public void GetMethodChain_returns_chain_when_one_property()
{
var configuration = new ForeignKeyConfiguration { Properties = { new EdmProperty("EntityId") } };
var code = new CSharpCodeHelper();
Assert.Equal(".HasForeignKey(e => e.EntityId)", configuration.GetMethodChain(code));
}
public IFluentConfiguration Discover(NavigationProperty navigationProperty, DbModel model)
{
Debug.Assert(navigationProperty != null, "navigationProperty is null.");
Debug.Assert(model != null, "model is null.");
var associationType = (AssociationType)navigationProperty.RelationshipType;
if (!associationType.IsForeignKey
|| (navigationProperty.ToEndMember.RelationshipMultiplicity != RelationshipMultiplicity.Many
&& navigationProperty.FromEndMember.RelationshipMultiplicity != RelationshipMultiplicity.Many))
{
// Doesn't apply
return null;
}
var constraint = associationType.Constraint;
var entityType = (EntityType)navigationProperty.DeclaringType;
var fromProperty = constraint.FromProperties.First();
var fromPropertyName = fromProperty.Name;
var toEntityType = navigationProperty.ToEndMember.GetEntityType();
// NOTE: OrderBy works around a bug in primary key column ordering (Work Item 868)
var toProperties = constraint.ToProperties.OrderBy(
p => entityType.KeyMembers.IndexOf(constraint.FromProperties[constraint.ToProperties.IndexOf(p)]));
var toPropertyName = toProperties.First().Name;
if (!toProperties.MoreThan(1)
&& (toPropertyName.EqualsIgnoreCase(navigationProperty.Name + fromPropertyName)
|| (!entityType.NavigationProperties.Where(p => p.ToEndMember.GetEntityType() == toEntityType)
.MoreThan(1)
&& (toPropertyName.EqualsIgnoreCase(fromPropertyName)
|| toPropertyName.EqualsIgnoreCase(fromProperty.DeclaringType.Name + fromPropertyName)))))
{
// By convention
return null;
}
var configuration = new ForeignKeyConfiguration();
foreach (var property in toProperties)
{
configuration.Properties.Add(property);
}
return configuration;
}
public IFluentConfiguration Discover(NavigationProperty navigationProperty, DbModel model)
{
Debug.Assert(navigationProperty != null, "navigationProperty is null.");
Debug.Assert(model != null, "model is null.");
var associationType = (AssociationType)navigationProperty.RelationshipType;
if (!associationType.IsForeignKey ||
(navigationProperty.ToEndMember.RelationshipMultiplicity != RelationshipMultiplicity.Many &&
navigationProperty.FromEndMember.RelationshipMultiplicity != RelationshipMultiplicity.Many))
{
// Doesn't apply
return(null);
}
var constraint = associationType.Constraint;
var entityType = (EntityType)navigationProperty.DeclaringType;
var fromProperty = constraint.FromProperties.First();
var fromPropertyName = fromProperty.Name;
var toEntityType = navigationProperty.ToEndMember.GetEntityType();
// NOTE: OrderBy works around a bug in primary key column ordering (Work Item 868)
var toProperties = constraint.ToProperties.OrderBy(
p => entityType.KeyMembers.IndexOf(constraint.FromProperties[constraint.ToProperties.IndexOf(p)]));
var toPropertyName = toProperties.First().Name;
if (!toProperties.MoreThan(1) &&
(toPropertyName.EqualsIgnoreCase(navigationProperty.Name + fromPropertyName) ||
(!entityType.NavigationProperties.Where(p => p.ToEndMember.GetEntityType() == toEntityType)
.MoreThan(1) &&
(toPropertyName.EqualsIgnoreCase(fromPropertyName) ||
toPropertyName.EqualsIgnoreCase(fromProperty.DeclaringType.Name + fromPropertyName)))))
{
// By convention
return(null);
}
var configuration = new ForeignKeyConfiguration();
foreach (var property in toProperties)
{
configuration.Properties.Add(property);
}
return(configuration);
}
