| /* |
| * 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. |
| */ |
| package org.apache.lucene.search.spans; |
| |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.apache.lucene.analysis.MockAnalyzer; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.index.IndexReader; |
| import org.apache.lucene.index.RandomIndexWriter; |
| import org.apache.lucene.index.Term; |
| import org.apache.lucene.search.CheckHits; |
| import org.apache.lucene.search.IndexSearcher; |
| import org.apache.lucene.search.Query; |
| import org.apache.lucene.search.QueryUtils; |
| import org.apache.lucene.search.QueryVisitor; |
| import org.apache.lucene.search.ScoreMode; |
| import org.apache.lucene.search.similarities.TFIDFSimilarity; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.LuceneTestCase; |
| import org.junit.AfterClass; |
| import org.junit.BeforeClass; |
| |
| import static org.apache.lucene.search.spans.SpanTestUtil.assertFinished; |
| import static org.apache.lucene.search.spans.SpanTestUtil.assertNext; |
| |
| public class TestFieldMaskingSpanQuery extends LuceneTestCase { |
| |
| protected static Document doc(Field[] fields) { |
| Document doc = new Document(); |
| for (int i = 0; i < fields.length; i++) { |
| doc.add(fields[i]); |
| } |
| return doc; |
| } |
| |
| protected static Field field(String name, String value) { |
| return newTextField(name, value, Field.Store.NO); |
| } |
| |
| protected static IndexSearcher searcher; |
| protected static Directory directory; |
| protected static IndexReader reader; |
| |
| @BeforeClass |
| public static void beforeClass() throws Exception { |
| directory = newDirectory(); |
| RandomIndexWriter writer= new RandomIndexWriter(random(), directory, newIndexWriterConfig(new MockAnalyzer(random())).setMergePolicy(newLogMergePolicy())); |
| |
| writer.addDocument(doc(new Field[] { field("id", "0") |
| , |
| field("gender", "male"), |
| field("first", "james"), |
| field("last", "jones") })); |
| |
| writer.addDocument(doc(new Field[] { field("id", "1") |
| , |
| field("gender", "male"), |
| field("first", "james"), |
| field("last", "smith") |
| , |
| field("gender", "female"), |
| field("first", "sally"), |
| field("last", "jones") })); |
| |
| writer.addDocument(doc(new Field[] { field("id", "2") |
| , |
| field("gender", "female"), |
| field("first", "greta"), |
| field("last", "jones") |
| , |
| field("gender", "female"), |
| field("first", "sally"), |
| field("last", "smith") |
| , |
| field("gender", "male"), |
| field("first", "james"), |
| field("last", "jones") })); |
| |
| writer.addDocument(doc(new Field[] { field("id", "3") |
| , |
| field("gender", "female"), |
| field("first", "lisa"), |
| field("last", "jones") |
| , |
| field("gender", "male"), |
| field("first", "bob"), |
| field("last", "costas") })); |
| |
| writer.addDocument(doc(new Field[] { field("id", "4") |
| , |
| field("gender", "female"), |
| field("first", "sally"), |
| field("last", "smith") |
| , |
| field("gender", "female"), |
| field("first", "linda"), |
| field("last", "dixit") |
| , |
| field("gender", "male"), |
| field("first", "bubba"), |
| field("last", "jones") })); |
| writer.forceMerge(1); |
| reader = writer.getReader(); |
| writer.close(); |
| searcher = new IndexSearcher(getOnlyLeafReader(reader)); |
| } |
| |
| @AfterClass |
| public static void afterClass() throws Exception { |
| searcher = null; |
| reader.close(); |
| reader = null; |
| directory.close(); |
| directory = null; |
| } |
| |
| protected void check(SpanQuery q, int[] docs) throws Exception { |
| CheckHits.checkHitCollector(random(), q, null, searcher, docs); |
| } |
| |
| public void testRewrite0() throws Exception { |
