public static void AddTypeConstraint(
EdmModel database,
EntityType entityType,
EntityType principalTable,
EntityType dependentTable,
bool isSplitting)
{
DebugCheck.NotNull(principalTable);
DebugCheck.NotNull(dependentTable);
DebugCheck.NotNull(entityType);
var foreignKeyConstraintMetadata
= new ForeignKeyBuilder(
database, String.Format(
CultureInfo.InvariantCulture,
"{0}_TypeConstraint_From_{1}_To_{2}",
entityType.Name,
principalTable.Name,
dependentTable.Name))
{
PrincipalTable = principalTable
};
dependentTable.AddForeignKey(foreignKeyConstraintMetadata);
if (isSplitting)
{
foreignKeyConstraintMetadata.SetIsSplitConstraint();
}
else
{
foreignKeyConstraintMetadata.SetIsTypeConstraint();
}
foreignKeyConstraintMetadata.DependentColumns = dependentTable.Properties.Where(c => c.IsPrimaryKeyColumn);
//If "DbStoreGeneratedPattern.Identity" was copied from the parent table, it should be removed
dependentTable.Properties.Where(c => c.IsPrimaryKeyColumn).Each(c => c.RemoveStoreGeneratedIdentityPattern());
}
public static void AddTypeConstraint(
EdmModel database,
EntityType entityType,
EntityType principalTable,
EntityType dependentTable,
bool isSplitting)
{
ForeignKeyBuilder foreignKeyBuilder = new ForeignKeyBuilder(database, string.Format((IFormatProvider)CultureInfo.InvariantCulture, "{0}_TypeConstraint_From_{1}_To_{2}", (object)entityType.Name, (object)principalTable.Name, (object)dependentTable.Name))
{
PrincipalTable = principalTable
};
dependentTable.AddForeignKey(foreignKeyBuilder);
if (isSplitting)
{
foreignKeyBuilder.SetIsSplitConstraint();
}
else
{
foreignKeyBuilder.SetIsTypeConstraint();
}
foreignKeyBuilder.DependentColumns = dependentTable.Properties.Where <EdmProperty>((Func <EdmProperty, bool>)(c => c.IsPrimaryKeyColumn));
dependentTable.Properties.Where <EdmProperty>((Func <EdmProperty, bool>)(c => c.IsPrimaryKeyColumn)).Each <EdmProperty>((Action <EdmProperty>)(c => c.RemoveStoreGeneratedIdentityPattern()));
}
