/*
 * Copyright 2018 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 io.vertx;

import io.vertx.core.Vertx;
import io.vertx.core.impl.VertxInternal;
import io.vertx.core.logging.Logger;
import io.vertx.core.logging.LoggerFactory;
import io.vertx.ext.cluster.infinispan.InfinispanClusterManager;
import org.infinispan.health.Health;
import org.infinispan.health.HealthStatus;
import org.infinispan.manager.EmbeddedCacheManager;

import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import static java.util.concurrent.TimeUnit.*;

/**
 * @author Thomas Segismont
 */
public class Lifecycle {

  private static final Logger log = LoggerFactory.getLogger(Lifecycle.class);

  public static void closeClustered(List<Vertx> clustered) throws Exception {
    for (Vertx vertx : clustered) {
      VertxInternal vertxInternal = (VertxInternal) vertx;

      InfinispanClusterManager clusterManager = (InfinispanClusterManager) vertxInternal.getClusterManager();
      EmbeddedCacheManager cacheManager = (EmbeddedCacheManager) clusterManager.getCacheContainer();
      Health health = cacheManager.getHealth();

      SECONDS.sleep(1); // Make sure rebalancing has been triggered

      long start = System.currentTimeMillis();
      try {
        while (health.getClusterHealth().getHealthStatus() != HealthStatus.HEALTHY
          && System.currentTimeMillis() - start < MILLISECONDS.convert(2, MINUTES)) {
          MILLISECONDS.sleep(100);
        }
      } catch (Exception ignore) {
      }
      CountDownLatch latch = new CountDownLatch(1);
      vertxInternal.close(ar -> {
        if (ar.failed()) {
          log.error("Failed to shutdown vert.x", ar.cause());
        }
        latch.countDown();
      });
      latch.await(2, TimeUnit.MINUTES);
    }
  }

  private Lifecycle() {
    // Utility
  }
}

/*
 * Copyright 2018 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 io.vertx;

import io.vertx.core.Vertx;
import io.vertx.core.impl.VertxInternal;
import io.vertx.core.logging.Logger;
import io.vertx.core.logging.LoggerFactory;
import io.vertx.ext.cluster.infinispan.InfinispanClusterManager;
import org.infinispan.health.Health;
import org.infinispan.health.HealthStatus;
import org.infinispan.manager.EmbeddedCacheManager;

import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

import static java.util.concurrent.TimeUnit.*;

/**
 * @author Thomas Segismont
 */
public class Lifecycle {

  private static final Logger log = LoggerFactory.getLogger(Lifecycle.class);

  public static void closeClustered(List<Vertx> clustered) throws Exception {
    for (Vertx vertx : clustered) {
      VertxInternal vertxInternal = (VertxInternal) vertx;

      InfinispanClusterManager clusterManager = (InfinispanClusterManager) vertxInternal.getClusterManager();
      EmbeddedCacheManager cacheManager = (EmbeddedCacheManager) clusterManager.getCacheContainer();
      Health health = cacheManager.getHealth();

      SECONDS.sleep(2); // Make sure rebalancing has been triggered

      long start = System.currentTimeMillis();
      try {
        while (health.getClusterHealth().getHealthStatus() != HealthStatus.HEALTHY
          && System.currentTimeMillis() - start < MILLISECONDS.convert(2, MINUTES)) {
          MILLISECONDS.sleep(100);
        }
      } catch (Exception ignore) {
      }
      CountDownLatch latch = new CountDownLatch(1);
      vertxInternal.close(ar -> {
        if (ar.failed()) {
          log.error("Failed to shutdown vert.x", ar.cause());
        }
        latch.countDown();
      });
      latch.await(2, TimeUnit.MINUTES);
    }
  }

  private Lifecycle() {
    // Utility
  }
}

Test shutdown: wait more before testing cluster health