Use a slice instead of a list
By replacing the container/list with a slice we can make use of sort.Sort and subslicing to get our top-N termfacet results.
This commit is contained in:
parent
412049d63c
commit
f7343462b8
|
@ -10,7 +10,7 @@
|
|||
package facets
|
||||
|
||||
import (
|
||||
"container/list"
|
||||
"sort"
|
||||
|
||||
"github.com/blevesearch/bleve/index"
|
||||
"github.com/blevesearch/bleve/search"
|
||||
|
@ -56,47 +56,25 @@ func (fb *TermsFacetBuilder) Result() *search.FacetResult {
|
|||
Missing: fb.missing,
|
||||
}
|
||||
|
||||
// FIXME better implementation needed here this is quick and dirty
|
||||
topN := list.New()
|
||||
rv.Terms = make([]*search.TermFacet, len(fb.termsCount))
|
||||
|
||||
// walk entries and find top N
|
||||
OUTER:
|
||||
for term, count := range fb.termsCount {
|
||||
tf := &search.TermFacet{
|
||||
Term: term,
|
||||
Count: count,
|
||||
}
|
||||
|
||||
for e := topN.Front(); e != nil; e = e.Next() {
|
||||
curr := e.Value.(*search.TermFacet)
|
||||
if tf.Count < curr.Count {
|
||||
|
||||
topN.InsertBefore(tf, e)
|
||||
// if we just made the list too long
|
||||
if topN.Len() > fb.size {
|
||||
// remove the head
|
||||
topN.Remove(topN.Front())
|
||||
}
|
||||
continue OUTER
|
||||
}
|
||||
}
|
||||
// if we got to the end, we still have to add it
|
||||
topN.PushBack(tf)
|
||||
if topN.Len() > fb.size {
|
||||
// remove the head
|
||||
topN.Remove(topN.Front())
|
||||
}
|
||||
|
||||
rv.Terms = append(rv.Terms, tf)
|
||||
}
|
||||
|
||||
sort.Sort(rv.Terms)
|
||||
|
||||
// we now have the list of the top N facets
|
||||
rv.Terms = make([]*search.TermFacet, topN.Len())
|
||||
i := 0
|
||||
rv.Terms = rv.Terms[:fb.size]
|
||||
|
||||
notOther := 0
|
||||
for e := topN.Back(); e != nil; e = e.Prev() {
|
||||
rv.Terms[i] = e.Value.(*search.TermFacet)
|
||||
i++
|
||||
notOther += e.Value.(*search.TermFacet).Count
|
||||
for _, tf := range rv.Terms {
|
||||
notOther += tf.Count
|
||||
}
|
||||
rv.Other = fb.total - notOther
|
||||
|
||||
|
|
Loading…
Reference in New Issue