private static CommitSelectionExpression RelativeCommitSelection(
this CommitSelectionExpression parentExp,
string revision,
Func <CommitSelectionExpression, int, CommitSelectionExpression> numberFilter,
Func <CommitSelectionExpression, BranchMask, CommitSelectionExpression> branchFilter)
{
if (revision == null)
{
return(parentExp);
}
var revisionData = (
from c in parentExp.Queryable <Commit>().Where(x => x.Revision == revision)
join b in parentExp.Queryable <Branch>() on c.BranchId equals b.Id
select new
{
Number = c.Number,
Branch = b,
}).SingleOrDefault();
if (revisionData == null)
{
return(parentExp.Reselect(c => c.Take(0)));
}
return(parentExp
.Reselect(s => numberFilter(s, revisionData.Number))
.Reselect(s => branchFilter(s, revisionData.Branch.Mask)));
}
public static CommitSelectionExpression AreRefactorings(this CommitSelectionExpression parentExp)
{
return(parentExp.Reselect(s => s.Where(commit =>
(from c in s
join m in parentExp.Queryable <Modification>() on c.Number equals m.CommitNumber
join cb in parentExp.Queryable <CodeBlock>() on m.Id equals cb.ModificationId
where cb.TargetCodeBlock == null || cb.Size < 0
group cb.Size by c.Number)
.Where(x => x.Sum() <= 0).Select(x => x.Key).Contains(commit.Number))));
}
public static CommitSelectionExpression HasAttribute(
this CommitSelectionExpression parentExp, string attributeType)
{
return(parentExp.Reselect(s =>
(from c in s
join ca in parentExp.Queryable <CommitAttribute>()
.Where(x => x.Type == attributeType) on c.Number equals ca.CommitNumber
select c).Distinct()
));
}
public static CommitSelectionExpression TouchFiles(this CommitSelectionExpression parentExp)
{
return(parentExp.Reselect(s =>
(
from c in s
join m in parentExp.Queryable <Modification>() on c.Number equals m.CommitNumber
join f in parentExp.Selection <CodeFile>() on m.FileId equals f.Id
select c
).Distinct()
));
}
public static CommitSelectionExpression HasNotAttribute(
this CommitSelectionExpression parentExp, string attributeType)
{
return(parentExp.Reselect(s =>
from c in s
join ca in parentExp.Queryable <CommitAttribute>()
.Where(x => x.Type == attributeType) on c.Number equals ca.CommitNumber into caGroup
from caNullable in caGroup.DefaultIfEmpty()
where caNullable == null
select c
));
}
public static CommitSelectionExpression OnBranchForward(
this CommitSelectionExpression parentExp, BranchMask mask)
{
return(parentExp.Reselect(s =>
from c in s
join br in parentExp.Queryable <Branch>() on c.BranchId equals br.Id
let branch_bit_pos = mask.Data.Length + mask.Offset - 1 - br.Mask.Offset
where
(branch_bit_pos < 0)
||
(branch_bit_pos < br.Mask.Data.Length && br.Mask.Data.Substring(branch_bit_pos, 1) == "1")
select c));
}
