public ISpecification <T> Skip <T>(ISpecification <T> spec, int count)
{
NHibernateSpecification <T> nhSpec = (NHibernateSpecification <T>)spec;
nhSpec.Query = nhSpec.Query.Skip(count);
return(nhSpec);
}
public ISpecification <T> Shard <T>(ISpecification <T> spec, ShardParams shardParams)
{
NHibernateSpecification <T> nhSpec = (NHibernateSpecification <T>)spec;
nhSpec.ShardParams = shardParams;
return(nhSpec);
}
public int Count(ISpecification <TEntity> spec)
{
NHibernateSpecification <TEntity> nhSpec = (NHibernateSpecification <TEntity>)spec;
var cq = nhSpec.GetSession().Query <TEntity>();
if (nhSpec.CriteriaExpression != null)
{
cq = cq.Where(nhSpec.CriteriaExpression);
}
return(cq.Count());
}
public IOrderedSpecification <T> ThenBy <T, K>(IOrderedSpecification <T> spec, Expression <Func <T, K> > keySelector, QueryOrder order)
{
NHibernateSpecification <T> nhSpec = (NHibernateSpecification <T>)spec;
if (order == QueryOrder.Ascending)
{
nhSpec.Query = ((IOrderedQueryable <T>)nhSpec.Query).ThenBy(keySelector);
}
else
{
nhSpec.Query = ((IOrderedQueryable <T>)nhSpec.Query).ThenByDescending(keySelector);
}
return(nhSpec);
}
public PagingResult <TEntity> FindPaging(ISpecification <TEntity> spec)
{
NHibernateSpecification <TEntity> nhSpec = (NHibernateSpecification <TEntity>)spec;
var cq = nhSpec.GetSession().Query <TEntity>();
if (nhSpec.CriteriaExpression != null)
{
cq = cq.Where(nhSpec.CriteriaExpression);
}
PagingResult <TEntity> result = new PagingResult <TEntity>(cq.Count());
result.AddRange(nhSpec.Query.ToList());
return(result);
}
