if (String.IsNullOrEmpty(targetEntitySet))
{
throw Error.ArgumentNullOrEmpty("targetEntitySet");
}
StructuralTypeConfiguration <TDerivedType> derivedConfiguration;
if (this._structuralType.Configuration.Kind == EdmTypeKind.Entity)
{
derivedConfiguration = _modelBuilder.EntityType <TDerivedType>().DerivesFrom <TStructuralType>();
}
else
{
derivedConfiguration = _modelBuilder.ComplexType <TDerivedType>().DerivesFrom <TStructuralType>();
}
NavigationPropertyConfiguration navigation = derivedConfiguration.HasOptional(navigationExpression);
IList <object> bindingPath = new List <object>(_bindingPath);
bindingPath.Add(typeof(TDerivedType));
bindingPath.Add(navigation.PropertyInfo);
NavigationSourceConfiguration entitySet = _modelBuilder.EntitySet <TTargetType>(targetEntitySet).Configuration;
return(this._navigationSource.AddBinding(navigation, entitySet, bindingPath));
}
/// <summary>
/// Binds the given navigation property to the target navigation source.
/// </summary>
/// <param name="navigationConfiguration">The navigation property.</param>
/// <param name="targetNavigationSource">The target navigation source.</param>
/// <returns>The <see cref="NavigationPropertyBindingConfiguration"/> so that it can be further configured.</returns>
public virtual NavigationPropertyBindingConfiguration AddBinding(NavigationPropertyConfiguration navigationConfiguration,
INavigationSourceConfiguration targetNavigationSource)
{
if (navigationConfiguration == null)
{
throw Error.ArgumentNull("navigationConfiguration");
}
if (targetNavigationSource == null)
{
throw Error.ArgumentNull("targetNavigationSource");
}
EntityTypeConfiguration declaringEntityType = navigationConfiguration.DeclaringEntityType;
if (!(declaringEntityType.IsAssignableFrom(EntityType) || EntityType.IsAssignableFrom(declaringEntityType)))
{
throw Error.Argument("navigationConfiguration", SRResources.NavigationPropertyNotInHierarchy,
declaringEntityType.FullName, EntityType.FullName, Name);
}
NavigationPropertyBindingConfiguration navigationPropertyBinding;
if (_navigationPropertyBindings.TryGetValue(navigationConfiguration, out navigationPropertyBinding))
{
if (navigationPropertyBinding.TargetNavigationSource != targetNavigationSource)
{
throw Error.NotSupported(SRResources.RebindingNotSupported);
}
}
else
{
navigationPropertyBinding = new NavigationPropertyBindingConfiguration(navigationConfiguration, targetNavigationSource);
_navigationPropertyBindings[navigationConfiguration] = navigationPropertyBinding;
}
return(navigationPropertyBinding);
}
/// <summary>
/// Binds the given navigation property to the target navigation source.
/// </summary>
/// <param name="navigationConfiguration">The navigation property.</param>
/// <param name="targetNavigationSource">The target navigation source.</param>
/// <returns>The <see cref="NavigationPropertyBindingConfiguration"/> so that it can be further configured.</returns>
public virtual NavigationPropertyBindingConfiguration AddBinding(NavigationPropertyConfiguration navigationConfiguration,
NavigationSourceConfiguration targetNavigationSource)
{
if (navigationConfiguration == null)
{
throw Error.ArgumentNull("navigationConfiguration");
}
if (targetNavigationSource == null)
{
throw Error.ArgumentNull("targetNavigationSource");
}
IList <object> bindingPath = new List <object> {
navigationConfiguration.PropertyInfo
};
if (navigationConfiguration.DeclaringType != EntityType)
{
bindingPath.Insert(0, navigationConfiguration.DeclaringType.ClrType);
}
return(AddBinding(navigationConfiguration, targetNavigationSource, bindingPath));
}
/// <summary>
/// Configures the navigation link for the given navigation property for this navigation source.
