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