Examples of com.hp.hpl.jena.tdb.base.record.Record

com.hp.hpl.jena.tdb.base.record.Record
A record is pair of key and value. It may be all key, in which case value is null.

        internalCheckNodeDeep() ;
        
        promote() ;
        y.promote() ;
        
        Record splitKey = y.getSplitKey() ;
        splitKey = keyRecord(splitKey) ;
        
        if ( logging )
            log.debug(format("Split key: %s", splitKey)) ;


        BPTreePage z = y.split();
        if ( logging )
        {
            log.debug(format("Split: %s", y)) ;
            log.debug(format("Split: %s", z)) ;
        }
        
        // Key only.
        if ( splitKey.hasSeparateValue() )
        {
            // [Issue: FREC]
            // This creates a empty (null-byte-initialized) value array.
            splitKey = params.getKeyFactory().create(splitKey.getKey()) ;


            // Better: but an on-disk change. This is key only.
            // splitKey = params.getKeyFactory().createKeyOnly(splitKey) ;
        }

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    @Override final
    Record getSplitKey()
    {
        int ix = params.SplitIndex ;
        Record split = records.get(ix) ; 
        return split ;
    }

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        root.internalCheckNode() ;
        root.promote() ;
        
        // Median record
        int splitIdx = root.params.SplitIndex ;
        Record rec = root.records.get(splitIdx) ;
        
        if ( logging() )
        {
            log.debug(format("** Split root %d (%s)", splitIdx, rec)) ;
            log.debug("splitRoot >>   "+root) ;

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            this.write() ;
        }
        
        // Go to bottom
        // Need to return the new key.
        Record r2 =  page.internalDelete(rec) ;
        if ( x >= 0 )
        {
            promote() ;
            // YUK
            records.set(x, keyRecord(page.maxRecord())) ;

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            log.debug(">> left:  "+left) ;
            log.debug(">> right: "+right) ;
        }
        
        // /==\ + key + /==\   ==>   /====\ 
        Record splitKey = records.get(dividingSlot) ;
        BPTreePage page = left.merge(right, splitKey) ;
        // Must release right (not done in merge)
        if ( logging() )
            log.debug("-- merge: "+page) ;

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        {
            log.debug(">> shiftRight: this:  "+this) ;
            log.debug(">> shiftRight: left:  "+left) ;
            log.debug(">> shiftRight: right: "+right) ;
        }
        Record r1 = records.get(i) ;
        Record r2 = left.shiftRight(right, r1) ;
        r2 = keyRecord(r2) ;
        this.records.set(i, r2) ;
        
        left.write() ;
        right.write() ;

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        {
            log.debug(">> shiftLeft: this:  "+this) ;
            log.debug(">> shiftLeft: left:  "+left) ;
            log.debug(">> shiftLeft: right: "+right) ;
        }
        Record r1 = records.get(i) ;
        Record r2 = left.shiftLeft(right, r1) ;
        r2 = keyRecord(r2) ;
        this.records.set(i, r2) ;
        
        left.write() ;
        right.write() ;

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        {
            if (count == 0 ) error("Node is empty - can't shift a slot out") ;
            if ( node.isFull() ) error("Destination node is full") ;
        }
        // Records: promote moving element, replace with splitKey
        Record r = this.records.getHigh() ;
        this.records.removeTop() ;
        node.records.add(0, splitKey) ;
        
        // Pointers just shift
        this.ptrs.shiftRight(node.ptrs) ;

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        if ( CheckingNode )
        {
            if ( count == 0 ) error("Node is empty - can't shift a slot out") ;
            if ( isFull() ) error("Destination node is full") ;
        }
        Record r = node.records.getLow() ;
        // Records: promote moving element, replace with splitKey
        this.records.add(splitKey) ;
        node.records.shiftDown(0) ;
        
        // Pointers just shift

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    private final String recstr(RecordBuffer records, int idx)
    {
        if ( records.isClear(idx) )
            return "----" ;


        Record r = records._get(idx) ;
        return r.toString() ;
    }

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