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.

        if ( rBuff.size() < 0 || rBuff.size() > rBuff.maxSize() )
            error("Misized: %s", this) ;


        for ( int i = 1 ; i < getCount() ; i++ )
        {
            Record r1 = rBuff.get(i-1) ;
            Record r2 = rBuff.get(i) ;
            if ( Record.keyGT(r1, r2) )
                error("Not sorted: %s", this) ;
        }
    }

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    @Override
    public Record find(Record record)
    {
        startReadBlkMgr() ;
        BPTreeNode root = getRoot() ;
        Record v = BPTreeNode.search(root, record) ;
        releaseRoot(root) ;
        finishReadBlkMgr() ;
        return v ;
    }

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    }
    
    @Override
    public boolean contains(Record record)
    {
        Record r = find(record) ;
        return r != null ;
    }

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    @Override
    public Record minKey()
    {
        startReadBlkMgr() ;
        BPTreeNode root = getRoot() ;
        Record r = root.minRecord();
        releaseRoot(root) ;
        finishReadBlkMgr() ;
        return r ;
    }

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    @Override
    public Record maxKey()
    {
        startReadBlkMgr() ;
        BPTreeNode root = getRoot() ;
        Record r = root.maxRecord() ;
        releaseRoot(root) ;
        finishReadBlkMgr() ;
        return r ;
    }

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    /** Add a record into the B+Tree */
    public Record addAndReturnOld(Record record)
    {
        startUpdateBlkMgr() ;
        BPTreeNode root = getRoot() ;
        Record r = BPTreeNode.insert(root, record) ;
        if ( CheckingTree ) root.checkNodeDeep() ;
        releaseRoot(root) ;
        finishUpdateBlkMgr() ;
        return r ;
    }

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    public Record deleteAndReturnOld(Record record)
    {
        startUpdateBlkMgr() ;
        BPTreeNode root = getRoot() ;
        Record r = BPTreeNode.delete(root, record) ;
        if ( CheckingTree ) root.checkNodeDeep() ;
        releaseRoot(root) ;
        finishUpdateBlkMgr() ;
        return r ;
    }

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        int i = findIndex(record) ;
        if ( i < 0 )
            i = decodeIndex(i) ;
        else
        {
            Record recordOrig = getRecordBuffer().get(i) ;
            if ( record.equals(recordOrig) )
                return false ;
            // Same key, different values. Replace.
            getRecordBuffer().set(i, record) ;
            return true ;

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            if ( currentPage != null )
                pageMgr.release(currentPage) ;
            
            RecordBufferPage nextPage = pageMgr.getReadIterator(link) ;
            // Check currentPage -> nextPage is strictly increasing keys. 
            Record r1 = currentPage.getRecordBuffer().getHigh() ;
            Record r2 = nextPage.getRecordBuffer().getLow() ;
            if ( Record.keyGE(r1, r2) )
                throw new StorageException("RecordRangeIterator: records not strictly increasing: "+r1+" // "+r2) ;
            currentPage = nextPage ;
            countBlocks++ ;
            currentIdx = 0 ;

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    public Record next()
    {
        if ( ! hasNext() )
            throw new NoSuchElementException() ;
        
        Record x = slot ;
        slot = null ;
        return x ;
    }

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Related Classes of com.hp.hpl.jena.tdb.base.record.Record

com.hp.hpl.jena.tdb.base.buffer.RecordBuffer

com.hp.hpl.jena.tdb.base.buffer.RecordBufferIterator

com.hp.hpl.jena.tdb.base.buffer.TestRecordBuffer

com.hp.hpl.jena.tdb.base.record.TestRecord

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

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$RebalenceBase

com.hp.hpl.jena.tdb.index.bplustree.BPlusTreeRewriter$RebalenceDataEnd

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