public static IEnumerable <SegmentStream> GetStreams(this SparseClusteredArray <byte> sca)
{
sca.Lock.EnterReadLock();
try
{
foreach (Segment seg in sca.Segments)
{
using (var stream = new SegmentStream(seg))
yield return(stream);
}
}
finally
{
sca.Lock.ExitReadLock();
}
}
public static RelativePosition PositionOf <T>(
this SparseClusteredArray <T> .IBounds bounds,
SparseClusteredArray <T> .IBounds oBounds)
{
//TODO: Simplify with substraction
if (oBounds.Upper < bounds.Lower)
{
if (oBounds.Upper == bounds.Lower - 1)
{
return(RelativePosition.BeforeContiguous);
}
return(RelativePosition.BeforeNoOverlap);
}
else if (oBounds.Lower > bounds.Upper)
{
if (oBounds.Lower == bounds.Upper + 1)
{
return(RelativePosition.AfterContiguous);
}
return(RelativePosition.AfterNoOverlap);
}
//!Simplify
//TODO: Simplify with substraction
else if (oBounds.Lower > bounds.Lower && oBounds.Upper <= bounds.Upper ||
oBounds.Lower >= bounds.Lower && oBounds.Upper < bounds.Upper)
{
return(RelativePosition.Within);
}
else if (oBounds.Lower > bounds.Lower)
{
return(RelativePosition.AfterOverlap);
}
else if (oBounds.Upper < bounds.Upper)
{
return(RelativePosition.BeforeOverlap);
}
//!Simplify
return(RelativePosition.Super);
}
public static SegmentStream GetSubsetStream(
this SparseClusteredArray <byte> sca,
SparseClusteredArray <byte> .IBounds bounds)
{
(int idx, List <Segment> localSegs) = sca.AcquireReadLock((allSegs) =>
{
(int superIdx, Segment superSeg) = SparseClusteredArray <byte> .FindSuperSegment(allSegs, bounds);
return(superIdx, new List <Segment>()
{
superSeg
});
}
);
return(idx < 0
? null
: new SegmentStream(localSegs[0], false));
}
public static RelativePosition IsWithin <T>(
this SparseClusteredArray <T> .IBounds bounds,
int position)
{
if (position < bounds.Lower)
{
return(RelativePosition.BeforeNoOverlap);
}
else if (position > bounds.Upper)
{
return(RelativePosition.AfterNoOverlap);
}
else
{
return(RelativePosition.Within);
}
}
public static int Length <T>(
this SparseClusteredArray <T> .IBounds bounds)
{
return(bounds.Upper - bounds.Lower + 1);
}