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.connect.runtime.distributed;
  
  import org.apache.kafka.common.message.JoinGroupResponseData;
  
  import java.nio.ByteBuffer;
  import java.util.List;
  import java.util.Map;
  
  /**
   * An assignor that computes a distribution of connectors and tasks among the workers of the group
   * that performs rebalancing.
   */
  public interface ConnectAssignor {
      /**
       * Based on the member metadata and the information stored in the worker coordinator this
       * method computes an assignment of connectors and tasks among the members of the worker group.
       *
       * @param leaderId the leader of the group
       * @param protocol the protocol type; for Connect assignors this is "eager", "compatible", or "sessioned"
       * @param allMemberMetadata the metadata of all the active workers of the group
       * @param coordinator the worker coordinator that runs this assignor
       * @return the assignment of connectors and tasks to workers
       */
      Map<String, ByteBuffer> performAssignment(String leaderId, String protocol,
                                                List<JoinGroupResponseData.JoinGroupResponseMember> allMemberMetadata,
                                                WorkerCoordinator coordinator);
  }
  