/// <summary>
/// Creates a new sorted wrapper, sorting by BytesRef
/// (ascending) then cost (ascending).
/// </summary>
public SortedInputIterator(IInputIterator source, IComparer <BytesRef> comparer)
{
this.tieBreakByCostComparer = Comparer <BytesRef> .Create((left, right) =>
{
SortedInputIterator outerInstance = this;
BytesRef leftScratch = new BytesRef();
BytesRef rightScratch = new BytesRef();
ByteArrayDataInput input = new ByteArrayDataInput();
// Make shallow copy in case decode changes the BytesRef:
leftScratch.Bytes = left.Bytes;
leftScratch.Offset = left.Offset;
leftScratch.Length = left.Length;
rightScratch.Bytes = right.Bytes;
rightScratch.Offset = right.Offset;
rightScratch.Length = right.Length;
long leftCost = outerInstance.Decode(leftScratch, input);
long rightCost = outerInstance.Decode(rightScratch, input);
if (outerInstance.HasPayloads)
{
outerInstance.DecodePayload(leftScratch, input);
outerInstance.DecodePayload(rightScratch, input);
}
if (outerInstance.HasContexts)
{
outerInstance.DecodeContexts(leftScratch, input);
outerInstance.DecodeContexts(rightScratch, input);
}
// LUCENENET NOTE: outerInstance.Comparer != outerInstance.comparer!!
int cmp = outerInstance.comparer.Compare(leftScratch, rightScratch);
if (cmp != 0)
{
return(cmp);
}
if (leftCost < rightCost)
{
return(-1);
}
else if (leftCost > rightCost)
{
return(1);
}
else
{
return(0);
}
});
this.hasPayloads = source.HasPayloads;
this.hasContexts = source.HasContexts;
this.source = source;
this.comparer = comparer;
this.reader = Sort();
}
public virtual int Compare(BytesRef left, BytesRef right)
{
// Make shallow copy in case decode changes the BytesRef:
leftScratch.Bytes = left.Bytes;
leftScratch.Offset = left.Offset;
leftScratch.Length = left.Length;
rightScratch.Bytes = right.Bytes;
rightScratch.Offset = right.Offset;
rightScratch.Length = right.Length;
long leftCost = outerInstance.Decode(leftScratch, input);
long rightCost = outerInstance.Decode(rightScratch, input);
if (outerInstance.HasPayloads)
{
outerInstance.DecodePayload(leftScratch, input);
outerInstance.DecodePayload(rightScratch, input);
}
if (outerInstance.HasContexts)
{
outerInstance.DecodeContexts(leftScratch, input);
outerInstance.DecodeContexts(rightScratch, input);
}
// LUCENENET NOTE: outerInstance.Comparator != outerInstance.comparator!!
int cmp = outerInstance.comparator.Compare(leftScratch, rightScratch);
if (cmp != 0)
{
return(cmp);
}
if (leftCost < rightCost)
{
return(-1);
}
else if (leftCost > rightCost)
{
return(1);
}
else
{
return(0);
}
}