/// </summary>
/// <param name="navigationProperty">The navigation property for which the navigation link is being generated.</param>
/// <param name="navigationLinkBuilder">The builder used to generate the navigation link.</param>
/// <returns>Returns itself so that multiple calls can be chained.</returns>
public virtual NavigationSourceConfiguration HasNavigationPropertyLink(NavigationPropertyConfiguration navigationProperty,
NavigationLinkBuilder navigationLinkBuilder)
{
if (navigationProperty == null)
{
throw Error.ArgumentNull("navigationProperty");
}
if (navigationLinkBuilder == null)
{
throw Error.ArgumentNull("navigationLinkBuilder");
}
StructuralTypeConfiguration declaringType = navigationProperty.DeclaringType;
if (!(declaringType.IsAssignableFrom(EntityType) || EntityType.IsAssignableFrom(declaringType)))
{
throw Error.Argument("navigationProperty", SRResources.NavigationPropertyNotInHierarchy,
declaringType.FullName, EntityType.FullName, Name);
}
_navigationPropertyLinkBuilders[navigationProperty] = navigationLinkBuilder;
return(this);
}
/// <summary>
/// Finds the binding for the given navigation property and tries to create it if it doesnot exist.
/// </summary>
/// <param name="navigationConfiguration">The navigation property.</param>
/// <returns>The <see cref="NavigationPropertyBindingConfiguration"/> so that it can be further configured.</returns>
public virtual NavigationPropertyBindingConfiguration FindBinding(NavigationPropertyConfiguration navigationConfiguration)
{
return FindBinding(navigationConfiguration, autoCreate: true);
}
/// <summary>
/// Removes the binding for the given navigation property.
/// </summary>
/// <param name="navigationConfiguration">The navigation property</param>
public virtual void RemoveBinding(NavigationPropertyConfiguration navigationConfiguration)
{
if (navigationConfiguration == null)
{
throw Error.ArgumentNull("navigationConfiguration");
}
_navigationPropertyBindings.Remove(navigationConfiguration);
}
/// <summary>
/// Binds the given navigation property to the target navigation source.
/// </summary>
/// <param name="navigationConfiguration">The navigation property.</param>
/// <param name="targetNavigationSource">The target navigation source.</param>
/// <returns>The <see cref="NavigationPropertyBindingConfiguration"/> so that it can be further configured.</returns>
public virtual NavigationPropertyBindingConfiguration AddBinding(NavigationPropertyConfiguration navigationConfiguration,
INavigationSourceConfiguration targetNavigationSource)
{
if (navigationConfiguration == null)
{
throw Error.ArgumentNull("navigationConfiguration");
}
if (targetNavigationSource == null)
{
throw Error.ArgumentNull("targetNavigationSource");
}
EntityTypeConfiguration declaringEntityType = navigationConfiguration.DeclaringEntityType;
if (!(declaringEntityType.IsAssignableFrom(EntityType) || EntityType.IsAssignableFrom(declaringEntityType)))
{
throw Error.Argument("navigationConfiguration", SRResources.NavigationPropertyNotInHierarchy,
declaringEntityType.FullName, EntityType.FullName, Name);
}
NavigationPropertyBindingConfiguration navigationPropertyBinding;
if (_navigationPropertyBindings.TryGetValue(navigationConfiguration, out navigationPropertyBinding))
{
if (navigationPropertyBinding.TargetNavigationSource != targetNavigationSource)
{
throw Error.NotSupported(SRResources.RebindingNotSupported);
}
}
else
{
navigationPropertyBinding = new NavigationPropertyBindingConfiguration(navigationConfiguration, targetNavigationSource);
_navigationPropertyBindings[navigationConfiguration] = navigationPropertyBinding;
}
return navigationPropertyBinding;
}
/// <summary>
/// Configures the navigation link for the given navigation property for this navigation source.
