+++ /dev/null
-package org.apache.lucene.search.vectorhighlight;
-
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.
- */
-
-import java.util.ArrayList;
-import java.util.List;
-
-import org.apache.lucene.search.vectorhighlight.FieldPhraseList.WeightedPhraseInfo;
-import org.apache.lucene.search.vectorhighlight.FieldPhraseList.WeightedPhraseInfo.Toffs;
-
-/**
- * FieldFragList has a list of "frag info" that is used by FragmentsBuilder class
- * to create fragments (snippets).
- */
-public class FieldFragList {
-
- private List<WeightedFragInfo> fragInfos = new ArrayList<WeightedFragInfo>();
-
- /**
- * a constructor.
- *
- * @param fragCharSize the length (number of chars) of a fragment
- */
- public FieldFragList( int fragCharSize ){
- }
-
- /**
- * convert the list of WeightedPhraseInfo to WeightedFragInfo, then add it to the fragInfos
- *
- * @param startOffset start offset of the fragment
- * @param endOffset end offset of the fragment
- * @param phraseInfoList list of WeightedPhraseInfo objects
- */
- public void add( int startOffset, int endOffset, List<WeightedPhraseInfo> phraseInfoList ){
- fragInfos.add( new WeightedFragInfo( startOffset, endOffset, phraseInfoList ) );
- }
-
- /**
- * return the list of WeightedFragInfos.
- *
- * @return fragInfos.
- */
- public List<WeightedFragInfo> getFragInfos() {
- return fragInfos;
- }
-
- public static class WeightedFragInfo {
-
- List<SubInfo> subInfos;
- float totalBoost;
- int startOffset;
- int endOffset;
-
- public WeightedFragInfo( int startOffset, int endOffset, List<WeightedPhraseInfo> phraseInfoList ){
- this.startOffset = startOffset;
- this.endOffset = endOffset;
- subInfos = new ArrayList<SubInfo>();
- for( WeightedPhraseInfo phraseInfo : phraseInfoList ){
- SubInfo subInfo = new SubInfo( phraseInfo.text, phraseInfo.termsOffsets, phraseInfo.seqnum );
- subInfos.add( subInfo );
- totalBoost += phraseInfo.boost;
- }
- }
-
- public List<SubInfo> getSubInfos(){
- return subInfos;
- }
-
- public float getTotalBoost(){
- return totalBoost;
- }
-
- public int getStartOffset(){
- return startOffset;
- }
-
- public int getEndOffset(){
- return endOffset;
- }
-
- @Override
- public String toString(){
- StringBuilder sb = new StringBuilder();
- sb.append( "subInfos=(" );
- for( SubInfo si : subInfos )
- sb.append( si.toString() );
- sb.append( ")/" ).append( totalBoost ).append( '(' ).append( startOffset ).append( ',' ).append( endOffset ).append( ')' );
- return sb.toString();
- }
-
- public static class SubInfo {
- final String text; // unnecessary member, just exists for debugging purpose
- final List<Toffs> termsOffsets; // usually termsOffsets.size() == 1,
- // but if position-gap > 1 and slop > 0 then size() could be greater than 1
- int seqnum;
-
- SubInfo( String text, List<Toffs> termsOffsets, int seqnum ){
- this.text = text;
- this.termsOffsets = termsOffsets;
- this.seqnum = seqnum;
- }
-
- public List<Toffs> getTermsOffsets(){
- return termsOffsets;
- }
-
- public int getSeqnum(){
- return seqnum;
- }
-
- @Override
- public String toString(){
- StringBuilder sb = new StringBuilder();
- sb.append( text ).append( '(' );
- for( Toffs to : termsOffsets )
- sb.append( to.toString() );
- sb.append( ')' );
- return sb.toString();
- }
- }
- }
-}