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.kafka.metadata.placement;
  
  import org.apache.kafka.common.Uuid;
  
  /**
   * Provide the default directory for new partitions in a given broker.
   * For brokers that are registered with multiple directories, the return value
   * should always be {@link org.apache.kafka.common.DirectoryId#UNASSIGNED}.
   * For brokers that are registered with a single log directory, then the return
   * value should be the ID for that directory.
   */
  @FunctionalInterface
  public interface DefaultDirProvider {
      Uuid defaultDir(int brokerId);
  }
  