Package org.iq80.leveldb

Examples of org.iq80.leveldb.DBIterator

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    }

    private void readSequential()
    {
        for (int loops = 0; loops < 5; loops++) {
            DBIterator iterator = db.iterator();
            for (int i = 0; i < reads && iterator.hasNext(); i++) {
                Map.Entry<byte[], byte[]> entry = iterator.next();
                bytes += entry.getKey().length + entry.getValue().length;
                finishedSingleOp();
            }
            Closeables.closeQuietly(iterator);
        }
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   private String getQualifiedExpiredLocation() {
      return configuration.expiredLocation() + sanitizedCacheName();
   }

   private Options dataDbOptions() {
      Options options = new Options().createIfMissing(true);

      options.compressionType(CompressionType.valueOf(configuration.compressionType().name()));

      if (configuration.blockSize() != null) {
         options.blockSize(configuration.blockSize());
      }

      if (configuration.cacheSize() != null) {
         options.cacheSize(configuration.cacheSize());
      }

      return options;
   }
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      return options;
   }

   private Options expiredDbOptions() {
      return new Options().createIfMissing(true);
   }
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    protected OutputStream wrapOutputStream(OutputStream underlying) throws IOException {
        return new SnappyOutputStream(underlying);
    }

    protected InputStream wrapInputStream(InputStream underlying) throws IOException {
        return new SnappyInputStream(underlying);
    }
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        snappyOutputStream.close();
    }

    public static ChannelBuffer decompress(ChannelBuffer in) throws IOException {
        ChannelBufferInputStream channelBufferInputStream = new ChannelBufferInputStream(in);
        SnappyInputStream inputStream = new SnappyInputStream(channelBufferInputStream);
        ChannelBuffer channelBuffer = ChannelBuffers.copiedBuffer(ByteStreams.toByteArray(inputStream));
        return channelBuffer;
    }
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        return channelBuffer;
    }

    public static byte[] decompress(byte[] in) throws IOException {
        ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(in);
        SnappyInputStream inputStream = new SnappyInputStream(byteArrayInputStream);
        return ByteStreams.toByteArray(inputStream);
    }
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    public static <T> T decode(byte[] cryptedBytes, Class<T> clazz) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, IllegalBlockSizeException, BadPaddingException, DecoderException, IOException {
        byte[] bytes = cipherDecrypt.get().doFinal(cryptedBytes);


        SnappyInputStream snappyInputStream = new SnappyInputStream(new ByteArrayInputStream(bytes));


        //MessagePack messagePack = new MessagePack();
        return messagePack.read(ByteStreams.toByteArray(snappyInputStream), clazz);
    }
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    public String getType() {
        return "snappy";
    }

    protected OutputStream wrapOutputStream(OutputStream underlying) throws IOException {
        return new SnappyOutputStream(underlying);
    }
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        return byteArrayOutputStream.toByteArray();
    }

    public static void compress(byte[] in, OutputStream out) throws IOException {
        SnappyOutputStream snappyOutputStream = new SnappyOutputStream(out);
        snappyOutputStream.write(in);
        snappyOutputStream.close();
    }
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        byte[] origBytes = messagePack.write(object);
        System.out.println("orig length: " + origBytes.length);

        ByteArrayOutputStream out = new ByteArrayOutputStream();
        SnappyOutputStream snappyOutputStream = new SnappyOutputStream(out);
        snappyOutputStream.write(origBytes);
        snappyOutputStream.close();

        byte[] comressedBytes = out.toByteArray();
        System.out.println("comressedBytes length: " + comressedBytes.length);

        byte[] bytes = cipherEncrypt.get().doFinal(comressedBytes);
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Related Classes of org.iq80.leveldb.DBIterator

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  • co.cask.cdap.data2.dataset2.lib.table.leveldb.LevelDBOrderedTableService
  • com.alexkasko.springjdbc.compress.SnappyCompressor
  • com.cloudhopper.datastore.leveldb.LevelDbDataStore
  • com.fasterxml.storemate.backend.leveldb.LevelDBBuilder
  • com.google.common.util.concurrent.ThreadFactoryBuilder
  • com.nabalive.server.web.DataUtil
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