| SpanQuery q = new FieldMaskingSpanQuery |
| (new SpanTermQuery(new Term("last", "sally")) , "first"); |
| SpanQuery qr = (SpanQuery) searcher.rewrite(q); |
| |
| QueryUtils.checkEqual(q, qr); |
| |
| Set<Term> terms = new HashSet<>(); |
| qr.visit(QueryVisitor.termCollector(terms)); |
| assertEquals(1, terms.size()); |
| } |
| |
| public void testRewrite1() throws Exception { |
| // mask an anon SpanQuery class that rewrites to something else. |
| SpanQuery q = new FieldMaskingSpanQuery |
| (new SpanTermQuery(new Term("last", "sally")) { |
| @Override |
| public Query rewrite(IndexReader reader) { |
| return new SpanOrQuery(new SpanTermQuery(new Term("first", "sally")), |
| new SpanTermQuery(new Term("first", "james"))); |
| } |
| }, "first"); |
| |
| SpanQuery qr = (SpanQuery) searcher.rewrite(q); |
| |
| QueryUtils.checkUnequal(q, qr); |
| |
| Set<Term> terms = new HashSet<>(); |
| qr.visit(QueryVisitor.termCollector(terms)); |
| assertEquals(2, terms.size()); |
| } |
| |
| public void testRewrite2() throws Exception { |
| SpanQuery q1 = new SpanTermQuery(new Term("last", "smith")); |
| SpanQuery q2 = new SpanTermQuery(new Term("last", "jones")); |
| SpanQuery q = new SpanNearQuery(new SpanQuery[] |
| { q1, new FieldMaskingSpanQuery(q2, "last")}, 1, true ); |
| Query qr = searcher.rewrite(q); |
| |
| QueryUtils.checkEqual(q, qr); |
| |
| HashSet<Term> set = new HashSet<>(); |
| qr.visit(QueryVisitor.termCollector(set)); |
| assertEquals(2, set.size()); |
| } |
| |
| public void testEquality1() { |
| SpanQuery q1 = new FieldMaskingSpanQuery |
| (new SpanTermQuery(new Term("last", "sally")) , "first"); |
| SpanQuery q2 = new FieldMaskingSpanQuery |
| (new SpanTermQuery(new Term("last", "sally")) , "first"); |
| SpanQuery q3 = new FieldMaskingSpanQuery |
| (new SpanTermQuery(new Term("last", "sally")) , "XXXXX"); |
| SpanQuery q4 = new FieldMaskingSpanQuery |
| (new SpanTermQuery(new Term("last", "XXXXX")) , "first"); |
| SpanQuery q5 = new FieldMaskingSpanQuery |
| (new SpanTermQuery(new Term("xXXX", "sally")) , "first"); |
| QueryUtils.checkEqual(q1, q2); |
| QueryUtils.checkUnequal(q1, q3); |
| QueryUtils.checkUnequal(q1, q4); |
| QueryUtils.checkUnequal(q1, q5); |
| } |
| |
| public void testNoop0() throws Exception { |
| SpanQuery q1 = new SpanTermQuery(new Term("last", "sally")); |
| SpanQuery q = new FieldMaskingSpanQuery(q1, "first"); |
| check(q, new int[] { /* :EMPTY: */ }); |
| } |
| public void testNoop1() throws Exception { |
| SpanQuery q1 = new SpanTermQuery(new Term("last", "smith")); |
| SpanQuery q2 = new SpanTermQuery(new Term("last", "jones")); |
| SpanQuery q = new SpanNearQuery(new SpanQuery[] |
| { q1, new FieldMaskingSpanQuery(q2, "last")}, 0, true ); |
| check(q, new int[] { 1, 2 }); |
| q = new SpanNearQuery(new SpanQuery[] |
| { new FieldMaskingSpanQuery(q1, "last"), |
| new FieldMaskingSpanQuery(q2, "last")}, 0, true ); |
| check(q, new int[] { 1, 2 }); |
| } |
| |
| public void testSimple1() throws Exception { |
| SpanQuery q1 = new SpanTermQuery(new Term("first", "james")); |
| SpanQuery q2 = new SpanTermQuery(new Term("last", "jones")); |
| SpanQuery q = new SpanNearQuery(new SpanQuery[] |
| { q1, new FieldMaskingSpanQuery(q2, "first")}, -1, false ); |
| check(q, new int[] { 0, 2 }); |
| q = new SpanNearQuery(new SpanQuery[] |
| { new FieldMaskingSpanQuery(q2, "first"), q1}, -1, false ); |
| check(q, new int[] { 0, 2 }); |
| q = new SpanNearQuery(new SpanQuery[] |
| { q2, new FieldMaskingSpanQuery(q1, "last")}, -1, false ); |
| check(q, new int[] { 0, 2 }); |
| q = new SpanNearQuery(new SpanQuery[] |
| { new FieldMaskingSpanQuery(q1, "last"), q2}, -1, false ); |
| check(q, new int[] { 0, 2 }); |
| |
| } |
| |
| public void testSimple2() throws Exception { |
