/// <summary>
/// If the query already contains a clause for the given component
/// and engine, replace it with the specified clause. Otherwise, just
/// add the clause.
/// </summary>
/// <param name="component"></param>
/// <param name="clause"></param>
/// <param name="engineCode"></param>
/// <returns></returns>
public Q AddOrReplaceComponent(string component, AbstractClause clause, string engineCode = null)
{
engineCode = engineCode ?? EngineScope;
var current = GetComponents(component).SingleOrDefault(c => c.Engine == engineCode);
if (current != null)
{
Clauses.Remove(current);
}
return(AddComponent(component, clause, engineCode));
}
/// <summary>
/// Add a component clause to the query.
/// </summary>
/// <param name="component"></param>
/// <param name="clause"></param>
/// <param name="engineCode"></param>
/// <returns></returns>
public Q AddComponent(string component, AbstractClause clause, string engineCode = null)
{
if (engineCode == null)
{
engineCode = EngineScope;
}
clause.Engine = engineCode;
clause.Component = component;
Clauses.Add(clause);
return((Q)this);
}