/// </summary>
/// <param name="navigationProperty">The navigation property for which the navigation link is being generated.</param>
/// <param name="navigationLinkBuilder">The builder used to generate the navigation link.</param>
/// <returns>Returns itself so that multiple calls can be chained.</returns>
public virtual INavigationSourceConfiguration HasNavigationPropertyLink(NavigationPropertyConfiguration navigationProperty,
NavigationLinkBuilder navigationLinkBuilder)
{
if (navigationProperty == null)
{
throw Error.ArgumentNull("navigationProperty");
}
if (navigationLinkBuilder == null)
{
throw Error.ArgumentNull("navigationLinkBuilder");
}
EntityTypeConfiguration declaringEntityType = navigationProperty.DeclaringEntityType;
if (!(declaringEntityType.IsAssignableFrom(EntityType) || EntityType.IsAssignableFrom(declaringEntityType)))
{
throw Error.Argument("navigationProperty", SRResources.NavigationPropertyNotInHierarchy,
declaringEntityType.FullName, EntityType.FullName, Name);
}
_navigationPropertyLinkBuilders[navigationProperty] = navigationLinkBuilder;
return this;
}
private void DoIt(NavigationPropertyConfiguration navProp, EdmEntityType type)
{
foreach (var dependentProperty in navProp.DependentProperties)
{
if (dependentProperty.GetConfiguration(_configurations).IsIgnored)
{
navProp.IsIgnored = true;
return;
}
}
if (navProp.IsIgnored)
{
return;
}
EdmNavigationPropertyInfo info = new EdmNavigationPropertyInfo
{
Name = navProp.Name,
TargetMultiplicity = navProp.Multiplicity,
Target = GetEdmType(navProp.RelatedClrType) as IEdmEntityType,
ContainsTarget = navProp.ContainsTarget,
OnDelete = navProp.OnDeleteAction
};
// Principal properties
if (navProp.PrincipalProperties.Any())
{
info.PrincipalProperties = GetDeclaringPropertyInfo(navProp.PrincipalProperties);
}
// Dependent properties
if (navProp.DependentProperties.Any())
{
info.DependentProperties = GetDeclaringPropertyInfo(navProp.DependentProperties);
}
IEdmProperty edmProperty = type.AddUnidirectionalNavigation(info);
if (navProp.PropertyInfo != null && edmProperty != null)
{
_properties[navProp.PropertyInfo] = edmProperty;
}
if (edmProperty != null && navProp.IsRestricted)
{
_propertiesRestrictions[edmProperty] = new QueryableRestrictions(navProp);
}
}
/// <summary>
/// Finds the <see cref="NavigationPropertyBindingConfiguration"/> for the given navigation property.
/// </summary>
/// <param name="navigationConfiguration">The navigation property.</param>
/// <param name="autoCreate">Represents a value specifying if the binding should be created if it is not found.</param>
/// <returns>The binding if found.</returns>
public NavigationPropertyBindingConfiguration FindBinding(NavigationPropertyConfiguration navigationConfiguration,
bool autoCreate)
{
return(_configuration.FindBinding(navigationConfiguration, autoCreate));
}
/// <summary>
/// Finds the bindings <see cref="NavigationPropertyBindingConfiguration"/> for the given navigation property
/// </summary>
/// <param name="navigationConfiguration">The navigation property.</param>
/// <returns>The bindings if found</returns>
public IEnumerable <NavigationPropertyBindingConfiguration> FindBinding(NavigationPropertyConfiguration navigationConfiguration)
{
return(_configuration.FindBinding(navigationConfiguration));
}
/// <summary>
/// Initializes a new instance of the <see cref="NavigationPropertyBindingConfiguration"/> class.
/// </summary>
/// <param name="navigationProperty">The navigation property for the binding.</param>
/// <param name="navigationSource">The target navigation source of the binding.</param>
public NavigationPropertyBindingConfiguration(NavigationPropertyConfiguration navigationProperty,
NavigationSourceConfiguration navigationSource)
: this(navigationProperty, navigationSource, new object[] { navigationProperty.PropertyInfo })
{
}
/// <summary>
/// Finds the <see cref="NavigationPropertyBindingConfiguration"/> for the given navigation property.
