Package org.apache.cassandra.io

Examples of org.apache.cassandra.io.DataOutputBuffer.reset()

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                    reader.seek(lowPos);

                /* read the logs populate RowMutation and apply */
                while ( !reader.isEOF() )
                {
                    bufOut.reset();
                    long bytesRead = reader.next(bufOut);
                    if ( bytesRead == -1 )
                        break;

                    bufIn.reset(bufOut.getData(), bufOut.getLength());
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        long fileSize = 0L;
       
        try
        {
            /* serialize the row */
            cfBuffer.reset();
            Row.serializer().serialize(row, cfBuffer);
            currentPosition = logWriter_.getCurrentPosition();
            cLogCtx = new CommitLogContext(logFile_, currentPosition);
            /* Update the header */
            updateHeader(row);
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        try
        {
            while ( !dataReader.isEOF() )
            {
                bufOut.reset();
                dataReader.next(bufOut);
                bufIn.reset(bufOut.getData(), bufOut.getLength());
                /* Key just read */
                String key = bufIn.readUTF();
                if ( key.equals(SSTable.blockIndexKey_) )
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        try
        {
            while ( !dataReader.isEOF() )
            {
                bufOut.reset();
                /* Record the position of the key. */
                long blockIndexOffset = dataReader.getCurrentPosition();
                dataReader.next(bufOut);
                bufIn.reset(bufOut.getData(), bufOut.getLength());
                /* Key just read */
 
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        {
            dataReader.close();
            /* Cache the bloom filter */
            SSTable.storeBloomFilter(dataFile, bf);
            /* Write the bloom filter into the index file */
            bufOut.reset();
            BloomFilter.serializer().serialize(bf, bufOut);
            byte[] bytes = new byte[bufOut.getLength()];
            System.arraycopy(bufOut.getData(), 0, bytes, 0, bytes.length);
            indexWriter.close(bytes, bytes.length);
            bufOut.close();
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      try
      {
            while ( !dataReader.isEOF() )
            {
                bufOut.reset();
                dataReader.next(bufOut);
                bufIn.reset(bufOut.getData(), bufOut.getLength());
                /* Key just read */
                String key = bufIn.readUTF();
                /* check if we want this key */
 
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            }
        });
        DataOutputBuffer buffer = new DataOutputBuffer();
        for (String key : orderedKeys)
        {
            buffer.reset();
            ColumnFamily columnFamily = columnFamilies_.get(key);
            if (columnFamily != null)
            {
                /* serialize the cf with column indexes */
                ColumnFamily.serializer().serializeWithIndexes(columnFamily, buffer);
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            }
        });
        DataOutputBuffer buffer = new DataOutputBuffer();
        for (String key : orderedKeys)
        {
            buffer.reset();
            ColumnFamily columnFamily = columnFamilies_.get(key);
            if (columnFamily != null)
            {
                /* serialize the cf with column indexes */
                ColumnFamily.serializer().serializeWithIndexes(columnFamily, buffer);
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        /* Get the first column family from list, this is just to get past validation */
        baseColumnFamily = new ColumnFamily(CFName, "Standard",DatabaseDescriptor.getComparator(Keyspace, CFName), DatabaseDescriptor.getSubComparator(Keyspace, CFName));
       
        for(ColumnFamily cf : ColumnFamiles) {
            bufOut.reset();
            try
            {
                ColumnFamily.serializer().serializeWithIndexes(cf, bufOut);
                byte[] data = new byte[bufOut.getLength()];
                System.arraycopy(bufOut.getData(), 0, data, 0, bufOut.getLength());
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        // Add rowA
        cfamily.addColumn(new QueryPath("Standard1", null, "colA".getBytes()), "valA".getBytes(), 1, false);
        ColumnFamily.serializer().serializeWithIndexes(cfamily, dob);
        writer.append(partitioner.decorateKey("rowA"), dob);
        dob.reset();
        cfamily.clear();
       
        // Add rowB
        cfamily.addColumn(new QueryPath("Standard1", null, "colB".getBytes()), "valB".getBytes(), 1, false);
        ColumnFamily.serializer().serializeWithIndexes(cfamily, dob);
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