Examples of org.apache.thrift.TSerializer

org.apache.thrift.TSerializer
Generic utility for easily serializing objects into a byte array or Java String.


    private static String predicateToString(SlicePredicate predicate)
    {
        assert predicate != null;
        // this is so awful it's kind of cool!
        TSerializer serializer = new TSerializer(new TJSONProtocol.Factory());
        try
        {
            return serializer.toString(predicate, "UTF-8");
        }
        catch (TException e)
        {
            throw new RuntimeException(e);
        }

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    private static String cfdefToString(CfDef cfDef)
    {
        assert cfDef != null;
        // this is so awful it's kind of cool!
        TSerializer serializer = new TSerializer(new TBinaryProtocol.Factory());
        try
        {
            return Hex.bytesToHex(serializer.serialize(cfDef));
        }
        catch (TException e)
        {
            throw new RuntimeException(e);
        }

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        assert indexExpressions != null;
        // oh, you thought cfdefToString was awful?
        IndexClause indexClause = new IndexClause();
        indexClause.setExpressions(indexExpressions);
        indexClause.setStart_key("".getBytes());
        TSerializer serializer = new TSerializer(new TBinaryProtocol.Factory());
        try
        {
            return Hex.bytesToHex(serializer.serialize(indexClause));
        }
        catch (TException e)
        {
            throw new RuntimeException(e);
        }

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        dos.writeUTF(sliceCommand.column_family);
        dos.writeInt(sliceCommand.super_column == null ? 0 : sliceCommand.super_column.length);
        if (sliceCommand.super_column != null)
            dos.write(sliceCommand.super_column);


        TSerializer ser = new TSerializer(new TBinaryProtocol.Factory());
        try
        {
            byte[] serPred = ser.serialize(sliceCommand.predicate);
            dos.writeInt(serPred.length);
            dos.write(serPred);
        }
        catch (TException ex)
        {

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        assert indexExpressions != null;
        // oh, you thought cfdefToString was awful?
        IndexClause indexClause = new IndexClause();
        indexClause.setExpressions(indexExpressions);
        indexClause.setStart_key("".getBytes());
        TSerializer serializer = new TSerializer(new TBinaryProtocol.Factory());
        try
        {
            return Hex.bytesToHex(serializer.serialize(indexClause));
        }
        catch (TException e)
        {
            throw new IOException(e);
        }

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    /** convert CfDef to string */
    protected static String cfdefToString(CfDef cfDef) throws IOException
    {
        assert cfDef != null;
        // this is so awful it's kind of cool!
        TSerializer serializer = new TSerializer(new TBinaryProtocol.Factory());
        try
        {
            return Hex.bytesToHex(serializer.serialize(cfDef));
        }
        catch (TException e)
        {
            throw new IOException(e);
        }

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  public static String asBase64String(TCredentials cred) throws AccumuloSecurityException {
    return new String(Base64.encodeBase64(asByteArray(cred)), Charset.forName("UTF-8"));
  }
  
  public static byte[] asByteArray(TCredentials cred) throws AccumuloSecurityException {
    TSerializer ts = new TSerializer();
    try {
      return ts.serialize(cred);
    } catch (TException e) {
      // This really shouldn't happen
      log.error(e, e);
      throw new AccumuloSecurityException(cred.getPrincipal(), SecurityErrorCode.SERIALIZATION_ERROR);
    }

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    return ret;
  }


  public static byte[] encodeIteratorSettings(IteratorConfig iterators) {
    TSerializer tser = new TSerializer(new TBinaryProtocol.Factory());
    
    try {
      return tser.serialize(iterators);
    } catch (TException e) {
      throw new RuntimeException(e);
    }
  }

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    private static String cfdefToString(CfDef cfDef)
    {
        assert cfDef != null;
        // this is so awful it's kind of cool!
        TSerializer serializer = new TSerializer(new TBinaryProtocol.Factory());
        try
        {
            return Hex.bytesToHex(serializer.serialize(cfDef));
        }
        catch (TException e)
        {
            throw new RuntimeException(e);
        }

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        assert indexExpressions != null;
        // oh, you thought cfdefToString was awful?
        IndexClause indexClause = new IndexClause();
        indexClause.setExpressions(indexExpressions);
        indexClause.setStart_key("".getBytes());
        TSerializer serializer = new TSerializer(new TBinaryProtocol.Factory());
        try
        {
            return Hex.bytesToHex(serializer.serialize(indexClause));
        }
        catch (TException e)
        {
            throw new RuntimeException(e);
        }

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