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 org.apache.cassandra.sidecar.adapters.base.jmx;
  
  import java.io.IOException;
  import java.util.List;
  import java.util.Map;
  import java.util.Objects;
  import java.util.concurrent.ExecutionException;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import org.apache.cassandra.sidecar.adapters.base.exception.OperationUnavailableException;
  
  /**
   * A wrapper class for {@link StorageJmxOperations} that ensures gossip is enabled during initialization.
   */
  public class GossipDependentStorageJmxOperations implements StorageJmxOperations
  {
      private static final Logger LOGGER = LoggerFactory.getLogger(GossipDependentStorageJmxOperations.class);
  
      private final StorageJmxOperations delegate;
  
      public GossipDependentStorageJmxOperations(StorageJmxOperations delegate)
      {
          this.delegate = Objects.requireNonNull(delegate, "delegate must be not-null");
          ensureGossipIsEnabled();
      }
  
      @Override
      public List<String> getLiveNodesWithPort()
      {
          return delegate.getLiveNodesWithPort();
      }
  
      @Override
      public List<String> getUnreachableNodesWithPort()
      {
          return delegate.getUnreachableNodesWithPort();
      }
  
      @Override
      public List<String> getJoiningNodesWithPort()
      {
          return delegate.getJoiningNodesWithPort();
      }
  
      @Override
      public List<String> getLeavingNodesWithPort()
      {
          return delegate.getLeavingNodesWithPort();
      }
  
      @Override
      public List<String> getMovingNodesWithPort()
      {
          return delegate.getMovingNodesWithPort();
      }
  
      @Override
      public Map<String, String> getLoadMapWithPort()
      {
          return delegate.getLoadMapWithPort();
      }
  
      @Override
      public Map<String, String> getTokenToEndpointWithPortMap()
      {
          return delegate.getTokenToEndpointWithPortMap();
      }
  
      @Override
      public Map<String, Float> effectiveOwnershipWithPort(String keyspace) throws IllegalStateException
      {
          return delegate.effectiveOwnershipWithPort(keyspace);
      }
  
      @Override
      public Map<String, Float> getOwnershipWithPort()
      {
          return delegate.getOwnershipWithPort();
      }
  
      @Override
      public Map<String, String> getEndpointWithPortToHostId()
      {
          return delegate.getEndpointWithPortToHostId();
      }
  
      @Override
      public void takeSnapshot(String tag, Map<String, String> options, String... entities) throws IOException
      {
          delegate.takeSnapshot(tag, options, entities);
      }
  
      @Override
      public void clearSnapshot(String tag, String... keyspaceNames)
      {
          delegate.clearSnapshot(tag, keyspaceNames);
      }
  
      @Override
      public Map<List<String>, List<String>> getRangeToEndpointWithPortMap(String keyspace)
      {
          return delegate.getRangeToEndpointWithPortMap(keyspace);
      }
  
      @Override
      public Map<List<String>, List<String>> getPendingRangeToEndpointWithPortMap(String keyspace)
      {
          return delegate.getPendingRangeToEndpointWithPortMap(keyspace);
      }
  
      @Override
      public boolean isGossipRunning()
      {
          return delegate.isGossipRunning();
      }
  
      @Override
      public String[] getAllDataFileLocations()
      {
          return delegate.getAllDataFileLocations();
      }
  
      @Override
      public int forceKeyspaceCleanup(int jobs, String keyspaceName, String... tables) throws IOException, ExecutionException, InterruptedException
      {
          return delegate.forceKeyspaceCleanup(jobs, keyspaceName, tables);
      }
  
      @Override
      public String getOperationMode()
      {
          return delegate.getOperationMode();
      }
  
      /**
       * Ensures that gossip is running on the Cassandra instance
       *
       * @throws OperationUnavailableException when gossip is not running
       */
      public void ensureGossipIsEnabled()
      {
          if (delegate.isGossipRunning())
              return;
  
          LOGGER.warn("Gossip is disabled and unavailable for the operation");
          throw new OperationUnavailableException("Gossip is required for the operation but it is disabled");
      }
  
      @Override
      public void decommission(boolean force) throws IllegalStateException, IllegalArgumentException, UnsupportedOperationException
      {
          delegate.decommission(force);
      }
  
      @Override
      public String getClusterName()
      {
          return delegate.getClusterName();
      }
  
      @Override
      public void stopNativeTransport()
      {
          delegate.stopNativeTransport();
      }
  
      @Override
      public void startNativeTransport()
      {
          delegate.startNativeTransport();
      }
  
      @Override
      public void stopGossiping()
      {
          delegate.stopGossiping();
      }
  
      @Override
      public void startGossiping()
      {
          delegate.startGossiping();
      }
  
      @Override
      public int getConcurrentCompactors()
      {
          return delegate.getConcurrentCompactors();
      }
  
      @Override
      public long getCompactionThroughtputBytesPerSec()
      {
          return delegate.getCompactionThroughtputBytesPerSec();
      }
  
      @Override
      public int getCompactionThroughputMbPerSec()
      {
          return delegate.getCompactionThroughputMbPerSec();
      }
  }
  