yurake/k8s-3tier-webapp

package webapp.tier.service;

import java.util.logging.Level;
import java.util.logging.Logger;

import javax.enterprise.context.ApplicationScoped;
import javax.inject.Inject;

import org.eclipse.microprofile.rest.client.inject.RestClient;

import webapp.tier.service.client.ActivemqClientService;
import webapp.tier.service.client.HazelcastClientService;
import webapp.tier.service.client.MongodbClientService;
import webapp.tier.service.client.PostgresClientService;
import webapp.tier.service.client.RabbitmqClientService;
import webapp.tier.service.client.RedisClientService;

@ApplicationScoped
public class RandomService {

    @Inject
    @RestClient
    ActivemqClientService activemqresource;

    @Inject
    @RestClient
    HazelcastClientService hazelcastresource;

    @Inject
    @RestClient
    RabbitmqClientService rabbitmqresource;

    @Inject
    @RestClient
    RedisClientService redisresource;

    @Inject
    @RestClient
    PostgresClientService postgresresource;

    @Inject
    @RestClient
    MongodbClientService mongodbResource;

    private final Logger logger = Logger.getLogger(this.getClass().getSimpleName());

    public String deliverrandom(int id) {
        String response;
        switch (id) {
        case 0:
            response = stringBuild("Call: ActiveMQ Publish", activemqresource.publish());
            break;
        case 1:
            response = stringBuild("Call: RabbitMQ Publish", rabbitmqresource.publish());
            break;
        case 2:
            response = stringBuild("Call: Redis Publish", redisresource.publish());
            break;
        case 3:
            response = stringBuild("Call: Postgres Publish", postgresresource.insert());
            break;
        case 4:
            response = stringBuild("Call: Hazelcast Publish",
                    hazelcastresource.publish());
            break;
        case 5:
            response = stringBuild("Call: Mongodb Publish", mongodbResource.insert());
            break;
        default:
            logger.log(Level.SEVERE, "random Error.");
            throw new IllegalArgumentException("random error");
        }
        logger.log(Level.INFO, response);
        return response;
    }

    public int getNum(int num) {
        return (int) (Math.random() * num);
    }

    public String stringBuild(String subject, String response) {
        logger.log(Level.INFO, subject);
        StringBuilder buf = new StringBuilder();
        buf.append(subject);
        buf.append(": ");
        buf.append(response);
        return buf.toString();
    }
}