Examples with CommandGetOrCreateSchema org.apache.pulsar.common.api.proto.CommandGetOrCreateSchema used on opensource projects

Example 1 with CommandGetOrCreateSchema

use of org.apache.pulsar.common.api.proto.CommandGetOrCreateSchema in project pulsar by apache.

the class ServerCnx method handleGetOrCreateSchema.

@Override
protected void handleGetOrCreateSchema(CommandGetOrCreateSchema commandGetOrCreateSchema) {
    if (log.isDebugEnabled()) {
        log.debug("Received CommandGetOrCreateSchema call from {}", remoteAddress);
    }
    long requestId = commandGetOrCreateSchema.getRequestId();
    String topicName = commandGetOrCreateSchema.getTopic();
    SchemaData schemaData = getSchema(commandGetOrCreateSchema.getSchema());
    SchemaData schema = schemaData.getType() == SchemaType.NONE ? null : schemaData;
    service.getTopicIfExists(topicName).thenAccept(topicOpt -> {
        if (topicOpt.isPresent()) {
            Topic topic = topicOpt.get();
            CompletableFuture<SchemaVersion> schemaVersionFuture = tryAddSchema(topic, schema);
            schemaVersionFuture.exceptionally(ex -> {
                ServerError errorCode = BrokerServiceException.getClientErrorCode(ex);
                String message = ex.getMessage();
                if (ex.getCause() != null) {
                    message += (" caused by " + ex.getCause());
                }
                commandSender.sendGetOrCreateSchemaErrorResponse(requestId, errorCode, message);
                return null;
            }).thenAccept(schemaVersion -> {
                commandSender.sendGetOrCreateSchemaResponse(requestId, schemaVersion);
            });
        } else {
            commandSender.sendGetOrCreateSchemaErrorResponse(requestId, ServerError.TopicNotFound, "Topic not found");
        }
    }).exceptionally(ex -> {
        ServerError errorCode = BrokerServiceException.getClientErrorCode(ex);
        commandSender.sendGetOrCreateSchemaErrorResponse(requestId, errorCode, ex.getMessage());
        return null;
    });
}