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.bookkeeper.stream.storage.api.cluster;
  
  import java.net.URI;
  
  /**
   * Initializing cluster metadata.
   */
  public interface ClusterInitializer {
  
      /**
       * Retrieves whether the initializer thinks that it can initialize the metadata service
       * specified by the given {@code metadataServiceUri}. Typically the implementations will
       * return <tt>true</tt> if they understand the subprotocol specified in the URI and
       * <tt>false</tt> if they do not.
       *
       * @param metadataServiceUri the metadata service uri
       * @return <tt>true</tt> if the implementation understands the given URI; <tt>false</tt> otherwise.
       */
      boolean acceptsURI(URI metadataServiceUri);
  
      /**
       * Create a new cluster under metadata service specified by {@code metadataServiceUri}.
       *
       * @param metadataServiceUri metadata service uri
       * @param numStorageContainers number storage containers
       * @return true if successfully initialized cluster; otherwise false.
       */
      boolean initializeCluster(URI metadataServiceUri, int numStorageContainers);
  
  }
  