org.hammer.verticle.VertxProducer.java Source code

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Here is the source code for org.hammer.verticle.VertxProducer.java

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/*
 * Copyright 2017 Red Hat, Inc.
 *
 * Red Hat licenses this file to you under the Apache License, version 2.0
 * (the "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at:
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package org.hammer.verticle;

import com.hazelcast.core.HazelcastInstance;
import io.vertx.core.Vertx;
import io.vertx.core.VertxOptions;
import io.vertx.spi.cluster.hazelcast.HazelcastClusterManager;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Component;

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;

@Component
public class VertxProducer {

    @Autowired
    HazelcastInstance hazelcastInstance;

    private Vertx vertx;

    @PostConstruct
    void init() throws ExecutionException, InterruptedException {
        VertxOptions options = new VertxOptions().setClusterManager(new HazelcastClusterManager(hazelcastInstance));
        CompletableFuture<Vertx> future = new CompletableFuture<>();
        Vertx.clusteredVertx(options, ar -> {
            if (ar.succeeded()) {
                future.complete(ar.result());
            } else {
                future.completeExceptionally(ar.cause());
            }
        });
        vertx = future.get();
    }

    @Bean(destroyMethod = "")
    Vertx vertx() {
        return vertx;
    }

    @PreDestroy
    void close() throws ExecutionException, InterruptedException {
        CompletableFuture<Void> future = new CompletableFuture<>();
        vertx.close(ar -> future.complete(null));
        future.get();
    }

}