/*
* Licensed to Elastic Search and Shay Banon under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. Elastic Search 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.
*/
package org.elasticsearch.search.highlight.vectorhighlight;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.search.vectorhighlight.BoundaryScanner;
import org.apache.lucene.search.vectorhighlight.XScoreOrderFragmentsBuilder;
import org.elasticsearch.index.mapper.FieldMapper;
import org.elasticsearch.search.internal.SearchContext;
import org.elasticsearch.search.lookup.SearchLookup;
import java.io.IOException;
import java.util.List;
/**
*
*/
public class SourceScoreOrderFragmentsBuilder extends XScoreOrderFragmentsBuilder {
private final FieldMapper mapper;
private final SearchContext searchContext;
public SourceScoreOrderFragmentsBuilder(FieldMapper mapper, SearchContext searchContext,
String[] preTags, String[] postTags, BoundaryScanner boundaryScanner) {
super(preTags, postTags, boundaryScanner);
this.mapper = mapper;
this.searchContext = searchContext;
}
@Override
protected Field[] getFields(IndexReader reader, int docId, String fieldName) throws IOException {
// we know its low level reader, and matching docId, since that's how we call the highlighter with
SearchLookup lookup = searchContext.lookup();
lookup.setNextReader(reader);
lookup.setNextDocId(docId);
List<Object> values = lookup.source().extractRawValues(mapper.names().sourcePath());
Field[] fields = new Field[values.size()];
for (int i = 0; i < values.size(); i++) {
fields[i] = new Field(mapper.names().indexName(), values.get(i).toString(), Field.Store.NO, Field.Index.ANALYZED);
}
return fields;
}
}