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.coordinator.group.streams.assignor;
  
  /**
   * Server side task assignor used by streams groups.
   */
  public interface TaskAssignor {
  
      /**
       * Unique name for this assignor.
       */
      String name();
  
      /**
       * Assigns tasks to group members based on the given assignment specification and topic metadata.
       *
       * @param groupSpec         The assignment spec which includes member metadata.
       * @param topologyDescriber The task metadata describer.
       * @return The new assignment for the group.
       *
       * @throws TaskAssignorException For empty groups
       */
      GroupAssignment assign(
          GroupSpec groupSpec,
          TopologyDescriber topologyDescriber
      ) throws TaskAssignorException;
  
  }
  