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.api.testinfra.ccm;
  
  import com.datastax.oss.driver.api.core.DefaultProtocolVersion;
  import com.datastax.oss.driver.api.core.ProtocolVersion;
  import com.datastax.oss.driver.api.core.Version;
  import com.datastax.oss.driver.api.testinfra.CassandraResourceRule;
  import com.datastax.oss.driver.api.testinfra.requirement.BackendRequirementRule;
  import com.datastax.oss.driver.api.testinfra.requirement.BackendType;
  import org.junit.AssumptionViolatedException;
  import org.junit.runner.Description;
  import org.junit.runners.model.Statement;
  
  public abstract class BaseCcmRule extends CassandraResourceRule {
  
    protected final CcmBridge ccmBridge;
  
    BaseCcmRule(CcmBridge ccmBridge) {
      this.ccmBridge = ccmBridge;
      Runtime.getRuntime()
          .addShutdownHook(
              new Thread(
                  () -> {
                    try {
                      ccmBridge.close();
                    } catch (Exception e) {
                      // silently remove as may have already been removed.
                    }
                  }));
    }
  
    @Override
    protected void before() {
      ccmBridge.create();
      ccmBridge.start();
    }
  
    @Override
    protected void after() {
      ccmBridge.close();
    }
  
    @Override
    public Statement apply(Statement base, Description description) {
      if (BackendRequirementRule.meetsDescriptionRequirements(description)) {
        return super.apply(base, description);
      } else {
        // requirements not met, throw reasoning assumption to skip test
        return new Statement() {
          @Override
          public void evaluate() {
            throw new AssumptionViolatedException(
                BackendRequirementRule.buildReasonString(description));
          }
        };
      }
    }
  
    public BackendType getDistribution() {
      return CcmBridge.DISTRIBUTION;
    }
  
    public boolean isDistributionOf(BackendType type) {
      return CcmBridge.isDistributionOf(type);
    }
  
    public boolean isDistributionOf(BackendType type, CcmBridge.VersionComparator comparator) {
      return CcmBridge.isDistributionOf(type, comparator);
    }
  
    public Version getDistributionVersion() {
      return CcmBridge.getDistributionVersion();
    }
  
    public Version getCassandraVersion() {
      return CcmBridge.getCassandraVersion();
    }
  
    @Override
    public ProtocolVersion getHighestProtocolVersion() {
      if (CcmBridge.getCassandraVersion().compareTo(Version.V2_2_0) >= 0) {
        return DefaultProtocolVersion.V4;
      } else {
        return DefaultProtocolVersion.V3;
      }
    }
  }
  