TestSegmentTermDocspublic class TestSegmentTermDocs extends TestCase | Copyright 2004 The Apache Software Foundation
Licensed 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. |
| Fields Summary |
|---|
| private Document | testDoc | | private Directory | dir |
| Constructors Summary |
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public TestSegmentTermDocs(String s)
super(s);
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| Methods Summary |
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| private void | addDoc(org.apache.lucene.index.IndexWriter writer, java.lang.String value)
Document doc = new Document();
doc.add(new Field("content", value, Field.Store.NO, Field.Index.TOKENIZED));
writer.addDocument(doc);
| | protected void | setUp()
DocHelper.setupDoc(testDoc);
DocHelper.writeDoc(dir, testDoc);
| | protected void | tearDown()
| | public void | test()
assertTrue(dir != null);
| | public void | testBadSeek()
{
//After adding the document, we should be able to read it back in
SegmentReader reader = SegmentReader.get(new SegmentInfo("test", 3, dir));
assertTrue(reader != null);
SegmentTermDocs segTermDocs = new SegmentTermDocs(reader);
assertTrue(segTermDocs != null);
segTermDocs.seek(new Term("textField2", "bad"));
assertTrue(segTermDocs.next() == false);
reader.close();
}
{
//After adding the document, we should be able to read it back in
SegmentReader reader = SegmentReader.get(new SegmentInfo("test", 3, dir));
assertTrue(reader != null);
SegmentTermDocs segTermDocs = new SegmentTermDocs(reader);
assertTrue(segTermDocs != null);
segTermDocs.seek(new Term("junk", "bad"));
assertTrue(segTermDocs.next() == false);
reader.close();
}
| | public void | testSkipTo()
Directory dir = new RAMDirectory();
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true);
Term ta = new Term("content","aaa");
for(int i = 0; i < 10; i++)
addDoc(writer, "aaa aaa aaa aaa");
Term tb = new Term("content","bbb");
for(int i = 0; i < 16; i++)
addDoc(writer, "bbb bbb bbb bbb");
Term tc = new Term("content","ccc");
for(int i = 0; i < 50; i++)
addDoc(writer, "ccc ccc ccc ccc");
// assure that we deal with a single segment
writer.optimize();
writer.close();
IndexReader reader = IndexReader.open(dir);
TermDocs tdocs = reader.termDocs();
// without optimization (assumption skipInterval == 16)
// with next
tdocs.seek(ta);
assertTrue(tdocs.next());
assertEquals(0, tdocs.doc());
assertEquals(4, tdocs.freq());
assertTrue(tdocs.next());
assertEquals(1, tdocs.doc());
assertEquals(4, tdocs.freq());
assertTrue(tdocs.skipTo(0));
assertEquals(2, tdocs.doc());
assertTrue(tdocs.skipTo(4));
assertEquals(4, tdocs.doc());
assertTrue(tdocs.skipTo(9));
assertEquals(9, tdocs.doc());
assertFalse(tdocs.skipTo(10));
// without next
tdocs.seek(ta);
assertTrue(tdocs.skipTo(0));
assertEquals(0, tdocs.doc());
assertTrue(tdocs.skipTo(4));
assertEquals(4, tdocs.doc());
assertTrue(tdocs.skipTo(9));
assertEquals(9, tdocs.doc());
assertFalse(tdocs.skipTo(10));
// exactly skipInterval documents and therefore with optimization
// with next
tdocs.seek(tb);
assertTrue(tdocs.next());
assertEquals(10, tdocs.doc());
assertEquals(4, tdocs.freq());
assertTrue(tdocs.next());
assertEquals(11, tdocs.doc());
assertEquals(4, tdocs.freq());
assertTrue(tdocs.skipTo(5));
assertEquals(12, tdocs.doc());
assertTrue(tdocs.skipTo(15));
assertEquals(15, tdocs.doc());
assertTrue(tdocs.skipTo(24));
assertEquals(24, tdocs.doc());
assertTrue(tdocs.skipTo(25));
assertEquals(25, tdocs.doc());
assertFalse(tdocs.skipTo(26));
// without next
tdocs.seek(tb);
assertTrue(tdocs.skipTo(5));
assertEquals(10, tdocs.doc());
assertTrue(tdocs.skipTo(15));
assertEquals(15, tdocs.doc());
assertTrue(tdocs.skipTo(24));
assertEquals(24, tdocs.doc());
assertTrue(tdocs.skipTo(25));
assertEquals(25, tdocs.doc());
assertFalse(tdocs.skipTo(26));
// much more than skipInterval documents and therefore with optimization
// with next
tdocs.seek(tc);
assertTrue(tdocs.next());
assertEquals(26, tdocs.doc());
assertEquals(4, tdocs.freq());
assertTrue(tdocs.next());
assertEquals(27, tdocs.doc());
assertEquals(4, tdocs.freq());
assertTrue(tdocs.skipTo(5));
assertEquals(28, tdocs.doc());
assertTrue(tdocs.skipTo(40));
assertEquals(40, tdocs.doc());
assertTrue(tdocs.skipTo(57));
assertEquals(57, tdocs.doc());
assertTrue(tdocs.skipTo(74));
assertEquals(74, tdocs.doc());
assertTrue(tdocs.skipTo(75));
assertEquals(75, tdocs.doc());
assertFalse(tdocs.skipTo(76));
//without next
tdocs.seek(tc);
assertTrue(tdocs.skipTo(5));
assertEquals(26, tdocs.doc());
assertTrue(tdocs.skipTo(40));
assertEquals(40, tdocs.doc());
assertTrue(tdocs.skipTo(57));
assertEquals(57, tdocs.doc());
assertTrue(tdocs.skipTo(74));
assertEquals(74, tdocs.doc());
assertTrue(tdocs.skipTo(75));
assertEquals(75, tdocs.doc());
assertFalse(tdocs.skipTo(76));
tdocs.close();
reader.close();
dir.close();
| | public void | testTermDocs()
//After adding the document, we should be able to read it back in
SegmentReader reader = SegmentReader.get(new SegmentInfo("test", 1, dir));
assertTrue(reader != null);
SegmentTermDocs segTermDocs = new SegmentTermDocs(reader);
assertTrue(segTermDocs != null);
segTermDocs.seek(new Term(DocHelper.TEXT_FIELD_2_KEY, "field"));
if (segTermDocs.next() == true)
{
int docId = segTermDocs.doc();
assertTrue(docId == 0);
int freq = segTermDocs.freq();
assertTrue(freq == 3);
}
reader.close();
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