Ejemplo n.º 1
0
    public Common.Signature toProto() {
      Common.Signature.Builder builder = Common.Signature.newBuilder();

      if (null != sql) {
        builder.setSql(sql);
      }

      if (null != cursorFactory) {
        builder.setCursorFactory(cursorFactory.toProto());
      }

      if (null != columns) {
        for (ColumnMetaData column : columns) {
          builder.addColumns(column.toProto());
        }
      }

      if (null != parameters) {
        for (AvaticaParameter parameter : parameters) {
          builder.addParameters(parameter.toProto());
        }
      }

      return builder.build();
    }
Ejemplo n.º 2
0
    public static Signature fromProto(Common.Signature protoSignature) {
      List<ColumnMetaData> metadata = new ArrayList<>(protoSignature.getColumnsCount());
      for (Common.ColumnMetaData protoMetadata : protoSignature.getColumnsList()) {
        metadata.add(ColumnMetaData.fromProto(protoMetadata));
      }

      List<AvaticaParameter> parameters = new ArrayList<>(protoSignature.getParametersCount());
      for (Common.AvaticaParameter protoParam : protoSignature.getParametersList()) {
        parameters.add(AvaticaParameter.fromProto(protoParam));
      }

      final Descriptor desc = protoSignature.getDescriptorForType();

      String sql = null;
      if (ProtobufService.hasField(protoSignature, desc, Common.Signature.SQL_FIELD_NUMBER)) {
        sql = protoSignature.getSql();
      }

      CursorFactory cursorFactory = null;
      if (ProtobufService.hasField(
          protoSignature, desc, Common.Signature.CURSOR_FACTORY_FIELD_NUMBER)) {
        cursorFactory = CursorFactory.fromProto(protoSignature.getCursorFactory());
      }

      return Signature.create(metadata, sql, parameters, cursorFactory);
    }