/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Created on Feb 7, 2007
*/
package com.bigdata.journal;
import java.util.UUID;
import com.bigdata.btree.BTree;
import com.bigdata.btree.HTreeIndexMetadata;
import com.bigdata.btree.IndexMetadata;
import com.bigdata.htree.HTree;
/**
* Test suite for api supporting registration, lookup, use, and atomic commit of
* named indices.
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
* @version $Id$
*/
public class TestNamedIndices extends ProxyTestCase<Journal> {
public TestNamedIndices() {
}
public TestNamedIndices(final String name) {
super(name);
}
/**
* Test the ability to register and use named {@link BTree}, including
* whether the named {@link BTree} is restart safe.
*/
public void test_registerAndUseBTree() {
Journal journal = new Journal(getProperties());
try {
final String name = "abc";
final UUID indexUUID = UUID.randomUUID();
final IndexMetadata metadata = new IndexMetadata(indexUUID);
// BTree btree;
{
metadata.setBranchingFactor(3);
// btree = BTree.create(journal, metadata);
}
assertNull(journal.getIndex(name));
BTree btree = (BTree) journal.register(name, metadata);
assertTrue(btree == journal.getIndex(name));
final byte[] k0 = new byte[] { 0 };
final byte[] v0 = new byte[] { 1, 2, 3 };
btree.insert(k0, v0);
/*
* commit and close the journal
*/
journal.commit();
if (journal.isStable()) {
/*
* re-open the journal and test restart safety.
*/
journal = reopenStore(journal);
btree = (BTree) journal.getIndex(name);
assertNotNull("btree", btree);
assertEquals("indexUUID", indexUUID, btree.getIndexMetadata()
.getIndexUUID());
assertEquals("entryCount", 1, btree.getEntryCount());
assertEquals(v0, btree.lookup(k0));
}
} finally {
journal.destroy();
}
}
/**
* Test the ability to register and use named {@link HTree}, including
* whether the named {@link HTree} is restart safe.
*/
public void test_registerAndUseHTree() {
Journal journal = new Journal(getProperties());
try {
final String name = "abc";
final UUID indexUUID = UUID.randomUUID();
assertNull(journal.getUnisolatedIndex(name));
final HTreeIndexMetadata metadata = new HTreeIndexMetadata(
name, indexUUID);
// final HTree htree0 = HTree.create(journal, metadata);
final HTree htree0 = (HTree) journal.register(name, metadata);
HTree htree1 = (HTree) journal.getUnisolatedIndex(name);
// same reference.
assertTrue(htree0 == htree1);
final byte[] k0 = new byte[] { 0 };
final byte[] v0 = new byte[] { 1, 2, 3 };
htree1.insert(k0, v0);
/*
* commit and close the journal
*/
journal.commit();
if (journal.isStable()) {
/*
* re-open the journal and test restart safety.
*/
journal = reopenStore(journal);
htree1 = (HTree) journal.getUnisolatedIndex(name);
assertNotNull("btree", htree1);
assertEquals("indexUUID", indexUUID, htree1.getIndexMetadata()
.getIndexUUID());
assertEquals("entryCount", 1, htree1.getEntryCount());
assertEquals(v0, htree1.lookupFirst(k0));
}
} finally {
journal.destroy();
}
}
// /**
// * FIXME GIST : Test for Stream as well. We should define a basic Stream
// * that handles byte[]s, much like the basic BTree or HTree. That way it can
// * be a concrete class and used for a variety of things.
// *
// * @see <a href="https://sourceforge.net/apps/trac/bigdata/ticket/585"> GIST
// * </a>
// */
// public void testRegisterAndUseStream() {
//
// Journal journal = new Journal(getProperties());
//
// try {
//
// final String name = "abc";
//
// final UUID indexUUID = UUID.randomUUID();
//
// assertNull(journal.getUnisolatedIndex(name));
//
// final StreamIndexMetadata metadata = new StreamIndexMetadata(name,
// indexUUID);
//
// journal.register(name, metadata);
//
// Stream stream = (Stream) journal.getUnisolatedIndex(name);
//
// final byte[][] expected = new byte[][] {//
// new byte[] { 0 },//
// new byte[] { 1, 2, 3 },
// };
//
// stream.write(new CloseableIteratorWrapper<byte[]>(Arrays.asList(
// expected).iterator()));
//
// /*
// * commit and close the journal
// */
// journal.commit();
//
// if (journal.isStable()) {
//
// /*
// * re-open the journal and test restart safety.
// */
// journal = reopenStore(journal);
//
// stream = (Stream) journal.getUnisolatedIndex(name);
//
// assertNotNull(stream);
//
// assertEquals("indexUUID", indexUUID, stream.getIndexMetadata()
// .getIndexUUID());
//
// assertEquals("rangeCount", 1L, stream.rangeCount());
//
// @SuppressWarnings("unchecked")
// final ICloseableIterator<byte[]> itr = (ICloseableIterator<byte[]>) stream
// .scan();
//
// for (byte[] ex : expected) {
//
// final byte[] ac = itr.next();
//
// assertTrue(BytesUtil.bytesEqual(ex, ac));
//
// }
//
// }
//
// } finally {
//
// journal.destroy();
//
// }
//
// }
}