HystrixWrappedPongClient.java

package org.bk.consumer.service;

import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.bk.consumer.domain.Message;
import org.bk.consumer.domain.MessageAcknowledgement;
import org.bk.consumer.feign.PongClient;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Service;

@Service("hystrixPongClient")
public class HystrixWrappedPongClient implements PongClient {

    private static final Logger LOGGER = LoggerFactory.getLogger(HystrixWrappedPongClient.class);

    @Autowired
    @Qualifier("ribbonPongClient")
    private PongClient pongClient;

    @Override
    @HystrixCommand(commandKey = "pongCommand", groupKey = "pongGroup", fallbackMethod = "fallBackCall")
    public MessageAcknowledgement sendMessage(Message message) {
        return this.pongClient.sendMessage(message);
    }

    public MessageAcknowledgement fallBackCall(Message message, Throwable e) {
        LOGGER.error("In fallback: ", e);
        MessageAcknowledgement fallback = new MessageAcknowledgement(message.getId(), message.getPayload(), "FAILED SERVICE CALL! - FALLING BACK");
        return fallback;
    }
}