/**
* 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.jena.tdb.store;
import org.apache.jena.atlas.iterator.Iter ;
import org.apache.jena.atlas.junit.BaseTest ;
import org.apache.jena.query.Dataset ;
import org.apache.jena.query.ReadWrite ;
import org.apache.jena.rdf.model.Model ;
import org.apache.jena.sparql.core.DatasetGraph ;
import org.apache.jena.sparql.core.Quad ;
import org.apache.jena.sparql.sse.SSE ;
import org.apache.jena.tdb.ConfigTest ;
import org.apache.jena.tdb.StoreConnection ;
import org.apache.jena.tdb.TDB ;
import org.apache.jena.tdb.TDBFactory ;
import org.apache.jena.tdb.base.file.Location ;
import org.apache.jena.tdb.transaction.DatasetGraphTxn ;
import org.apache.jena.tdb.transaction.TDBTransactionException ;
import org.junit.After ;
import org.junit.Before ;
import org.junit.Test ;
public abstract class AbstractStoreConnections extends BaseTest
{
// Subclass to give direct and mapped versions.
// Per-test unique-ish.
static int count = 0 ;
long x = System.currentTimeMillis()+(count++) ;
Quad q = SSE.parseQuad("(<g> <s> <p> '000-"+x+"') ") ;
Quad q1 = SSE.parseQuad("(<g> <s> <p> '111-"+x+"')") ;
Quad q2 = SSE.parseQuad("(<g> <s> <p> '222-"+x+"')") ;
Quad q3 = SSE.parseQuad("(<g> <s> <p> '333-"+x+"')") ;
Quad q4 = SSE.parseQuad("(<g> <s> <p> '444-"+x+"')") ;
String DIR = null ;
@Before public void before()
{
StoreConnection.reset() ;
DIR = ConfigTest.getCleanDir() ;
}
@After public void after() {}
protected StoreConnection getStoreConnection() {
return StoreConnection.make(DIR) ;
}
@Test
public void store_0() {
// Expel.
StoreConnection sConn = getStoreConnection() ;
assertTrue(sConn.isValid());
DatasetGraphTxn dsgW1 = sConn.begin(ReadWrite.WRITE) ;
dsgW1.commit() ;
dsgW1.end() ;
StoreConnection.release(sConn.getLocation()) ;
StoreConnection sConn2 = getStoreConnection() ;
}
@Test
public void store_1() {
// Expel.
StoreConnection sConn = getStoreConnection() ;
DatasetGraphTxn dsgR1 = sConn.begin(ReadWrite.READ) ;
DatasetGraphTxn dsgW1 = sConn.begin(ReadWrite.WRITE) ;
dsgW1.add(q1) ;
dsgW1.commit() ;
dsgW1.end() ;
dsgR1.end() ;
assertTrue(sConn.isValid());
StoreConnection.release(sConn.getLocation()) ;
assertFalse(sConn.isValid());
sConn = null ;
StoreConnection sConn2 = getStoreConnection() ;
assertTrue(sConn2.isValid());
}
@Test(expected = TDBTransactionException.class)
public void store_2() {
// Expel.
StoreConnection sConn = getStoreConnection() ;
DatasetGraphTxn dsgR1 = sConn.begin(ReadWrite.READ) ;
StoreConnection.release(sConn.getLocation()) ;
}
@Test(expected = TDBTransactionException.class)
public void store_3() {
// Expel.
StoreConnection sConn = getStoreConnection() ;
DatasetGraphTxn dsgR1 = sConn.begin(ReadWrite.WRITE) ;
StoreConnection.release(sConn.getLocation()) ;
}
@Test
public void store_4() {
StoreConnection sConn = getStoreConnection() ;
DatasetGraphTxn dsgR1 = sConn.begin(ReadWrite.READ) ;
DatasetGraphTxn dsgW1 = sConn.begin(ReadWrite.WRITE) ;
dsgW1.add(q1) ;
dsgW1.commit() ;
dsgW1.end() ;
dsgR1.end() ;
StoreConnection.release(sConn.getLocation()) ;
sConn = null ;
StoreConnection sConn2 = getStoreConnection() ;
DatasetGraphTxn dsgW2 = sConn2.begin(ReadWrite.WRITE) ;
dsgW2.add(q2) ;
dsgW2.commit() ;
dsgW2.end() ;
DatasetGraphTxn dsgR2 = sConn2.begin(ReadWrite.READ) ;
long x = Iter.count(dsgR2.find()) ;
assertEquals(2, x) ;
}
@Test
public void store_5() {
// No transaction. Make sure StoreConnection.release cleans up OK.
