/**
* 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.blur.manager.writer;
import static org.junit.Assert.assertEquals;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
import org.apache.blur.server.IndexSearcherClosable;
import org.apache.blur.server.ShardContext;
import org.apache.blur.server.TableContext;
import org.apache.blur.thrift.generated.Column;
import org.apache.blur.thrift.generated.Record;
import org.apache.blur.thrift.generated.Row;
import org.apache.blur.thrift.generated.TableDescriptor;
import org.apache.blur.utils.BlurConstants;
import org.apache.lucene.analysis.core.KeywordAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.index.IndexableField;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.search.TopDocs;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.util.Version;
import org.junit.Before;
import org.junit.Test;
public class MutatableActionTest {
private static final File TMPDIR = new File("./target/tmp");
private static final String TABLE = "test";
private MutatableAction _action;
private final Random _random = new Random();
private IndexWriterConfig _conf;
private File _base;
@Before
public void setup() throws IOException {
TableContext.clear();
_base = new File(TMPDIR, "MutatableActionTest");
rmr(_base);
File file = new File(_base, TABLE);
file.mkdirs();
TableContext.clear();
TableDescriptor tableDescriptor = new TableDescriptor();
tableDescriptor.setName("test");
tableDescriptor.setTableUri(file.toURI().toString());
TableContext tableContext = TableContext.create(tableDescriptor);
ShardContext shardContext = ShardContext.create(tableContext, "test");
_action = new MutatableAction(shardContext);
_conf = new IndexWriterConfig(Version.LUCENE_43, new KeywordAnalyzer());
}
private void rmr(File file) {
if (!file.exists()) {
return;
}
if (file.isDirectory()) {
for (File f : file.listFiles()) {
rmr(f);
}
}
file.delete();
}
@Test
public void testReplaceRow() throws IOException {
RAMDirectory directory = new RAMDirectory();
DirectoryReader reader = getIndexReader(directory);
IndexWriter writer = new IndexWriter(directory, _conf.clone());
assertEquals(0, reader.numDocs());
Row row = genRow();
_action.replaceRow(row);
_action.performMutate(getSearcher(reader, directory), writer);
reader = commitAndReopen(reader, writer);
assertEquals(1, reader.numDocs());
Row row2 = new Row(row);
List<Column> cols = new ArrayList<Column>();
cols.add(new Column("n", "v"));
row2.addToRecords(new Record("1", "fam", cols));
_action.replaceRow(row2);
_action.performMutate(getSearcher(reader, directory), writer);
reader = commitAndReopen(reader, writer);
assertEquals(2, reader.numDocs());
}
private IndexSearcherClosable getSearcher(DirectoryReader reader, final Directory directory) {
return new IndexSearcherClosable(reader, null) {
@Override
public Directory getDirectory() {
return directory;
}
@Override
public void close() throws IOException {
}
};
}
@Test
public void testDeleteRecord() throws IOException {
RAMDirectory directory = new RAMDirectory();
DirectoryReader reader = getIndexReader(directory);
IndexWriter writer = new IndexWriter(directory, _conf.clone());
assertEquals(0, reader.numDocs());
Row row = genRow();
List<Column> cols = new ArrayList<Column>();
cols.add(new Column("n", "v"));
row.addToRecords(new Record("1", "fam", cols));
_action.replaceRow(row);
_action.performMutate(getSearcher(reader, directory), writer);
reader = commitAndReopen(reader, writer);
assertEquals(2, reader.numDocs());
_action.deleteRecord(row.getId(), "1");
_action.performMutate(getSearcher(reader, directory), writer);
reader = commitAndReopen(reader, writer);
assertEquals(1, reader.numDocs());
}
@Test
public void testDeleteRow() throws IOException {
RAMDirectory directory = new RAMDirectory();
DirectoryReader reader = getIndexReader(directory);
IndexWriter writer = new IndexWriter(directory, _conf.clone());
assertEquals(0, reader.numDocs());
Row row = genRow();
_action.replaceRow(row);
_action.performMutate(getSearcher(reader, directory), writer);
reader = commitAndReopen(reader, writer);
assertEquals(1, reader.numDocs());
_action.deleteRow(row.getId());
_action.performMutate(getSearcher(reader, directory), writer);
reader = commitAndReopen(reader, writer);
assertEquals(0, reader.numDocs());
}
@Test
public void testReplaceRecord() throws IOException {
RAMDirectory directory = new RAMDirectory();
