/*
* 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 tdb.tools;
import java.io.PrintStream ;
import java.util.Arrays ;
import java.util.Iterator ;
import java.util.List ;
import org.apache.jena.atlas.lib.ColumnMap ;
import org.apache.jena.atlas.lib.Tuple ;
import org.apache.jena.atlas.logging.Log ;
import tdb.cmdline.ModLocation ;
import arq.cmdline.CmdGeneral ;
import com.hp.hpl.jena.sparql.util.Utils ;
import com.hp.hpl.jena.tdb.base.file.Location ;
import com.hp.hpl.jena.tdb.base.record.Record ;
import com.hp.hpl.jena.tdb.index.RangeIndex ;
import com.hp.hpl.jena.tdb.index.TupleIndex ;
import com.hp.hpl.jena.tdb.index.TupleIndexRecord ;
import com.hp.hpl.jena.tdb.index.bplustree.BPlusTree ;
import com.hp.hpl.jena.tdb.store.NodeId ;
import com.hp.hpl.jena.tdb.store.bulkloader2.IndexFactory ;
import com.hp.hpl.jena.tdb.sys.Names ;
import com.hp.hpl.jena.tdb.sys.SystemTDB ;
public class dumpbpt extends CmdGeneral
{
ModLocation modLocation = new ModLocation() ;
static public void main(String... argv)
{
Log.setLog4j() ;
new dumpbpt(argv).mainRun() ;
}
protected dumpbpt(String[] argv)
{
super(argv) ;
super.addModule(modLocation) ;
}
@Override
protected void processModulesAndArgs()
{
if ( modVersion.getVersionFlag() )
modVersion.printVersionAndExit() ;
if ( modLocation.getLocation() == null )
cmdError("Location required") ;
if ( super.getPositional().size() == 0 )
cmdError("No index specified") ;
}
@Override
protected String getSummary()
{
return getCommandName()+" --loc=DIR IndexName" ;
}
@Override
protected String getCommandName()
{
return Utils.className(this) ;
}
@Override
protected void exec()
{
List<String> tripleIndexes = Arrays.asList(Names.tripleIndexes) ;
List<String> quadIndexes = Arrays.asList(Names.quadIndexes) ;
Location loc = modLocation.getLocation() ;
// The name is the order.
for ( String indexName : super.getPositional() )
{
String primary ;
if ( indexName.length() == 3 )
{
primary = Names.primaryIndexTriples ;
}
else if ( indexName.length() == 4 )
{
primary = Names.primaryIndexQuads ;
}
else
{
cmdError("Wrong length: "+indexName) ;
primary = null ;
}
int keySubLen = SystemTDB.SizeOfNodeId ;
int keyUnitLen = indexName.length() ;
int keyLength = keySubLen*keyUnitLen ;
int valueLength = 0 ;
RangeIndex rIndex = IndexFactory.openBPT(loc, indexName,
SystemTDB.BlockReadCacheSize,
SystemTDB.BlockWriteCacheSize,
keyLength, valueLength) ;
BPlusTree bpt = (BPlusTree)rIndex ;
if ( false )
{
System.out.println("---- Index structure") ;
bpt.dump() ;
}
if ( true )
{
System.out.println("---- Index contents") ;
Iterator<Record> iter = bpt.iterator() ;
if ( ! iter.hasNext() )
System.out.println("<<Empty>>") ;
for ( ; iter.hasNext() ; )
{
Record r = iter.next();
printRecord("", System.out, r, keyUnitLen) ;
}
}
// Check.
Iterator<Record> iterCheck = bpt.iterator() ;
Record r1 = null ;
int i = 0 ;
for ( ; iterCheck.hasNext() ; )
{
Record r2 = iterCheck.next();
i++ ;
if ( r1 != null )
{
if ( ! Record.keyLT(r1, r2) )
{
System.err.println("key error@ "+i) ;
printRecord(" ", System.err, r1, keyUnitLen) ;
printRecord(" ", System.err, r2, keyUnitLen) ;
}
}
r1 = r2 ;
}
if ( false )
{
// Dump in tuple order.
TupleIndex tupleIndex = new TupleIndexRecord(primary.length(), new ColumnMap(primary, indexName), indexName, rIndex.getRecordFactory(), rIndex) ;
if ( true )
{
System.out.println("---- Tuple contents") ;
Iterator<Tuple<NodeId>> iter2 = tupleIndex.all() ;
if ( ! iter2.hasNext() )
System.out.println("<<Empty>>") ;
for ( ; iter2.hasNext() ; )
{
Tuple<NodeId> row = iter2.next();
System.out.println(row) ;
}
}
}
}
}
private static void printRecord(String label, PrintStream out, Record r, int keyUnitLen)
{
//out.println(r) ;
int keySubLen = r.getKey().length/keyUnitLen ;
if ( label != null )
out.print(label) ;
for ( int i = 0 ; i < keyUnitLen ; i++ )
{
if ( i != 0 )
out.print(" ") ;
// Print in chunks
int k = i*keySubLen ;
for ( int j = k ; j < k+keySubLen ; j++ )
out.printf("%02x", r.getKey()[j]) ;
// long x = Bytes.getLong(r.getKey(), i*SystemTDB.SizeOfNodeId) ;
// System.out.printf("%016x", x) ;
}
out.println() ;
}
}