package org.solrmarc.index.extractor.impl.date; import java.util.Collection; //import playground.solrmarc.index.extractor.AbstractSingleValueExtractor; import org.marc4j.marc.Record; import org.solrmarc.index.extractor.AbstractMultiValueExtractor; public class DateOfPublicationValueExtractor extends AbstractMultiValueExtractor { @Override public Collection<String> extract(final Record record) { // TODO: Use VuFindIndexer#getPublicationDate(Record) return null; } }