/// </summary>
/// <param name="navigationConfiguration">The navigation property.</param>
/// <param name="bindingPath">The navigation binding path.</param>
/// <returns>The binding if found.</returns>
public NavigationPropertyBindingConfiguration FindBinding(NavigationPropertyConfiguration navigationConfiguration,
IList <object> bindingPath)
{
return(_configuration.FindBinding(navigationConfiguration, bindingPath));
}
private NavigationPropertyConfiguration AddNavigationProperty(PropertyInfo navigationProperty, EdmMultiplicity multiplicity, bool containsTarget)
{
if (navigationProperty == null)
{
throw Error.ArgumentNull("navigationProperty");
}
if (!navigationProperty.DeclaringType.IsAssignableFrom(ClrType))
{
throw Error.Argument("navigationProperty", SRResources.PropertyDoesNotBelongToType, navigationProperty.Name, ClrType.FullName);
}
ValidatePropertyNotAlreadyDefinedInBaseTypes(navigationProperty);
ValidatePropertyNotAlreadyDefinedInDerivedTypes(navigationProperty);
PropertyConfiguration propertyConfig;
NavigationPropertyConfiguration navigationPropertyConfig;
if (ExplicitProperties.ContainsKey(navigationProperty))
{
propertyConfig = ExplicitProperties[navigationProperty];
if (propertyConfig.Kind != PropertyKind.Navigation)
{
throw Error.Argument("navigationProperty", SRResources.MustBeNavigationProperty, navigationProperty.Name, ClrType.FullName);
}
navigationPropertyConfig = propertyConfig as NavigationPropertyConfiguration;
if (navigationPropertyConfig.Multiplicity != multiplicity)
{
throw Error.Argument("navigationProperty", SRResources.MustHaveMatchingMultiplicity, navigationProperty.Name, multiplicity);
}
}
else
{
navigationPropertyConfig = new NavigationPropertyConfiguration(
navigationProperty,
multiplicity,
this);
if (containsTarget)
{
navigationPropertyConfig = navigationPropertyConfig.Contained();
}
ExplicitProperties[navigationProperty] = navigationPropertyConfig;
// make sure the related type is configured
ModelBuilder.AddEntityType(navigationPropertyConfig.RelatedClrType);
}
return navigationPropertyConfig;
}
/// <summary>
/// Finds the binding for the given navigation property and tries to create it if it does not exist.
/// </summary>
/// <param name="navigationConfiguration">The navigation property.</param>
/// <param name="bindingPath">The binding path.</param>
/// <returns>The <see cref="NavigationPropertyBindingConfiguration"/> so that it can be further configured.</returns>
public virtual NavigationPropertyBindingConfiguration FindBinding(NavigationPropertyConfiguration navigationConfiguration,
IList <object> bindingPath)
{
if (navigationConfiguration == null)
{
throw Error.ArgumentNull("navigationConfiguration");
}
if (bindingPath == null)
{
throw Error.ArgumentNullOrEmpty("bindingPath");
}
string path = bindingPath.ConvertBindingPath();
Dictionary <string, NavigationPropertyBindingConfiguration> navigationPropertyBindings;
if (_navigationPropertyBindings.TryGetValue(navigationConfiguration, out navigationPropertyBindings))
{
NavigationPropertyBindingConfiguration bindingConfiguration;
if (navigationPropertyBindings.TryGetValue(path, out bindingConfiguration))
{
return(bindingConfiguration);
}
}
if (_modelBuilder.BindingOptions == NavigationPropertyBindingOption.None)
{
return(null);
}
bool hasSingletonAttribute = navigationConfiguration.PropertyInfo.GetCustomAttributes <SingletonAttribute>().Any();
Type entityType = navigationConfiguration.RelatedClrType;
NavigationSourceConfiguration[] matchedNavigationSources;
if (hasSingletonAttribute)
{
matchedNavigationSources = _modelBuilder.Singletons.Where(es => es.EntityType.ClrType == entityType).ToArray();
}
else
{
matchedNavigationSources = _modelBuilder.EntitySets.Where(es => es.EntityType.ClrType == entityType).ToArray();
}
if (matchedNavigationSources.Length >= 1)
{
if (matchedNavigationSources.Length == 1 ||
_modelBuilder.BindingOptions == NavigationPropertyBindingOption.Auto)
{
return(AddBinding(navigationConfiguration, matchedNavigationSources[0], bindingPath));
}
throw Error.NotSupported(
SRResources.CannotAutoCreateMultipleCandidates,
path,
navigationConfiguration.DeclaringType.FullName,
Name,
String.Join(", ", matchedNavigationSources.Select(s => s.Name)));
}
return(null);
}
/// <summary>
/// Finds the binding for the given navigation property and tries to create it if it doesnot exist.
