/*
* 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 com.hp.hpl.jena.tdb.transaction ;
import java.io.File ;
import java.nio.ByteBuffer ;
import java.util.Iterator ;
import org.junit.After ;
import org.junit.Before ;
import org.junit.Test ;
import org.openjena.atlas.junit.BaseTest ;
import org.openjena.atlas.lib.FileOps ;
import org.openjena.atlas.lib.Pair ;
import com.hp.hpl.jena.query.ReadWrite ;
import com.hp.hpl.jena.sparql.core.Quad ;
import com.hp.hpl.jena.sparql.sse.SSE ;
import com.hp.hpl.jena.tdb.ConfigTest ;
import com.hp.hpl.jena.tdb.StoreConnection ;
import com.hp.hpl.jena.tdb.TDB ;
import com.hp.hpl.jena.tdb.base.block.FileMode ;
import com.hp.hpl.jena.tdb.base.file.FileFactory ;
import com.hp.hpl.jena.tdb.base.file.Location ;
import com.hp.hpl.jena.tdb.base.objectfile.ObjectFile ;
import com.hp.hpl.jena.tdb.store.DatasetGraphTDB ;
import com.hp.hpl.jena.tdb.sys.Names ;
import com.hp.hpl.jena.tdb.sys.SystemTDB ;
import com.hp.hpl.jena.tdb.sys.TDBMaker ;
/** Test of re-attaching to a pre-existing database */
public class TestTransRestart extends BaseTest {
static {
// Only if run directly, not in test suite.
if ( false )
SystemTDB.setFileMode(FileMode.direct) ;
}
// private final String path = ( SystemTDB.isWindows ? ConfigTest.getTestingDirUnique() : ConfigTest.getTestingDirDB() ) ;
private final String path = ( SystemTDB.isWindows ? ConfigTest.getTestingDirUnique() : "/tmp/TDB" ) ;
private Location location = new Location (path) ;
private static boolean useTransactionsSetup = false ;
private static Quad quad1 = SSE.parseQuad("(_ <foo:bar> rdfs:label 'foo')") ;
private static Quad quad2 = SSE.parseQuad("(_ <foo:bar> rdfs:label 'bar')") ;
@Before public void setup() {
cleanup() ;
FileOps.ensureDir(path) ;
if ( useTransactionsSetup )
setupTxn() ;
else
setupPlain() ;
}
@After public void teardown()
{
cleanup() ;
}
private void setupPlain() {
// Make without transactions.
DatasetGraphTDB dsg = TDBMaker._createDatasetGraph(location) ;
dsg.add(quad1) ;
dsg.close() ;
// Normally done via close() but be explicit.
TDBMaker.releaseDataset(dsg) ;
return ;
}
private void setupTxn() {
StoreConnection sc = StoreConnection.make(location) ;
DatasetGraphTxn dsg = sc.begin(ReadWrite.WRITE) ;
dsg.add(quad1) ;
dsg.commit() ;
TDB.sync(dsg) ;
dsg.end() ;
StoreConnection.release(location) ;
}
private void cleanup() {
File dir = new File(path) ;
if ( dir.exists() ) {
FileOps.clearDirectory(path) ;
FileOps.deleteSilent(path) ;
}
if ( ! SystemTDB.isWindows )
// Windows, any mode, does not remove directories, at least not instantly.
assertFalse ( dir.exists() ) ;
}
@Test
public void testTxn() {
assertEquals (3, countRDFNodes()) ;
StoreConnection sc = StoreConnection.make(location) ;
DatasetGraphTxn dsg = sc.begin(ReadWrite.WRITE) ;
assertTrue(dsg.contains(quad1)) ;
dsg.add(quad2) ;
dsg.commit() ;
dsg.end() ;
StoreConnection.release(location) ;
assertEquals (4, countRDFNodes()) ;
}
@Test
public void testPlain() {
assertEquals (3, countRDFNodes()) ;
DatasetGraphTDB dsg = TDBMaker._createDatasetGraph(location) ;
assertTrue(dsg.contains(quad1)) ;
dsg.add(quad2) ;
assertTrue(dsg.contains(quad2)) ;
dsg.close() ;
TDBMaker.releaseDataset(dsg) ;
assertEquals (4, countRDFNodes()) ;
}
// Only call when the dataset is not in TDBMaker or in StoreConnection
private int countRDFNodes() {
ObjectFile objects = FileFactory.createObjectFileDisk( location.getPath(Names.indexId2Node, Names.extNodeData) ) ;
int count = 0 ;
Iterator<Pair<Long,ByteBuffer>> iter = objects.all() ;
while ( iter.hasNext() ) {
iter.next() ;
count++ ;
}
objects.close() ;
return count ;
}
}