content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF 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 com.datastax.oss.driver.internal.osgi.support;
  
  import com.datastax.oss.driver.api.core.Version;
  import com.datastax.oss.driver.api.testinfra.ccm.CcmBridge;
  import com.datastax.oss.driver.api.testinfra.requirement.BackendType;
  import java.util.List;
  import java.util.Objects;
  import net.jcip.annotations.GuardedBy;
  import org.ops4j.pax.exam.TestContainer;
  import org.ops4j.pax.exam.TestProbeBuilder;
  import org.ops4j.pax.exam.spi.reactors.AllConfinedStagedReactor;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  public class CcmStagedReactor extends AllConfinedStagedReactor {
  
    private static final Logger LOGGER = LoggerFactory.getLogger(CcmStagedReactor.class);
  
    public static final CcmBridge CCM_BRIDGE;
  
    public static final Version DSE_5_0 = Objects.requireNonNull(Version.parse("5.0"));
  
    static {
      CcmBridge.Builder builder = CcmBridge.builder().withNodes(1);
      if (CcmBridge.isDistributionOf(BackendType.DSE, (dist, cass) -> dist.compareTo(DSE_5_0) >= 0)) {
        builder.withDseWorkloads("graph");
      }
      CCM_BRIDGE = builder.build();
    }
  
    @GuardedBy("this")
    private boolean running = false;
  
    public CcmStagedReactor(List<TestContainer> containers, List<TestProbeBuilder> mProbes) {
      super(containers, mProbes);
    }
  
    @Override
    public synchronized void beforeSuite() {
      if (!running) {
        LOGGER.info(
            "Starting CCM, running {} version {}",
            CcmBridge.DISTRIBUTION,
            CcmBridge.getDistributionVersion());
        CCM_BRIDGE.create();
        CCM_BRIDGE.start();
        LOGGER.info("CCM started");
        running = true;
        Runtime.getRuntime()
            .addShutdownHook(
                new Thread(
                    () -> {
                      try {
                        afterSuite();
                      } catch (Exception e) {
                        // silently remove as may have already been removed.
                      }
                    }));
      }
    }
  
    @Override
    public synchronized void afterSuite() {
      if (running) {
        LOGGER.info("Stopping CCM");
        CCM_BRIDGE.stop();
        CCM_BRIDGE.close();
        running = false;
        LOGGER.info("CCM stopped");
      }
    }
  }
  