org.apache.calcite.avatica.remote

Class ProtobufHandler

java.lang.Object

org.apache.calcite.avatica.remote.AbstractHandler<byte[]>

org.apache.calcite.avatica.remote.ProtobufHandler

All Implemented Interfaces:

Handler<byte[]>

public class ProtobufHandler
extends AbstractHandler<byte[]>

Dispatches serialized protocol buffer messages to the provided Service by converting them to the POJO Request. Returns back the serialized protocol buffer response.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.calcite.avatica.remote.Handler

Handler.HandlerResponse<T>

Field Summary

Fields inherited from class org.apache.calcite.avatica.remote.AbstractHandler

service

Fields inherited from interface org.apache.calcite.avatica.remote.Handler

HANDLER_SERIALIZATION_METRICS_NAME, HTTP_BAD_REQUEST, HTTP_INTERNAL_SERVER_ERROR, HTTP_OK, HTTP_UNAUTHENTICATED, HTTP_UNAUTHORIZED

Constructor Summary

Constructors

Constructor and Description
ProtobufHandler(Service service, ProtobufTranslation translation, MetricsSystem metrics)

Method Summary

Modifier and Type	Method and Description
Handler.HandlerResponse<byte[]>	apply(byte[] requestBytes) Compute a response for the given request, handling errors generated by that computation.

Methods inherited from class org.apache.calcite.avatica.remote.AbstractHandler

badRequestErrorResponse, convertToErrorResponse, setRpcMetadata, unauthenticatedErrorResponse, unauthorizedErrorResponse

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ProtobufHandler

public ProtobufHandler(Service service,
                       ProtobufTranslation translation,
                       MetricsSystem metrics)

Method Detail

apply

public Handler.HandlerResponse<byte[]> apply(byte[] requestBytes)

Description copied from class: AbstractHandler

Compute a response for the given request, handling errors generated by that computation.

Specified by:

apply in interface Handler<byte[]>

Overrides:

apply in class AbstractHandler<byte[]>

Parameters:

requestBytes - The caller's request.

Returns:

A Service.Response with additional context about that response.