Package com.tinkerpop.gremlin.server.op

Examples of com.tinkerpop.gremlin.server.op.OpProcessorException

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                // the processor is known so use it to evaluate the message
                objects.add(Pair.with(msg, processor.get().select(gremlinServerContext)));
            else {
                // invalid op processor selected so write back an error by way of OpProcessorException.
                final String errorMessage = String.format("Invalid OpProcessor requested [%s]", msg.getProcessor());
                throw new OpProcessorException(errorMessage, ResponseMessage.build(msg).code(ResponseStatusCode.REQUEST_ERROR_INVALID_REQUEST_ARGUMENTS).result(errorMessage).create());
            }
        } catch (OpProcessorException ope) {
            errorMeter.mark();
            logger.warn(ope.getMessage(), ope);
            channelHandlerContext.writeAndFlush(ope.getResponseMessage());
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    protected Optional<ThrowingConsumer<Context>> validateEvalMessage(final RequestMessage message) throws OpProcessorException {
        super.validateEvalMessage(message);

        if (!message.optionalArgs(Tokens.ARGS_SESSION).isPresent()) {
            final String msg = String.format("A message with an [%s] op code requires a [%s] argument.", Tokens.OPS_EVAL, Tokens.ARGS_SESSION);
            throw new OpProcessorException(msg, ResponseMessage.build(message).code(ResponseStatusCode.REQUEST_ERROR_INVALID_REQUEST_ARGUMENTS).result(msg).create());
        }

        return Optional.empty();
    }
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            case Tokens.OPS_USE:
                op = validateUseMessage(message).orElse(ControlOps::useOp);
                break;
            case Tokens.OPS_INVALID:
                final String msgInvalid = String.format("Message could not be parsed.  Check the format of the request. [%s]", message);
                throw new OpProcessorException(msgInvalid, ResponseMessage.build(message).code(ResponseStatusCode.REQUEST_ERROR_MALFORMED_REQUEST).result(msgInvalid).create());
            default:
                final String msgDefault = String.format("Message with op code [%s] is not recognized.", message.getOp());
                throw new OpProcessorException(msgDefault, ResponseMessage.build(message).code(ResponseStatusCode.REQUEST_ERROR_MALFORMED_REQUEST).result(msgDefault).create());
        }

        controlOpMeter.mark();
        return op;
    }
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    private static Optional<ThrowingConsumer<Context>> validateImportMessage(final RequestMessage message) throws OpProcessorException {
        final Optional<List> l = message.optionalArgs(Tokens.ARGS_IMPORTS);
        if (!l.isPresent()) {
            final String msg = String.format("A message with an [%s] op code requires a [%s] argument.", Tokens.OPS_IMPORT, Tokens.ARGS_IMPORTS);
            throw new OpProcessorException(msg, ResponseMessage.build(message).code(ResponseStatusCode.REQUEST_ERROR_INVALID_REQUEST_ARGUMENTS).result(msg).create());
        }

        if (l.orElse(new ArrayList()).size() == 0) {
            final String msg = String.format(
                    "A message with an [%s] op code requires that the [%s] argument has at least one import string specified.",
                    Tokens.OPS_IMPORT, Tokens.ARGS_IMPORTS);
            throw new OpProcessorException(msg, ResponseMessage.build(message).code(ResponseStatusCode.REQUEST_ERROR_INVALID_REQUEST_ARGUMENTS).result(msg).create());
        }

        return Optional.empty();
    }
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    private static Optional<ThrowingConsumer<Context>> validateShowMessage(final RequestMessage message) throws OpProcessorException {
        final Optional<String> infoType = message.optionalArgs(Tokens.ARGS_INFO_TYPE);
        if (!infoType.isPresent()) {
            final String msg = String.format("A message with an [%s] op code requires a [%s] argument.",
                    Tokens.OPS_SHOW, Tokens.ARGS_INFO_TYPE);
            throw new OpProcessorException(msg, ResponseMessage.build(message).code(ResponseStatusCode.REQUEST_ERROR_INVALID_REQUEST_ARGUMENTS).result(msg).create());
        }

        if (!Tokens.INFO_TYPES.contains(infoType.get())) {
            final String msg = String.format("A message with an [%s] op code requires a [%s] argument with one of the following values [%s].",
                    Tokens.OPS_SHOW, Tokens.ARGS_INFO_TYPE, Tokens.INFO_TYPES);
            throw new OpProcessorException(msg, ResponseMessage.build(message).code(ResponseStatusCode.REQUEST_ERROR_INVALID_REQUEST_ARGUMENTS).result(msg).create());
        }


        return Optional.empty();
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    private static Optional<ThrowingConsumer<Context>> validateUseMessage(final RequestMessage message) throws OpProcessorException {
        final Optional<List> l = message.optionalArgs(Tokens.ARGS_COORDINATES);
        if (!l.isPresent()) {
            final String msg = String.format("A message with an [%s] op code requires a [%s] argument.",
                    Tokens.OPS_USE, Tokens.ARGS_COORDINATES);
            throw new OpProcessorException(msg, ResponseMessage.build(message).code(ResponseStatusCode.REQUEST_ERROR_INVALID_REQUEST_ARGUMENTS).result(msg).create());
        }

        final List coordinates = l.orElse(new ArrayList());
        if (coordinates.size() == 0) {
            final String msg = String.format(
                    "A message with an [%s] op code requires that the [%s] argument has at least one set of valid maven coordinates specified.",
                    Tokens.OPS_USE, Tokens.ARGS_COORDINATES);
            throw new OpProcessorException(msg, ResponseMessage.build(message).code(ResponseStatusCode.REQUEST_ERROR_INVALID_REQUEST_ARGUMENTS).result(msg).create());
        }

        if (!coordinates.stream().allMatch(ControlOpProcessor::validateCoordinates)) {
            final String msg = String.format(
                    "A message with an [%s] op code requires that all [%s] specified are valid maven coordinates with a group, artifact, and version.",
                    Tokens.OPS_USE, Tokens.ARGS_COORDINATES);
            throw new OpProcessorException(msg, ResponseMessage.build(message).code(ResponseStatusCode.REQUEST_ERROR_INVALID_REQUEST_ARGUMENTS).result(msg).create());
        }

        return Optional.empty();
    }
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Related Classes of com.tinkerpop.gremlin.server.op.OpProcessorException

  • com.tinkerpop.gremlin.server.handler.OpSelectorHandler
  • com.tinkerpop.gremlin.server.op.control.ControlOpProcessor
  • com.tinkerpop.gremlin.server.op.session.SessionOpProcessor
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