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public interface FacetsAggregator
Aggregates categories that were found in result documents (specified by
FacetsCollector.MatchingDocs
). If the aggregator requires document scores too, it
should return true
from requiresDocScores()
.
Method Summary | |
---|---|
void |
aggregate(FacetsCollector.MatchingDocs matchingDocs,
CategoryListParams clp,
FacetArrays facetArrays)
Aggregate the facets found in the given matching documents. |
boolean |
requiresDocScores()
Returns true if this aggregator requires document scores. |
void |
rollupValues(FacetRequest fr,
int ordinal,
int[] children,
int[] siblings,
FacetArrays facetArrays)
Rollup the values of the given ordinal. |
Method Detail |
---|
void aggregate(FacetsCollector.MatchingDocs matchingDocs, CategoryListParams clp, FacetArrays facetArrays) throws IOException
IOException
void rollupValues(FacetRequest fr, int ordinal, int[] children, int[] siblings, FacetArrays facetArrays)
CategoryListParams.OrdinalPolicy.NO_PARENTS
. The given
ordinal is the requested category, and you should use the children and
siblings arrays to traverse its sub-tree.
boolean requiresDocScores()
true
if this aggregator requires document scores.
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