public virtual TProjection FirstOrDefault <TProjection>(TPrimaryKey id, Options.GetProjectedOptions <TEntity, TPrimaryKey, TProjection> options) where TProjection : class
{
IQueryable <TProjection> query = AsQueryable <TProjection>(
projection: options?.Projection,
predicate: CreateEqualityExpressionForId(id));
return(query.FirstOrDefault());
}
public TProjection Get <TProjection>(TPrimaryKey id, Options.GetProjectedOptions <TEntity, TPrimaryKey, TProjection> options) where TProjection : class
{
var projection = FirstOrDefault <TProjection>(id, options);
if (projection == null)
{
throw new EntityNotFoundException(typeof(TEntity), id);
}
return(projection);
}
public virtual Task <TProjection> FirstOrDefaultAsync <TProjection>(Expression <Func <TEntity, bool> > predicate, Options.GetProjectedOptions <TEntity, TPrimaryKey, TProjection> options) where TProjection : class
{
return(Task.FromResult(FirstOrDefault <TProjection>(predicate, options)));
}
public virtual TProjection FirstOrDefault <TProjection>(Expression <Func <TEntity, bool> > predicate, Options.GetProjectedOptions <TEntity, TPrimaryKey, TProjection> options) where TProjection : class
{
IQueryable <TProjection> query = AsQueryable <TProjection>(
projection: options?.Projection,
predicate: predicate);
return(query.FirstOrDefault());
}
public virtual Task <TProjection> FirstOrDefaultAsync <TProjection>(TPrimaryKey id, Options.GetProjectedOptions <TEntity, TPrimaryKey, TProjection> options) where TProjection : class
{
return(Task.FromResult(FirstOrDefault <TProjection>(id, options)));
}
public TProjection Single <TProjection>(Expression <Func <TEntity, bool> > predicate, Options.GetProjectedOptions <TEntity, TPrimaryKey, TProjection> options) where TProjection : class
{
IQueryable <TProjection> query = AsQueryable <TProjection>(
projection: options?.Projection,
predicate: predicate);
return(query.Single());
}
public virtual async Task <TProjection> GetAsync <TProjection>(TPrimaryKey id, Options.GetProjectedOptions <TEntity, TPrimaryKey, TProjection> options) where TProjection : class
{
var projection = await FirstOrDefaultAsync <TProjection>(id, options);
if (projection == null)
{
throw new EntityNotFoundException(typeof(TEntity), id);
}
return(projection);
}