/**
* 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.util.Iterator ;
import org.apache.jena.atlas.lib.Lib ;
import org.apache.jena.atlas.lib.tuple.Tuple ;
import org.apache.jena.tdb.base.file.Location ;
import org.apache.jena.tdb.store.NodeId ;
import org.apache.jena.tdb.store.tupletable.TupleIndex ;
import org.apache.jena.tdb.sys.Names ;
import org.apache.jena.tdb.sys.SetupTDB ;
import org.apache.jena.tdb.sys.SystemTDB ;
/** copy one index to another, possibly changing the order */
public class tdbgenindex {
public static void main(String... argv) {
// Usage: srcLocation indexName dstLocation indexName
if ( argv.length != 4 ) {
System.err.println("Usage: " + Lib.classShortName(tdbgenindex.class) + " srcLocation srcIndex dstLocation dstIndex") ;
System.exit(1) ;
}
Location srcLoc = Location.create(argv[0]) ;
String srcIndexName = argv[1] ;
Location dstLoc = Location.create(argv[2]) ;
String dstIndexName = argv[3] ;
int readCacheSize = 0 ;
int writeCacheSize = -1 ;
if ( srcIndexName.length() != dstIndexName.length() ) {
System.err.println("srcIndexName.length() != dstIndexName.length() " + srcIndexName + " :: " + dstIndexName) ;
System.exit(1) ;
}
String primary ;
int dftKeyLength ;
int dftValueLength ;
if ( srcIndexName.length() == 3 ) {
primary = Names.primaryIndexTriples ;
dftKeyLength = SystemTDB.LenIndexTripleRecord ;
dftValueLength = 0 ;
} else if ( srcIndexName.length() == 4 ) {
primary = Names.primaryIndexQuads ;
dftKeyLength = SystemTDB.LenIndexQuadRecord ;
dftValueLength = 0 ;
} else {
System.err.println("indexlength != 3 or 4") ;
System.exit(1) ;
primary = null ;
dftKeyLength = 0 ;
dftValueLength = 0 ;
}
TupleIndex srcIdx = SetupTDB.makeTupleIndex(srcLoc, primary, srcIndexName, srcIndexName, dftKeyLength) ;
TupleIndex dstIdx = SetupTDB.makeTupleIndex(dstLoc, primary, dstIndexName, dstIndexName, dftKeyLength) ;
Iterator<Tuple<NodeId>> iter = srcIdx.all() ;
for ( ; iter.hasNext() ; ) {
Tuple<NodeId> tuple = iter.next() ;
dstIdx.add(tuple) ;
}
srcIdx.close() ;
dstIdx.close() ;
}
}