X-Git-Url: https://git.mdrn.pl/pylucene.git/blobdiff_plain/a2e61f0c04805cfcb8706176758d1283c7e3a55c..aaeed5504b982cf3545252ab528713250aa33eed:/lucene-java-3.4.0/lucene/src/test/org/apache/lucene/index/TestLazyProxSkipping.java diff --git a/lucene-java-3.4.0/lucene/src/test/org/apache/lucene/index/TestLazyProxSkipping.java b/lucene-java-3.4.0/lucene/src/test/org/apache/lucene/index/TestLazyProxSkipping.java deleted file mode 100755 index dcdce4b..0000000 --- a/lucene-java-3.4.0/lucene/src/test/org/apache/lucene/index/TestLazyProxSkipping.java +++ /dev/null @@ -1,209 +0,0 @@ -package org.apache.lucene.index; - -/** - * 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 org.apache.lucene.analysis.MockAnalyzer; -import org.apache.lucene.analysis.WhitespaceAnalyzer; -import org.apache.lucene.document.Document; -import org.apache.lucene.document.Field; -import org.apache.lucene.search.PhraseQuery; -import org.apache.lucene.search.ScoreDoc; -import org.apache.lucene.search.Searcher; -import org.apache.lucene.store.Directory; -import org.apache.lucene.store.IndexInput; -import org.apache.lucene.store.MockDirectoryWrapper; -import org.apache.lucene.store.RAMDirectory; -import org.apache.lucene.util.LuceneTestCase; - -/** - * Tests lazy skipping on the proximity file. - * - */ -public class TestLazyProxSkipping extends LuceneTestCase { - private Searcher searcher; - private int seeksCounter = 0; - - private String field = "tokens"; - private String term1 = "xx"; - private String term2 = "yy"; - private String term3 = "zz"; - - private class SeekCountingDirectory extends MockDirectoryWrapper { - public SeekCountingDirectory(Directory delegate) { - super(random, delegate); - } - - @Override - public IndexInput openInput(String name) throws IOException { - IndexInput ii = super.openInput(name); - if (name.endsWith(".prx")) { - // we decorate the proxStream with a wrapper class that allows to count the number of calls of seek() - ii = new SeeksCountingStream(ii); - } - return ii; - } - - } - - private void createIndex(int numHits) throws IOException { - int numDocs = 500; - - Directory directory = new SeekCountingDirectory(new RAMDirectory()); - // note: test explicitly disables payloads - IndexWriter writer = new IndexWriter( - directory, - newIndexWriterConfig(TEST_VERSION_CURRENT, new WhitespaceAnalyzer(TEST_VERSION_CURRENT)). - setMaxBufferedDocs(10). - setMergePolicy(newLogMergePolicy(false)) - ); - for (int i = 0; i < numDocs; i++) { - Document doc = new Document(); - String content; - if (i % (numDocs / numHits) == 0) { - // add a document that matches the query "term1 term2" - content = this.term1 + " " + this.term2; - } else if (i % 15 == 0) { - // add a document that only contains term1 - content = this.term1 + " " + this.term1; - } else { - // add a document that contains term2 but not term 1 - content = this.term3 + " " + this.term2; - } - - doc.add(newField(this.field, content, Field.Store.YES, Field.Index.ANALYZED)); - writer.addDocument(doc); - } - - // make sure the index has only a single segment - writer.optimize(); - writer.close(); - - SegmentReader reader = SegmentReader.getOnlySegmentReader(directory); - - this.searcher = newSearcher(reader); - } - - private ScoreDoc[] search() throws IOException { - // create PhraseQuery "term1 term2" and search - PhraseQuery pq = new PhraseQuery(); - pq.add(new Term(this.field, this.term1)); - pq.add(new Term(this.field, this.term2)); - return this.searcher.search(pq, null, 1000).scoreDocs; - } - - private void performTest(int numHits) throws IOException { - createIndex(numHits); - this.seeksCounter = 0; - ScoreDoc[] hits = search(); - // verify that the right number of docs was found - assertEquals(numHits, hits.length); - - // check if the number of calls of seek() does not exceed the number of hits - assertTrue(this.seeksCounter > 0); - assertTrue(this.seeksCounter <= numHits + 1); - } - - public void testLazySkipping() throws IOException { - // test whether only the minimum amount of seeks() - // are performed - performTest(5); - searcher.close(); - performTest(10); - searcher.close(); - } - - public void testSeek() throws IOException { - Directory directory = newDirectory(); - IndexWriter writer = new IndexWriter(directory, newIndexWriterConfig( TEST_VERSION_CURRENT, new MockAnalyzer(random))); - for (int i = 0; i < 10; i++) { - Document doc = new Document(); - doc.add(newField(this.field, "a b", Field.Store.YES, Field.Index.ANALYZED)); - writer.addDocument(doc); - } - - writer.close(); - IndexReader reader = IndexReader.open(directory, true); - TermPositions tp = reader.termPositions(); - tp.seek(new Term(this.field, "b")); - for (int i = 0; i < 10; i++) { - tp.next(); - assertEquals(tp.doc(), i); - assertEquals(tp.nextPosition(), 1); - } - tp.seek(new Term(this.field, "a")); - for (int i = 0; i < 10; i++) { - tp.next(); - assertEquals(tp.doc(), i); - assertEquals(tp.nextPosition(), 0); - } - reader.close(); - directory.close(); - - } - - - // Simply extends IndexInput in a way that we are able to count the number - // of invocations of seek() - class SeeksCountingStream extends IndexInput { - private IndexInput input; - - - SeeksCountingStream(IndexInput input) { - this.input = input; - } - - @Override - public byte readByte() throws IOException { - return this.input.readByte(); - } - - @Override - public void readBytes(byte[] b, int offset, int len) throws IOException { - this.input.readBytes(b, offset, len); - } - - @Override - public void close() throws IOException { - this.input.close(); - } - - @Override - public long getFilePointer() { - return this.input.getFilePointer(); - } - - @Override - public void seek(long pos) throws IOException { - TestLazyProxSkipping.this.seeksCounter++; - this.input.seek(pos); - } - - @Override - public long length() { - return this.input.length(); - } - - @Override - public Object clone() { - return new SeeksCountingStream((IndexInput) this.input.clone()); - } - - } -}