| assumeTrue("Broken scoring: LUCENE-3723", |
| searcher.getSimilarity() instanceof TFIDFSimilarity); |
| SpanQuery q1 = new SpanTermQuery(new Term("gender", "female")); |
| SpanQuery q2 = new SpanTermQuery(new Term("last", "smith")); |
| SpanQuery q = new SpanNearQuery(new SpanQuery[] |
| { q1, new FieldMaskingSpanQuery(q2, "gender")}, -1, false ); |
| check(q, new int[] { 2, 4 }); |
| q = new SpanNearQuery(new SpanQuery[] |
| { new FieldMaskingSpanQuery(q1, "id"), |
| new FieldMaskingSpanQuery(q2, "id") }, -1, false ); |
| check(q, new int[] { 2, 4 }); |
| } |
| |
| public void testSpans0() throws Exception { |
| SpanQuery q1 = new SpanTermQuery(new Term("gender", "female")); |
| SpanQuery q2 = new SpanTermQuery(new Term("first", "james")); |
| SpanQuery q = new SpanOrQuery(q1, new FieldMaskingSpanQuery(q2, "gender")); |
| check(q, new int[] { 0, 1, 2, 3, 4 }); |
| |
| Spans span = q.createWeight(searcher, ScoreMode.COMPLETE_NO_SCORES, 1f).getSpans(searcher.getIndexReader().leaves().get(0), SpanWeight.Postings.POSITIONS); |
| assertNext(span, 0,0,1); |
| assertNext(span, 1,0,1); |
| assertNext(span, 1,1,2); |
| assertNext(span, 2,0,1); |
| assertNext(span, 2,1,2); |
| assertNext(span, 2,2,3); |
| assertNext(span, 3,0,1); |
| assertNext(span, 4,0,1); |
| assertNext(span, 4,1,2); |
| assertFinished(span); |
| } |
| |
| public void testSpans1() throws Exception { |
| SpanQuery q1 = new SpanTermQuery(new Term("first", "sally")); |
| SpanQuery q2 = new SpanTermQuery(new Term("first", "james")); |
| SpanQuery qA = new SpanOrQuery(q1, q2); |
| SpanQuery qB = new FieldMaskingSpanQuery(qA, "id"); |
| |
| check(qA, new int[] { 0, 1, 2, 4 }); |
| check(qB, new int[] { 0, 1, 2, 4 }); |
| |
| Spans spanA = qA.createWeight(searcher, ScoreMode.COMPLETE_NO_SCORES, 1f).getSpans(searcher.getIndexReader().leaves().get(0), SpanWeight.Postings.POSITIONS); |
| Spans spanB = qB.createWeight(searcher, ScoreMode.COMPLETE_NO_SCORES, 1f).getSpans(searcher.getIndexReader().leaves().get(0), SpanWeight.Postings.POSITIONS); |
| |
| while (spanA.nextDoc() != Spans.NO_MORE_DOCS) { |
| assertNotSame("spanB not still going", Spans.NO_MORE_DOCS, spanB.nextDoc()); |
| while (spanA.nextStartPosition() != Spans.NO_MORE_POSITIONS) { |
| assertEquals("spanB start position", spanA.startPosition(), spanB.nextStartPosition()); |
| assertEquals("spanB end position", spanA.endPosition(), spanB.endPosition()); |
| } |
| assertEquals("spanB start position", Spans.NO_MORE_POSITIONS, spanB.nextStartPosition()); |
| } |
| assertEquals("spanB end doc", Spans.NO_MORE_DOCS, spanB.nextDoc()); |
| } |
| |
| public void testSpans2() throws Exception { |
| assumeTrue("Broken scoring: LUCENE-3723", |
| searcher.getSimilarity() instanceof TFIDFSimilarity); |
| SpanQuery qA1 = new SpanTermQuery(new Term("gender", "female")); |
| SpanQuery qA2 = new SpanTermQuery(new Term("first", "james")); |
| SpanQuery qA = new SpanOrQuery(qA1, new FieldMaskingSpanQuery(qA2, "gender")); |
| SpanQuery qB = new SpanTermQuery(new Term("last", "jones")); |
| SpanQuery q = new SpanNearQuery(new SpanQuery[] |
| { new FieldMaskingSpanQuery(qA, "id"), |
| new FieldMaskingSpanQuery(qB, "id") }, -1, false ); |
| check(q, new int[] { 0, 1, 2, 3 }); |
| |
| Spans span = q.createWeight(searcher, ScoreMode.COMPLETE_NO_SCORES, 1f).getSpans(searcher.getIndexReader().leaves().get(0), SpanWeight.Postings.POSITIONS); |
| assertNext(span, 0,0,1); |
| assertNext(span, 1,1,2); |
| assertNext(span, 2,0,1); |
| assertNext(span, 2,2,3); |
| assertNext(span, 3,0,1); |
| assertFinished(span); |
| } |
| |
| public String s(int doc, int start, int end) { |
| return "s(" + doc + "," + start + "," + end +")"; |
| } |
| |
| } |