/// <summary>
/// gets distribution of the value arrays. When predefined ranges are available, this returns distribution by predefined ranges.
/// </summary>
/// <returns></returns>
public virtual BigSegmentedArray GetCountDistribution()
{
BigSegmentedArray dist = null;
if (_predefinedRangeIndexes != null)
{
dist = new LazyBigIntArray(_predefinedRangeIndexes.Length);
int n = 0;
foreach (int[] range in _predefinedRangeIndexes)
{
int start = range[0];
int end = range[1];
int sum = 0;
for (int i = start; i < end; ++i)
{
sum += _count.Get(i);
}
dist.Add(n++, sum);
}
}
else
{
dist = _count;
}
return dist;
}
public virtual FacetIterator Iterator()
{
if (_predefinedRanges != null)
{
BigSegmentedArray rangeCounts = new LazyBigIntArray(_predefinedRangeIndexes.Length);
for (int k = 0; k < _predefinedRangeIndexes.Length; ++k)
{
int count = 0;
int idx = _predefinedRangeIndexes[k][0];
int end = _predefinedRangeIndexes[k][1];
while (idx <= end)
{
count += _count.Get(idx++);
}
rangeCounts.Add(k, rangeCounts.Get(k) + count);
}
return new DefaultFacetIterator(_predefinedRanges, rangeCounts, rangeCounts.Size(), true);
}
return null;
}
public virtual List<BrowseFacet> GetFacetsNew()
{
if (_ospec != null)
{
if (_predefinedRangeIndexes != null)
{
int minCount = _ospec.MinHitCount;
int maxNumOfFacets = _ospec.MaxCount;
if (maxNumOfFacets <= 0 || maxNumOfFacets > _predefinedRangeIndexes.Length) maxNumOfFacets = _predefinedRangeIndexes.Length;
BigSegmentedArray rangeCount = new LazyBigIntArray(_predefinedRangeIndexes.Length);
for (int k = 0; k < _predefinedRangeIndexes.Length; ++k)
{
int count = 0;
int idx = _predefinedRangeIndexes[k][0];
int end = _predefinedRangeIndexes[k][1];
while (idx <= end)
{
count += _count.Get(idx++);
}
rangeCount.Add(k, count);
}
List<BrowseFacet> facetColl;
FacetSpec.FacetSortSpec sortspec = _ospec.OrderBy;
if (sortspec == FacetSpec.FacetSortSpec.OrderValueAsc)
{
facetColl = new List<BrowseFacet>(maxNumOfFacets);
for (int k = 0; k < _predefinedRangeIndexes.Length; ++k)
{
if (rangeCount.Get(k) >= minCount)
{
BrowseFacet choice = new BrowseFacet(_predefinedRanges.Get(k), rangeCount.Get(k));
facetColl.Add(choice);
}
if (facetColl.Count >= maxNumOfFacets) break;
}
}
else //if (sortspec == FacetSortSpec.OrderHitsDesc)
{
IComparatorFactory comparatorFactory;
if (sortspec == FacetSpec.FacetSortSpec.OrderHitsDesc)
{
comparatorFactory = new FacetHitcountComparatorFactory();
}
else
{
comparatorFactory = _ospec.CustomComparatorFactory;
}
if (comparatorFactory == null)
{
throw new ArgumentException("facet comparator factory not specified");
}
IComparer<int> comparator = comparatorFactory.NewComparator(new RangeFacetCountCollectorFieldAccessor(_predefinedRanges), rangeCount);
int forbidden = -1;
IntBoundedPriorityQueue pq = new IntBoundedPriorityQueue(comparator, maxNumOfFacets, forbidden);
for (int i = 0; i < _predefinedRangeIndexes.Length; ++i)
{
if (rangeCount.Get(i) >= minCount) pq.Offer(i);
}
int val;
facetColl = new List<BrowseFacet>();
while ((val = pq.Poll()) != forbidden)
{
BrowseFacet facet = new BrowseFacet(_predefinedRanges.ElementAt(val), rangeCount.Get(val));
facetColl.Insert(0, facet);
}
}
return facetColl;
}
else
{
return FacetCountCollector_Fields.EMPTY_FACET_LIST;
}
}
else
{
return FacetCountCollector_Fields.EMPTY_FACET_LIST;
}
}
public virtual BigSegmentedArray GetCountDistribution()
{
BigSegmentedArray dist = null;
if (_predefinedRanges != null)
{
dist = new LazyBigIntArray(_predefinedRanges.Count);
int distIdx = 0;
for (int i = 0; i < _count.Size(); i++)
{
int count = _count.Get(i);
dist.Add(distIdx++, count);
}
}
return dist;
}
public virtual FacetIterator Iterator()
{
// each range is of the form <lat, lon, radius>
LazyBigIntArray rangeCounts = new LazyBigIntArray(_latPredefinedRangeIndexes.Length);
for (int i = 0; i < _latCount.Length; ++i)
{
if (_latCount[i] > 0)
{
for (int k = 0; k < _latPredefinedRangeIndexes.Length; ++k)
{
if (i >= _latPredefinedRangeIndexes[k][0] && i <= _latPredefinedRangeIndexes[k][1])
{
rangeCounts.Add(k, rangeCounts.Get(k) + _latCount[i]);
}
}
}
}
return new DefaultFacetIterator(_predefinedRanges, rangeCounts, rangeCounts.Size(), true);
}
/// <summary>
/// (non-Javadoc)
/// see com.browseengine.bobo.facets.FacetCountCollector#getCountDistribution()
/// </summary>
/// <returns></returns>
public virtual BigSegmentedArray GetCountDistribution()
{
BigSegmentedArray dist = null;
if (_latPredefinedRangeIndexes != null)
{
dist = new LazyBigIntArray(_latPredefinedRangeIndexes.Length);
int n = 0;
int start;
int end;
foreach (int[] range in _latPredefinedRangeIndexes)
{
start = range[0];
end = range[1];
int sum = 0;
for (int i = start; i < end; i++)
{
sum += _latCount[i];
}
dist.Add(n++, sum);
}
}
return dist;
}