+++ /dev/null
-package org.apache.lucene.search.payloads;
-
-/**
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF 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.
- */
-
-import java.io.IOException;
-import java.io.Reader;
-import java.util.Random;
-
-import org.apache.lucene.analysis.*;
-import org.apache.lucene.analysis.tokenattributes.PayloadAttribute;
-import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field;
-import org.apache.lucene.util.LuceneTestCase;
-import org.apache.lucene.index.IndexReader;
-import org.apache.lucene.index.IndexWriter;
-import org.apache.lucene.index.IndexWriterConfig;
-import org.apache.lucene.index.Payload;
-import org.apache.lucene.search.IndexSearcher;
-import org.apache.lucene.search.Similarity;
-import org.apache.lucene.store.Directory;
-import org.apache.lucene.store.MockDirectoryWrapper;
-import org.apache.lucene.store.RAMDirectory;
-import org.apache.lucene.util.English;
-
-import static org.apache.lucene.util.LuceneTestCase.TEST_VERSION_CURRENT;
-
-/**
- *
- *
- **/
-public class PayloadHelper {
-
- private byte[] payloadField = new byte[]{1};
- private byte[] payloadMultiField1 = new byte[]{2};
- private byte[] payloadMultiField2 = new byte[]{4};
- public static final String NO_PAYLOAD_FIELD = "noPayloadField";
- public static final String MULTI_FIELD = "multiField";
- public static final String FIELD = "field";
-
- public IndexReader reader;
-
- public final class PayloadAnalyzer extends Analyzer {
-
-
-
- @Override
- public TokenStream tokenStream(String fieldName, Reader reader) {
- TokenStream result = new LowerCaseTokenizer(TEST_VERSION_CURRENT, reader);
- result = new PayloadFilter(result, fieldName);
- return result;
- }
- }
-
- public final class PayloadFilter extends TokenFilter {
- String fieldName;
- int numSeen = 0;
- PayloadAttribute payloadAtt;
-
- public PayloadFilter(TokenStream input, String fieldName) {
- super(input);
- this.fieldName = fieldName;
- payloadAtt = addAttribute(PayloadAttribute.class);
- }
-
- @Override
- public boolean incrementToken() throws IOException {
-
- if (input.incrementToken()) {
- if (fieldName.equals(FIELD))
- {
- payloadAtt.setPayload(new Payload(payloadField));
- }
- else if (fieldName.equals(MULTI_FIELD))
- {
- if (numSeen % 2 == 0)
- {
- payloadAtt.setPayload(new Payload(payloadMultiField1));
- }
- else
- {
- payloadAtt.setPayload(new Payload(payloadMultiField2));
- }
- numSeen++;
- }
- return true;
- }
- return false;
- }
- }
-
- /**
- * Sets up a RAMDirectory, and adds documents (using English.intToEnglish()) with two fields: field and multiField
- * and analyzes them using the PayloadAnalyzer
- * @param similarity The Similarity class to use in the Searcher
- * @param numDocs The num docs to add
- * @return An IndexSearcher
- * @throws IOException
- */
- // TODO: randomize
- public IndexSearcher setUp(Random random, Similarity similarity, int numDocs) throws IOException {
- Directory directory = new MockDirectoryWrapper(random, new RAMDirectory());
- PayloadAnalyzer analyzer = new PayloadAnalyzer();
- IndexWriter writer = new IndexWriter(directory, new IndexWriterConfig(
- TEST_VERSION_CURRENT, analyzer).setSimilarity(similarity));
- // writer.infoStream = System.out;
- for (int i = 0; i < numDocs; i++) {
- Document doc = new Document();
- doc.add(new Field(FIELD, English.intToEnglish(i), Field.Store.YES, Field.Index.ANALYZED));
- doc.add(new Field(MULTI_FIELD, English.intToEnglish(i) + " " + English.intToEnglish(i), Field.Store.YES, Field.Index.ANALYZED));
- doc.add(new Field(NO_PAYLOAD_FIELD, English.intToEnglish(i), Field.Store.YES, Field.Index.ANALYZED));
- writer.addDocument(doc);
- }
- reader = IndexReader.open(writer, true);
- writer.close();
-
- IndexSearcher searcher = LuceneTestCase.newSearcher(reader);
- searcher.setSimilarity(similarity);
- return searcher;
- }
-
- public void tearDown() throws Exception {
- reader.close();
- }
-}