DirectoryReader reader = getIndexReader(directory);
IndexWriter writer = new IndexWriter(directory, _conf.clone());
assertEquals(0, reader.numDocs());
Row row = genRow();
List<Column> cols = new ArrayList<Column>();
cols.add(new Column("n", "v"));
row.addToRecords(new Record("1", "fam", cols));
_action.replaceRow(row);
_action.performMutate(getSearcher(reader, directory), writer);
reader = commitAndReopen(reader, writer);
assertEquals(2, reader.numDocs());
cols.add(new Column("n2", "v2"));
Record record = new Record("1", "fam", cols);
_action.replaceRecord(row.getId(), record);
_action.performMutate(getSearcher(reader, directory), writer);
reader = commitAndReopen(reader, writer);
assertEquals(2, reader.numDocs());
IndexSearcher searcher = new IndexSearcher(reader);
TopDocs topDocs = searcher.search(new TermQuery(new Term(BlurConstants.ROW_ID, row.getId())), 10);
Document doc2 = searcher.doc(topDocs.scoreDocs[1].doc);
List<IndexableField> fields = doc2.getFields();
assertEquals(fields.size(), 5);
String value = doc2.get("fam.n2");
assertEquals("v2", value);
}
@Test
public void testAppendColumns() throws IOException {
RAMDirectory directory = new RAMDirectory();
DirectoryReader reader = getIndexReader(directory);
IndexWriter writer = new IndexWriter(directory, _conf.clone());
assertEquals(0, reader.numDocs());
Row row = genRow();
List<Column> cols = new ArrayList<Column>();
cols.add(new Column("n", "v"));
row.addToRecords(new Record("1", "fam", cols));
_action.replaceRow(row);
_action.performMutate(getSearcher(reader, directory), writer);
reader = commitAndReopen(reader, writer);
assertEquals(2, reader.numDocs());
cols.clear();
cols.add(new Column("n2", "v2"));
Record record = new Record("1", "fam", cols);
_action.appendColumns(row.getId(), record);
_action.performMutate(getSearcher(reader, directory), writer);
reader = commitAndReopen(reader, writer);
assertEquals(2, reader.numDocs());
IndexSearcher searcher = new IndexSearcher(reader);
TopDocs topDocs = searcher.search(new TermQuery(new Term(BlurConstants.ROW_ID, row.getId())), 10);
Document doc2 = searcher.doc(topDocs.scoreDocs[1].doc);
List<IndexableField> fields = doc2.getFields();
assertEquals(fields.size(), 5);
String value = doc2.get("fam.n2");
assertEquals("v2", value);
}
@Test
public void testReplaceColumns() throws IOException {
RAMDirectory directory = new RAMDirectory();
DirectoryReader reader = getIndexReader(directory);
IndexWriter writer = new IndexWriter(directory, _conf.clone());
assertEquals(0, reader.numDocs());
Row row = genRow();
List<Column> cols = new ArrayList<Column>();
cols.add(new Column("n", "v"));
cols.add(new Column("n1", "v1"));
row.addToRecords(new Record("1", "fam", cols));
_action.replaceRow(row);
_action.performMutate(getSearcher(reader, directory), writer);
reader = commitAndReopen(reader, writer);
assertEquals(2, reader.numDocs());
cols.clear();
cols.add(new Column("n1", "v2"));
Record record = new Record("1", "fam", cols);
_action.replaceColumns(row.getId(), record);
_action.performMutate(getSearcher(reader, directory), writer);
reader = commitAndReopen(reader, writer);
assertEquals(2, reader.numDocs());
IndexSearcher searcher = new IndexSearcher(reader);
TopDocs topDocs = searcher.search(new TermQuery(new Term(BlurConstants.ROW_ID, row.getId())), 10);
Document doc2 = searcher.doc(topDocs.scoreDocs[1].doc);
List<IndexableField> fields = doc2.getFields();
assertEquals(5, fields.size());
String value = doc2.get("fam.n1");
assertEquals("v2", value);
}
private DirectoryReader commitAndReopen(DirectoryReader reader, IndexWriter writer) throws IOException {
writer.commit();
DirectoryReader newReader = DirectoryReader.openIfChanged(reader);
if (newReader == null) {
throw new IOException("Should have new data.");
}
reader.close();
return newReader;
}
private DirectoryReader getIndexReader(RAMDirectory directory) throws IOException {
if (!DirectoryReader.indexExists(directory)) {
new IndexWriter(directory, _conf.clone()).close();
}
return DirectoryReader.open(directory);
}
private Row genRow() {
Row row = new Row();
row.setId(Long.toString(_random.nextLong()));
Record record = new Record();
record.setFamily("testing");
record.setRecordId(Long.toString(_random.nextLong()));
for (int i = 0; i < 10; i++) {
record.addToColumns(new Column("col" + i, Long.toString(_random.nextLong())));
}
row.addToRecords(record);
return row;
}
}