/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.dqp.internal.process;
import static org.junit.Assert.*;
import java.util.Arrays;
import java.util.List;
import org.junit.Test;
import org.teiid.cache.Cache;
import org.teiid.cache.DefaultCache;
import org.teiid.common.buffer.BufferManager;
import org.teiid.common.buffer.TupleBuffer;
import org.teiid.common.buffer.TestTupleBuffer.FakeBatchManager;
import org.teiid.core.types.DataTypeManager;
import org.teiid.core.util.UnitTestUtil;
import org.teiid.dqp.service.FakeBufferService;
import org.teiid.metadata.Table;
import org.teiid.query.processor.FakeProcessorPlan;
import org.teiid.query.processor.ProcessorPlan;
import org.teiid.query.sql.lang.Query;
import org.teiid.query.sql.symbol.ElementSymbol;
import org.teiid.query.unittest.FakeMetadataFactory;
import org.teiid.query.unittest.RealMetadataFactory;
import org.teiid.query.util.CommandContext;
@SuppressWarnings({"nls", "unchecked"})
public class TestCachedResults {
@Test
public void testCaching() throws Exception {
FakeBufferService fbs = new FakeBufferService();
ElementSymbol x = new ElementSymbol("x"); //$NON-NLS-1$
x.setType(DataTypeManager.DefaultDataClasses.INTEGER);
List<ElementSymbol> schema = Arrays.asList(x);
TupleBuffer tb = new TupleBuffer(new FakeBatchManager(), "x", schema, null, 4); //$NON-NLS-1$
tb.setForwardOnly(false);
tb.addTuple(Arrays.asList(1));
tb.addTuple(Arrays.asList(2));
tb.addTuple(Arrays.asList(3));
tb.addTuple(Arrays.asList(4));
tb.addTuple(Arrays.asList(5));
tb.addTuple(Arrays.asList(6));
tb.addTuple(Arrays.asList(7));
tb.addTuple(Arrays.asList(8));
tb.addTuple(Arrays.asList(9));
tb.addTuple(Arrays.asList(10));
tb.close();
BufferManager bm = fbs.getBufferManager();
CachedResults results = new CachedResults();
ProcessorPlan plan = new FakeProcessorPlan(0);
CommandContext cc = new CommandContext();
Table t = RealMetadataFactory.exampleBQT().getGroupID("bqt1.smalla");
cc.accessedDataObject(t);
plan.setContext(cc);
results.setResults(tb, plan);
results.setCommand(new Query());
Cache cache = new DefaultCache("dummy"); //$NON-NLS-1$
long ts = results.getAccessInfo().getCreationTime();
// simulate the jboss-cache remote transport, where the batches are remotely looked up
// in cache
for (int row=1; row<=tb.getRowCount();row+=4) {
cache.put(results.getId()+","+row, tb.getBatch(row), null); //$NON-NLS-1$
}
results.prepare(cache, bm);
CachedResults cachedResults = UnitTestUtil.helpSerialize(results);
FakeMetadataFactory.buildWorkContext(RealMetadataFactory.exampleBQT());
cachedResults.restore(cache, bm);
// since restored, simulate a async cache flush
cache.clear();
TupleBuffer cachedTb = cachedResults.getResults();
assertTrue(cachedTb.isFinal());
assertEquals(tb.getRowCount(), cachedTb.getRowCount());
assertEquals(tb.getBatchSize(), cachedTb.getBatchSize());
assertArrayEquals(tb.getBatch(1).getAllTuples(), cachedTb.getBatch(1).getAllTuples());
assertArrayEquals(tb.getBatch(9).getAllTuples(), cachedTb.getBatch(9).getAllTuples());
assertTrue(ts - cachedResults.getAccessInfo().getCreationTime() <= 5000);
}
}