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.coordination;
  
  import java.util.List;
  import java.util.stream.Collectors;
  
  import org.apache.cassandra.sidecar.client.SidecarInstance;
  import org.apache.cassandra.sidecar.client.SidecarInstanceImpl;
  import org.apache.cassandra.sidecar.client.SidecarInstancesProvider;
  import org.apache.cassandra.sidecar.cluster.InstancesMetadata;
  import org.apache.cassandra.sidecar.config.ServiceConfiguration;
  
  /**
   * A {@link SidecarInstancesProvider} implementation that returns Sidecar instances based on the configured
   * {@link InstancesMetadata} for the local Sidecar
   */
  public class DynamicSidecarInstancesProvider implements SidecarInstancesProvider
  {
      private final InstancesMetadata instancesMetadata;
      private final ServiceConfiguration serviceConfiguration;
  
      public DynamicSidecarInstancesProvider(InstancesMetadata instancesMetadata, ServiceConfiguration serviceConfiguration)
      {
          this.instancesMetadata = instancesMetadata;
          this.serviceConfiguration = serviceConfiguration;
      }
  
      /**
       * {@inheritDoc}
       */
      @Override
      public List<SidecarInstance> instances()
      {
          return instancesMetadata.instances()
                                  .stream()
                                  .map(instanceMetadata -> new SidecarInstanceImpl(instanceMetadata.host(), serviceConfiguration.port()))
                                  .collect(Collectors.toList());
      }
  }
  