48 lines
1.4 KiB
Java
48 lines
1.4 KiB
Java
package it.cavallium.dbengine.lucene.searcher;
|
|
|
|
import it.cavallium.dbengine.database.LLKeyScore;
|
|
import java.io.IOException;
|
|
import org.apache.lucene.search.IndexSearcher;
|
|
import org.apache.lucene.search.Query;
|
|
import org.apache.lucene.search.ScoreMode;
|
|
import org.apache.lucene.search.Sort;
|
|
import org.jetbrains.annotations.Nullable;
|
|
import org.warp.commonutils.log.Logger;
|
|
import org.warp.commonutils.log.LoggerFactory;
|
|
|
|
public interface LuceneStreamSearcher {
|
|
|
|
Logger logger = LoggerFactory.getLogger(LuceneStreamSearcher.class);
|
|
|
|
/**
|
|
* Do a lucene query, receiving the single results using a consumer
|
|
* @param indexSearcher the index searcher, which contains all the lucene data
|
|
* @param query the query
|
|
* @param offset the offset of the first result (use 0 to disable offset)
|
|
* @param limit the maximum number of results
|
|
* @param luceneSort the sorting method used for the search
|
|
* @param scoreMode score mode
|
|
* @param minCompetitiveScore minimum score accepted
|
|
* @param keyFieldName the name of the key field
|
|
* @throws IOException thrown if there is an error
|
|
*/
|
|
LuceneSearchInstance search(IndexSearcher indexSearcher,
|
|
Query query,
|
|
int offset,
|
|
int limit,
|
|
@Nullable Sort luceneSort,
|
|
ScoreMode scoreMode,
|
|
@Nullable Float minCompetitiveScore,
|
|
String keyFieldName) throws IOException;
|
|
|
|
@FunctionalInterface
|
|
interface ResultItemConsumer {
|
|
|
|
HandleResult accept(LLKeyScore item);
|
|
}
|
|
|
|
enum HandleResult {
|
|
CONTINUE, HALT
|
|
}
|
|
}
|