Example usage for org.apache.solr.schema FieldType indexedToReadable

Introduction

In this page you can find the example usage for org.apache.solr.schema FieldType indexedToReadable.

Prototype

public CharsRef indexedToReadable(BytesRef input, CharsRefBuilder output) 

Source Link

Document

Given an indexed term, append the human readable representation

Usage

From source file:in.geocoder.component.GeocodingComponent.java

License:Apache License

private NamedList<Integer> getTerms(SolrIndexSearcher searcher, IndexSchema schema, String field)
        throws IOException {
    NamedList<Object> termsResult = new SimpleOrderedMap<Object>();

    boolean sort = true;

    boolean raw = false;

    final AtomicReader indexReader = searcher.getAtomicReader();
    Fields lfields = indexReader.fields();

    NamedList<Integer> fieldTerms = new NamedList<Integer>();
    termsResult.add(field, fieldTerms);/* w  w  w  .j  av a2 s .  c om*/

    Terms terms = lfields == null ? null : lfields.terms(field);
    if (terms == null) {
        // no terms for this field
        return new NamedList<Integer>();
    }

    FieldType ft = raw ? null : schema.getFieldTypeNoEx(field);
    if (ft == null)
        ft = new StrField();

    TermsEnum termsEnum = terms.iterator(null);
    BytesRef term = null;

    term = termsEnum.next();

    BoundedTreeSet<CountPair<BytesRef, Integer>> queue = (sort
            ? new BoundedTreeSet<CountPair<BytesRef, Integer>>(Integer.MAX_VALUE)
            : null);
    CharsRef external = new CharsRef();
    while (term != null) {
        boolean externalized = false; // did we fill in "external" yet for this term?

        // This is a good term in the range.  Check if mincount/maxcount conditions are satisfied.
        int docFreq = termsEnum.docFreq();
        // add the term to the list
        if (sort) {
            queue.add(new CountPair<BytesRef, Integer>(BytesRef.deepCopyOf(term), docFreq));
        } else {
            // TODO: handle raw somehow
            if (!externalized) {
                ft.indexedToReadable(term, external);
            }
            fieldTerms.add(external.toString(), docFreq);
        }

        term = termsEnum.next();
    }

    if (sort) {
        for (CountPair<BytesRef, Integer> item : queue) {
            ft.indexedToReadable(item.key, external);
            fieldTerms.add(external.toString(), item.val);
        }
    }

    return fieldTerms;
}

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