Package com.hp.hpl.jena.tdb.base.recordbuffer

Examples of com.hp.hpl.jena.tdb.base.recordbuffer.RecordBufferPageMgr

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    }
   
    /*public*/private static void bpt_scan_record_buffer(BlockMgr blkMgr, boolean verbose)
    {
        RecordFactory f = SystemTDB.indexRecordTripleFactory ;
        RecordBufferPageMgr recordPageMgr = new RecordBufferPageMgr(f, blkMgr) ;
        bpt_scan_record_buffer(recordPageMgr,verbose) ;
    }
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        {
            divider() ;
            System.out.println("---- Data level") ;
        }

        final RecordBufferPageMgr mgr = bpt.getRecordsMgr().getRecordBufferPageMgr() ;
        Iterator<RecordBufferPage> iter = new RecordBufferPageLinker(new RecordBufferPagePacker(records, mgr)) ;

        Transform<RecordBufferPage, Pair<Integer, Record>> transform = new Transform<RecordBufferPage, Pair<Integer, Record>>()
        {
            @Override
            public Pair<Integer, Record> convert(RecordBufferPage rbp)
            {
                mgr.put(rbp) ;
                Record r = rbp.getRecordBuffer().getHigh() ;
                r = bpt.getRecordFactory().createKeyOnly(r) ;
                return new Pair<Integer, Record>(rbp.getId(), r) ;
            }
        } ;
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        }
       
        @Override
        protected Record rebalance(int id1, Record r1, int id2, Record r2)
        {
            RecordBufferPageMgr mgr = bpt.getRecordsMgr().getRecordBufferPageMgr() ;
            RecordBufferPage page1 = mgr.getWrite(id1) ;
            RecordBufferPage page2 = mgr.getWrite(id2) ;
           
            // Wrong calculatation.
            for ( int i = page2.getCount() ; i <  page1.getMaxSize()/2 ; i++ )
            {
                //shiftOneup(node1, node2) ;
                Record r = page1.getRecordBuffer().getHigh() ;
                page1.getRecordBuffer().removeTop() ;

                page2.getRecordBuffer().add(0, r) ;
            }

            mgr.put(page1) ;
            mgr.put(page2) ;
           
            Record splitPoint = page1.getRecordBuffer().getHigh() ;
            splitPoint = bpt.getRecordFactory().createKeyOnly(splitPoint) ;
            //Record splitPoint = node1.maxRecord() ;
            return splitPoint ;
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    }
   
    /*public*/private static void bpt_scan_record_buffer(BlockMgr blkMgr, boolean verbose)
    {
        RecordFactory f = SystemTDB.indexRecordTripleFactory ;
        RecordBufferPageMgr recordPageMgr = new RecordBufferPageMgr(f, blkMgr) ;
        bpt_scan_record_buffer(recordPageMgr,verbose) ;
    }
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    private BPlusTree(BPlusTreeParams params, BlockMgr blkMgrNodes, BlockMgr blkMgrRecords)
    {
        // Consistency checks.
        this.bpTreeParams = params ;
        this.nodeManager = new BPTreeNodeMgr(this, blkMgrNodes) ;
        RecordBufferPageMgr recordPageMgr = new RecordBufferPageMgr(params.getRecordFactory(), blkMgrRecords) ;
        recordsMgr = new BPTreeRecordsMgr(this, recordPageMgr) ;
    }
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    {
        // Look for starting RecordsBufferPage id.
        int id = BPTreeNode.recordsPageId(node, fromRec) ;
        if ( id < 0 )
            return Iter.nullIter() ;
        RecordBufferPageMgr pageMgr = node.getBPlusTree().getRecordsMgr().getRecordBufferPageMgr() ;
        // No pages are active at this point.
        return RecordRangeIterator.iterator(id, fromRec, toRec, pageMgr) ;
    }
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        {
            divider() ;
            System.out.println("---- Data level") ;
        }

        final RecordBufferPageMgr mgr = bpt.getRecordsMgr().getRecordBufferPageMgr() ;
        Iterator<RecordBufferPage> iter = new RecordBufferPageLinker(new RecordBufferPagePacker(records, mgr)) ;

        Transform<RecordBufferPage, Pair<Integer, Record>> transform = new Transform<RecordBufferPage, Pair<Integer, Record>>()
        {
            @Override
            public Pair<Integer, Record> convert(RecordBufferPage rbp)
            {
                mgr.put(rbp) ;
                Record r = rbp.getRecordBuffer().getHigh() ;
                r = bpt.getRecordFactory().createKeyOnly(r) ;
                return new Pair<Integer, Record>(rbp.getId(), r) ;
            }
        } ;
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        }
       
        @Override
        protected Record rebalance(int id1, Record r1, int id2, Record r2)
        {
            RecordBufferPageMgr mgr = bpt.getRecordsMgr().getRecordBufferPageMgr() ;
            RecordBufferPage page1 = mgr.getWrite(id1) ;
            RecordBufferPage page2 = mgr.getWrite(id2) ;
           
            // Wrong calculatation.
            for ( int i = page2.getCount() ; i <  page1.getMaxSize()/2 ; i++ )
            {
                //shiftOneup(node1, node2) ;
                Record r = page1.getRecordBuffer().getHigh() ;
                page1.getRecordBuffer().removeTop() ;

                page2.getRecordBuffer().add(0, r) ;
            }

            mgr.put(page1) ;
            mgr.put(page2) ;
           
            Record splitPoint = page1.getRecordBuffer().getHigh() ;
            splitPoint = bpt.getRecordFactory().createKeyOnly(splitPoint) ;
            //Record splitPoint = node1.maxRecord() ;
            return splitPoint ;
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    private BPlusTree(BPlusTreeParams params, BlockMgr blkMgrNodes, BlockMgr blkMgrRecords)
    {
        // Consistency checks.
        this.bpTreeParams = params ;
        this.nodeManager = new BPTreeNodeMgr(this, blkMgrNodes) ;
        RecordBufferPageMgr recordPageMgr = new RecordBufferPageMgr(params.getRecordFactory(), blkMgrRecords) ;
        recordsMgr = new BPTreeRecordsMgr(this, recordPageMgr) ;
    }
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    {
        // Look for starting RecordsBufferPage id.
        int id = BPTreeNode.recordsPageId(node, fromRec) ;
        if ( id < 0 )
            return Iter.nullIter() ;
        RecordBufferPageMgr pageMgr = node.getBPlusTree().getRecordsMgr().getRecordBufferPageMgr() ;
        // No pages are active at this point.
        return RecordRangeIterator.iterator(id, fromRec, toRec, pageMgr) ;
    }
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Related Classes of com.hp.hpl.jena.tdb.base.recordbuffer.RecordBufferPageMgr

  • com.hp.hpl.jena.tdb.base.block.Block
  • com.hp.hpl.jena.tdb.base.recordbuffer.RecordBufferPage
  • com.hp.hpl.jena.tdb.base.recordfile.TestRecordBufferPage
  • com.hp.hpl.jena.tdb.index.bplustree.BPlusTree
  • com.hp.hpl.jena.tdb.index.bplustree.BPlusTreeRewriter
  • com.hp.hpl.jena.tdb.index.bplustree.BPlusTreeRewriter$RebalenceDataEnd
  • com.hp.hpl.jena.tdb.index.bplustree.BPlusTreeTools
  • com.hp.hpl.jena.tdb.index.bplustree.TestBPTreeRecords
  • java.nio.ByteBuffer
  • com.hp.hpl.jena.tdb.base.record.RecordException
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