content: /*
   * Licensed 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.bookkeeper.stream.cluster;
  
  import java.io.File;
  import lombok.Builder;
  import lombok.Builder.Default;
  import lombok.Getter;
  import lombok.Setter;
  import lombok.experimental.Accessors;
  import org.apache.bookkeeper.common.net.ServiceURI;
  import org.apache.commons.configuration2.CompositeConfiguration;
  
  /**
   * Spec to build {@link StreamCluster}.
   */
  @Builder
  @Accessors(fluent = true)
  @Getter
  @Setter
  public class StreamClusterSpec {
  
      /**
       * Returns the number of servers to run in this cluster.
       *
       * @return the number of servers to run in this cluster.
       */
      @Default
      int numServers = 3;
  
      /**
       * Returns the configuration used by the servers across the cluster.
       *
       * @return the configuration used by the servers across the cluster.
       */
      CompositeConfiguration baseConf;
  
      /**
       * Returns the metadata service uri that the servers will connect to.
       *
       * @return the metadata service uri that the servers will connect to.
       */
      @Default
      ServiceURI metadataServiceUri = null;
  
      /**
       * Returns if should start zookeeper.
       *
       * @return true if should start zookeeper, otherwise false.
       */
      @Default
      boolean shouldStartZooKeeper = true;
  
      /**
       * Returns the zookeeper server port used in this cluster.
       *
       * @return the zookeeper server port used in this cluster.
       */
      @Default
      int zkPort = 2181;
  
      /**
       * Returns the bookie server port used in this cluster.
       *
       * @return the bookie server port used in this cluster.
       */
      @Default
      int initialBookiePort = 3181;
  
      /**
       * Returns the gRPC server port used in this cluster.
       *
       * @return the gRPC server port used in this cluster.
       */
      @Default
      int initialGrpcPort = 4181;
  
      /**
       * The root dir used by the stream storage to store data.
       *
       * @return the root dir used by the stream storage to store data.
       */
      @Default
      File storageRootDir = new File("data/bookkeeper");
  
  }
  