Example usage for org.apache.lucene.search.vectorhighlight FieldFragList getFragInfos

Introduction

In this page you can find the example usage for org.apache.lucene.search.vectorhighlight FieldFragList getFragInfos.

Prototype

public List<WeightedFragInfo> getFragInfos() 

Source Link

Document

return the list of WeightedFragInfos.

Usage

From source file:com.github.hotware.lucene.extension.highlight.BaseObjectFragmentsBuilder.java

License:BEER-WARE LICENSE

@Override
public <T> List<T> createFragments(IndexReader reader, int docId, String fieldName, FieldFragList fieldFragList,
        int maxNumFragments, ObjectEncoder<T> encoder) throws IOException {

    if (maxNumFragments < 0) {
        throw new IllegalArgumentException("maxNumFragments(" + maxNumFragments + ") must be positive number.");
    }//w  w  w .j  a  v  a  2s . c  o  m

    List<WeightedFragInfo> fragInfos = fieldFragList.getFragInfos();
    Field[] values = getFields(reader, docId, fieldName);
    if (values.length == 0) {
        return null;
    }

    if (discreteMultiValueHighlighting && values.length > 1) {
        fragInfos = discreteMultiValueHighlighting(fragInfos, values);
    }

    fragInfos = getWeightedFragInfoList(fragInfos);
    int limitFragments = maxNumFragments < fragInfos.size() ? maxNumFragments : fragInfos.size();
    List<T> fragments = new ArrayList<>(limitFragments);

    for (int i = 0; i < limitFragments; ++i) {
        fragments.add(encoder.encode(fragInfos.get(i), values));
    }
    return fragments;
}

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