StoreConnection sConn = getStoreConnection() ;
Location loc = sConn.getLocation() ;
DatasetGraph dsg = sConn.getBaseDataset() ;
dsg.add(q) ;
assertTrue(dsg.contains(q)) ;
StoreConnection.release(loc) ;
sConn = StoreConnection.make(loc) ;
dsg = sConn.getBaseDataset() ;
assertTrue(dsg.contains(q)) ;
}
@Test
public void store_6() {
// Transaction - release - reattach
// This tests that the dataset is sync'ed when going into transactional mode.
StoreConnection sConn = getStoreConnection() ;
Location loc = sConn.getLocation() ;
DatasetGraphTxn dsgTxn = sConn.begin(ReadWrite.WRITE) ;
dsgTxn.add(q1) ;
assertTrue(dsgTxn.contains(q1)) ;
dsgTxn.commit() ;
dsgTxn.end() ;
sConn.forceRecoverFromJournal() ;
assertTrue(sConn.getBaseDataset().contains(q1)) ;
StoreConnection.release(loc) ;
sConn = StoreConnection.make(loc) ;
DatasetGraph dsg2 = sConn.getBaseDataset() ;
assertTrue(dsg2.contains(q1)) ;
DatasetGraphTxn dsgTxn2 = sConn.begin(ReadWrite.READ) ;
assertTrue(dsgTxn2.contains(q1)) ;
dsgTxn2.end() ;
}
@Test
public void store_7() {
// No transaction, plain update, then transaction.
// This tests that the dataset is sync'ed when going into transactional mode.
boolean nonTxnData = true ;
StoreConnection sConn = getStoreConnection() ;
Location loc = sConn.getLocation() ;
DatasetGraph dsg = sConn.getBaseDataset() ;
if ( nonTxnData ) {
dsg.add(q) ;
TDB.sync(dsg) ;
assertTrue(dsg.contains(q)) ;
}
DatasetGraphTxn dsgTxn = sConn.begin(ReadWrite.WRITE) ;
if ( nonTxnData )
assertTrue(dsgTxn.contains(q)) ;
dsgTxn.add(q1) ;
assertTrue(dsgTxn.contains(q1)) ;
if ( nonTxnData )
assertTrue(dsgTxn.contains(q)) ;
dsgTxn.commit() ;
dsgTxn.end() ;
// Should have flushed to disk.
if ( nonTxnData ) {
sConn.forceRecoverFromJournal() ;
assertTrue(dsg.contains(q)) ;
}
assertTrue(dsg.contains(q1)) ;
// release via the transactional machinery
StoreConnection.release(loc) ;
sConn = null ;
StoreConnection sConn2 = StoreConnection.make(loc) ;
DatasetGraph dsg2 = sConn2.getBaseDataset() ;
if ( nonTxnData )
assertTrue(dsg2.contains(q)) ;
assertTrue(dsg2.contains(q1)) ;
DatasetGraphTxn dsgTxn2 = sConn2.begin(ReadWrite.READ) ;
if ( nonTxnData )
assertTrue(dsgTxn2.contains(q)) ;
assertTrue(dsgTxn2.contains(q1)) ;
dsgTxn2.end() ;
// Check API methods work.
Dataset ds = TDBFactory.createDataset(loc) ;
ds.begin(ReadWrite.READ) ;
Model m = (q.isDefaultGraph() ? ds.getDefaultModel() : ds.getNamedModel("g")) ;
assertEquals(nonTxnData ? 2 : 1, m.size()) ;
ds.end() ;
}
}