private void ThrowIfModelHasInvalidId(TModel model)
{
if (false == _modelId.Equals(model.Id))
{
throw new InvalidOperationException(
"Model id is invalid."
+ $"{NewLine} The expected value: {_modelId}"
+ $"{NewLine} The actual value: {model.Id}");
}
}
/// <inheritdoc />
public override bool Equals(object obj)
{
if (ReferenceEquals(obj, null))
{
return(false);
}
if (!(obj is CompositeKey other))
{
return(false);
}
return(Id?.Equals(other.Id) == true &&
Name?.Equals(other.Name) == true);
}
public virtual TId GetNextId <TEntity, TId>() where TEntity : IEntity <TId>
{
Type entityType = typeof(TEntity);
SequenceAttribute attribute = entityType.GetCustomAttribute <SequenceAttribute>();
if (attribute == null)
{
throw new InvalidOperationException("You need to decorate your entity with Sequence attribute to use this extension method.");
}
string sequenceName = attribute.Name;
DbRawSqlQuery <TId> result = Database.SqlQuery <TId>($"SELECT (NEXT VALUE FOR {sequenceName})");
TId id = result.FirstOrDefault();
if (id == null || id.Equals(default(TId)))
{
throw new InvalidOperationException($"Database did not return an instance of identity for sequence {sequenceName}.");
}
return(id);
}