| /* |
| * 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.bulkloader2; |
| |
| import java.util.Iterator ; |
| |
| import org.apache.jena.tdb.base.block.BlockMgr ; |
| import org.apache.jena.tdb.base.block.BlockMgrFactory ; |
| import org.apache.jena.tdb.base.file.FileSet ; |
| import org.apache.jena.tdb.base.file.Location ; |
| import org.apache.jena.tdb.base.record.Record ; |
| import org.apache.jena.tdb.base.record.RecordFactory ; |
| import org.apache.jena.tdb.index.RangeIndex ; |
| import org.apache.jena.tdb.index.SetupIndex ; |
| import org.apache.jena.tdb.index.bplustree.BPlusTree ; |
| import org.apache.jena.tdb.index.bplustree.BPlusTreeParams ; |
| import org.apache.jena.tdb.index.bplustree.BPlusTreeRewriter ; |
| import org.apache.jena.tdb.sys.Names ; |
| import org.apache.jena.tdb.sys.SystemTDB ; |
| |
| public class ProcRewriteIndex { |
| public static void exec(Location srcLoc, Location dstLoc, String indexName) |
| { |
| FileSet destination = new FileSet(dstLoc, indexName) ; |
| int readCacheSize = 0 ; |
| int writeCacheSize = -1 ; |
| |
| int dftKeyLength ; |
| int dftValueLength ; |
| |
| if ( indexName.length() == 3 ) { |
| dftKeyLength = SystemTDB.LenIndexTripleRecord; |
| dftValueLength = 0; |
| } else if ( indexName.length() == 4 ) { |
| dftKeyLength = SystemTDB.LenIndexQuadRecord; |
| dftValueLength = 0; |
| } else { |
| System.err.printf("Can't determine record size for %s\n", indexName); |
| return; |
| } |
| |
| RecordFactory recordFactory = null ; |
| BPlusTreeParams bptParams = null ; |
| BlockMgr blkMgrNodes ; |
| BlockMgr blkMgrRecords ; |
| int blockSize = SystemTDB.BlockSize ; |
| |
| RangeIndex rangeIndex = SetupIndex.makeRangeIndex(srcLoc, indexName, blockSize, dftKeyLength, dftValueLength, readCacheSize, writeCacheSize) ; |
| BPlusTree bpt = (BPlusTree)rangeIndex ; |
| bptParams = bpt.getParams() ; |
| recordFactory = bpt.getRecordFactory() ; |
| |
| int blockSizeNodes = blockSize ; |
| int blockSizeRecords = blockSize ; |
| |
| blkMgrNodes = BlockMgrFactory.create(destination, Names.bptExtTree, blockSizeNodes, readCacheSize, writeCacheSize) ; |
| blkMgrRecords = BlockMgrFactory.create(destination, Names.bptExtRecords, blockSizeRecords, readCacheSize, writeCacheSize) ; |
| |
| Iterator<Record> iterator = bpt.iterator() ; |
| |
| // // Fakery. |
| // blkMgrNodes = BlockMgrFactory.create(destination, Names.bptExt1, blockSize, readCacheSize, writeCacheSize) ; |
| // blkMgrRecords = BlockMgrFactory.create(destination, Names.bptExt2, blockSize, readCacheSize, writeCacheSize) ; |
| // recordFactory = new RecordFactory(dftKeyLength, dftValueLength) ; |
| // bptParams = new BPlusTreeParams(3, recordFactory) ; |
| // List<Record> data = TestBPlusTreeRewriter.createData(10, recordFactory) ; |
| // iterator = data.iterator() ; |
| |
| //System.out.println("Rewrite: "+srcLoc+" "+indexName+" --> "+destination) ; |
| |
| BPlusTree bpt2 = BPlusTreeRewriter.packIntoBPlusTree(iterator, |
| bptParams, recordFactory, |
| blkMgrNodes, blkMgrRecords) ; |
| if ( bpt2 == null ) |
| return ; |
| // |
| // Iterator<Record> iter = bpt2.iterator() ; |
| // for ( ; iter.hasNext() ; ) |
| // { |
| // Record r = iter.next() ; |
| // System.out.println(r) ; |
| // } |
| |
| bpt2.close() ; |
| } |
| } |