Package com.hp.hpl.jena.tdb.index.bplustree

Source Code of com.hp.hpl.jena.tdb.index.bplustree.BPlusTreeMaker

/*
* 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 com.hp.hpl.jena.tdb.index.bplustree;

import com.hp.hpl.jena.tdb.base.record.RecordLib;
import com.hp.hpl.jena.tdb.index.Index;
import com.hp.hpl.jena.tdb.index.RangeIndex;
import com.hp.hpl.jena.tdb.index.RangeIndexMaker;
import com.hp.hpl.jena.tdb.index.bplustree.BPlusTree;

public class BPlusTreeMaker implements RangeIndexMaker
{
    private int order ;
    private int recordOrder ;
    private boolean trackers ;


    public BPlusTreeMaker(int order, int recordOrder, boolean trackers)
    {
        this.order = order ;
        this.recordOrder = recordOrder ;
        this.trackers = trackers ;
    }
   
    @Override
    public Index makeIndex() { return makeRangeIndex() ; }

    @Override
    public RangeIndex makeRangeIndex()
    {
        BPlusTree bpTree = BPlusTree.makeMem(order, recordOrder, RecordLib.TestRecordLength, 0) ;
        if ( trackers )
            bpTree = BPlusTree.addTracking(bpTree) ;
//        System.err.println("CheckingNode = "+BPlusTreeParams.CheckingNode) ;
//        System.err.println("CheckingTree = "+BPlusTreeParams.CheckingTree) ;
        return bpTree ;
    }

    @Override
    public String getLabel() { return "B+Tree order = "+order ; }

}
TOP

Related Classes of com.hp.hpl.jena.tdb.index.bplustree.BPlusTreeMaker

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.