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50 lines
1.4 KiB
50 lines
1.4 KiB
// Copyright (c) 2014 Couchbase, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package simple
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import (
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"github.com/blevesearch/bleve/search"
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"github.com/blevesearch/bleve/search/highlight"
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)
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// FragmentScorer will score fragments by how many
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// unique terms occur in the fragment with no regard for
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// any boost values used in the original query
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type FragmentScorer struct {
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tlm search.TermLocationMap
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}
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func NewFragmentScorer(tlm search.TermLocationMap) *FragmentScorer {
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return &FragmentScorer{
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tlm: tlm,
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}
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}
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func (s *FragmentScorer) Score(f *highlight.Fragment) {
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score := 0.0
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OUTER:
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for _, locations := range s.tlm {
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for _, location := range locations {
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if location.ArrayPositions.Equals(f.ArrayPositions) && int(location.Start) >= f.Start && int(location.End) <= f.End {
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score += 1.0
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// once we find a term in the fragment
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// don't care about additional matches
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continue OUTER
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}
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}
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}
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f.Score = score
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}
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