public TEntity First(IEntityFilter <TEntity> filter = null, IEntitySorter <TEntity> sorter = null, IEntityLoader <TEntity> loader = null)
{
var entities = (filter ?? EntityFilter <TEntity> .AsQueryable()).Filter(Entities);
if (loader != null)
{
return(loader.First(entities));
}
return(entities.First());
}
public TEntity SingleOrDefault(IEntityFilter <TEntity> filter = null, IEntityLoader <TEntity> loader = null)
{
var entities = (filter ?? EntityFilter <TEntity> .AsQueryable()).Filter(Entities);
if (loader != null)
{
return(loader.SingleOrDefault(entities));
}
return(entities.SingleOrDefault());
}
public bool Any(IEntityFilter <TEntity> filter = null)
{
return((filter ?? EntityFilter <TEntity> .AsQueryable()).Filter(Entities).Any());
}
public virtual int Count(IEntityFilter <TEntity> filter = null)
{
return((filter ?? EntityFilter <TEntity> .AsQueryable()).Filter(Entities).Count());
}