/// </summary>
/// <param name="navigationConfiguration">The navigation property.</param>
/// <returns>The <see cref="NavigationPropertyBindingConfiguration"/> so that it can be further configured.</returns>
public virtual NavigationPropertyBindingConfiguration FindBinding(NavigationPropertyConfiguration navigationConfiguration)
{
return(FindBinding(navigationConfiguration, autoCreate: true));
}
/// <summary>
/// Finds the binding for the given navigation property.
/// </summary>
/// <param name="autoCreate">Tells whether the binding should be auto created if it does not exist.</param>
/// <param name="navigationConfiguration">The navigation property.</param>
/// <returns>The <see cref="NavigationPropertyBindingConfiguration"/> so that it can be further configured.</returns>
public virtual NavigationPropertyBindingConfiguration FindBinding(NavigationPropertyConfiguration navigationConfiguration,
bool autoCreate)
{
if (navigationConfiguration == null)
{
throw Error.ArgumentNull("navigationConfiguration");
}
NavigationPropertyBindingConfiguration bindingConfiguration;
if (_navigationPropertyBindings.TryGetValue(navigationConfiguration, out bindingConfiguration))
{
return bindingConfiguration;
}
if (!autoCreate)
{
return null;
}
bool hasSingletonAttribute = navigationConfiguration.PropertyInfo.GetCustomAttributes<SingletonAttribute>().Any();
Type entityType = navigationConfiguration.RelatedClrType;
INavigationSourceConfiguration[] matchedNavigationSources;
if (hasSingletonAttribute)
{
matchedNavigationSources = _modelBuilder.Singletons.Where(es => es.EntityType.ClrType == entityType).ToArray();
}
else
{
matchedNavigationSources = _modelBuilder.EntitySets.Where(es => es.EntityType.ClrType == entityType).ToArray();
}
if (matchedNavigationSources.Length == 1)
{
return AddBinding(navigationConfiguration, matchedNavigationSources[0]);
}
else if (matchedNavigationSources.Length == 0)
{
return null;
}
else
{
throw Error.NotSupported(
SRResources.CannotAutoCreateMultipleCandidates,
navigationConfiguration.Name,
navigationConfiguration.DeclaringEntityType.FullName,
Name,
String.Join(", ", matchedNavigationSources.Select(s => s.Name)));
}
}
/// <summary>
/// Gets the builder used to generate navigation link for the given navigation property for this navigation source.
/// </summary>
/// <param name="navigationProperty">The navigation property.</param>
/// <returns>The link builder.</returns>
public virtual NavigationLinkBuilder GetNavigationPropertyLink(NavigationPropertyConfiguration navigationProperty)
{
if (navigationProperty == null)
{
throw Error.ArgumentNull("navigationProperty");
}
NavigationLinkBuilder navigationPropertyLinkBuilder;
_navigationPropertyLinkBuilders.TryGetValue(navigationProperty, out navigationPropertyLinkBuilder);
return navigationPropertyLinkBuilder;
}
/// <summary>
/// Finds the bindings <see cref="NavigationPropertyBindingConfiguration"/> for the given navigation property.
/// </summary>
/// <param name="navigationConfiguration">The navigation property.</param>
/// <returns>The list of <see cref="NavigationPropertyBindingConfiguration"/> so that it can be further configured.</returns>
public virtual IEnumerable <NavigationPropertyBindingConfiguration> FindBinding(NavigationPropertyConfiguration navigationConfiguration)
{
if (navigationConfiguration == null)
{
throw Error.ArgumentNull("navigationConfiguration");
}
Dictionary <string, NavigationPropertyBindingConfiguration> navigationPropertyBindings;
if (_navigationPropertyBindings.TryGetValue(navigationConfiguration, out navigationPropertyBindings))
{
return(navigationPropertyBindings.Values);
}
return(null);
}