2014-07-30 18:30:38 +02:00
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// Copyright (c) 2014 Couchbase, Inc.
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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// except in compliance with the License. You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed under the
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// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions
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// and limitations under the License.
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2014-06-26 17:43:13 +02:00
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package search
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import ()
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// SimpleFragmentScorer 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 SimpleFragmentScorer struct {
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tlm TermLocationMap
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}
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func NewSimpleFragmentScorer(tlm TermLocationMap) *SimpleFragmentScorer {
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return &SimpleFragmentScorer{
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tlm: tlm,
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}
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}
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func (s *SimpleFragmentScorer) Score(f *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 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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