/// <summary>
/// Recupera o origem de dados associada com a consulta.
/// </summary>
/// <param name="query"></param>
/// <returns></returns>
public Query.IQueryDataSource GetDataSource(Query.QueryInfo query)
{
Query.IQueryDataSource lastDataSource = null;
if (query.StoredProcedureName != null || !query.CanUseCache || !Colosoft.Caching.CacheDataSource.IsCompatible(query))
{
return(GetServerDataSource());
}
foreach (var i in query.Entities)
{
var ds = GetDataSource(i);
if (lastDataSource != null && lastDataSource != ds)
{
return(GetServerDataSource());
}
lastDataSource = ds;
}
if (query.NestedQueries != null)
{
foreach (var nestedQuery in query.NestedQueries)
{
var ds = GetDataSource(nestedQuery);
if ((lastDataSource != null && lastDataSource != ds) || !nestedQuery.CanUseCache)
{
return(GetServerDataSource());
}
lastDataSource = ds;
}
}
return(lastDataSource);
}
/// <summary>
/// Recupera a origem de dados comum entre as consulta informadas.
/// </summary>
/// <param name="queries"></param>
/// <returns></returns>
public Query.IQueryDataSource GetDataSource(Query.QueryInfo[] queries)
{
Query.IQueryDataSource lastDataSource = null;
foreach (var i in queries)
{
var ds = GetDataSource(i);
if (lastDataSource != null && lastDataSource != ds)
{
return(GetServerDataSource());
}
lastDataSource = ds;
}
return(lastDataSource);
}
