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Elasticsearch subproject :server
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.transport;
import org.elasticsearch.cluster.node.DiscoveryNode;
public interface TransportMessageListener {
TransportMessageListener NOOP_LISTENER = new TransportMessageListener() {
};
/**
* Called once a request is received
* @param requestId the internal request ID
* @param action the request action
*
*/
default void onRequestReceived(long requestId, String action) {}
/**
* Called for every action response sent after the response has been passed to the underlying network implementation.
* @param requestId the request ID (unique per client)
* @param action the request action
* @param response the response send
*/
default void onResponseSent(long requestId, String action, TransportResponse response) {}
/***
* Called for every failed action response after the response has been passed to the underlying network implementation.
* @param requestId the request ID (unique per client)
* @param action the request action
* @param error the error sent back to the caller
*/
default void onResponseSent(long requestId, String action, Exception error) {}
/**
* Called for every request sent to a server after the request has been passed to the underlying network implementation
* @param node the node the request was sent to
* @param requestId the internal request id
* @param action the action name
* @param request the actual request
* @param finalOptions the request options
*/
default void onRequestSent(
DiscoveryNode node,
long requestId,
String action,
TransportRequest request,
TransportRequestOptions finalOptions
) {}
/**
* Called for every response received
* @param requestId the request id for this response
* @param context the response context or null if the context was already processed ie. due to a timeout.
*/
@SuppressWarnings("rawtypes")
default void onResponseReceived(long requestId, Transport.ResponseContext context) {}
}