private NavigationPropertyConfiguration AddNavigationProperty(PropertyInfo navigationProperty, EdmMultiplicity multiplicity, bool containsTarget)
{
if (navigationProperty == null)
{
throw new ArgumentNullException(nameof(navigationProperty));
}
if (!TypeHelper.GetReflectedType(navigationProperty).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 <MemberInfo> 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", SRResources.NavigationPropertyBindingPathIsNotValid,
bindingPath.ConvertBindingPath(), navigationConfiguration.Name);
}
bindingPath.Aggregate(EntityType.ClrType, VerifyBindingSegment);
}
/// <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 <MemberInfo> path)
{
if (navigationProperty == null)
{
throw Error.ArgumentNull("navigationProperty");
}
if (navigationSource == null)
{
throw Error.ArgumentNull("navigationSource");
}
if (path == null)
{
throw Error.ArgumentNull("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 <MemberInfo> bindingPath = new List <MemberInfo>(_bindingPath);
bindingPath.Add(TypeHelper.AsMemberInfo(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,
NavigationSourceConfiguration targetNavigationSource)
{
if (navigationConfiguration == null)
{
throw Error.ArgumentNull("navigationConfiguration");
}
if (targetNavigationSource == null)
{
throw Error.ArgumentNull("targetNavigationSource");
}
IList <MemberInfo> bindingPath = new List <MemberInfo> {
navigationConfiguration.PropertyInfo
};
if (navigationConfiguration.DeclaringType != EntityType)
{
bindingPath.Insert(0, TypeHelper.AsMemberInfo(navigationConfiguration.DeclaringType.ClrType));
}
return(AddBinding(navigationConfiguration, targetNavigationSource, bindingPath));
}
/// <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 <MemberInfo> bindingPath)
{
return(_configuration.FindBinding(navigationConfiguration, bindingPath));
}
/// <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>
/// 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 <MemberInfo> 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 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);
}
/// <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 MemberInfo[] { navigationProperty?.PropertyInfo })
{
}