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 com.alibaba.wasp.master;
  
  import com.alibaba.wasp.EntityGroupInfo;
  
  import java.util.concurrent.Callable;
  
  
  /**
   * A callable object tEntityGroupInfo the corresponding action that needs to be
   * taken for unassignment of a entityGroup in transition. Implementing as future
   * callable we are able to act on the timeout asynchronously.
   */
  public class UnAssignCallable implements Callable<Object> {
    private AssignmentManager assignmentManager;
  
    private EntityGroupInfo egInfo;
  
    public UnAssignCallable(AssignmentManager assignmentManager, EntityGroupInfo egInfo) {
      this.assignmentManager = assignmentManager;
      this.egInfo = egInfo;
    }
  
    @Override
    public Object call() throws Exception {
      assignmentManager.unassign(egInfo, true);
      return null;
    }
  }
  