1 /** 2 * Copyright 2011 The Apache Software Foundation 3 * 4 * Licensed to the Apache Software Foundation (ASF) under one 5 * or more contributor license agreements. See the NOTICE file 6 * distributed with this work for additional information 7 * regarding copyright ownership. The ASF licenses this file 8 * to you under the Apache License, Version 2.0 (the 9 * "License"); you may not use this file except in compliance 10 * with the License. You may obtain a copy of the License at 11 * 12 * http://www.apache.org/licenses/LICENSE-2.0 13 * 14 * Unless required by applicable law or agreed to in writing, software 15 * distributed under the License is distributed on an "AS IS" BASIS, 16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17 * See the License for the specific language governing permissions and 18 * limitations under the License. 19 */ 20 package org.apache.hadoop.hbase.master; 21 22 import java.util.concurrent.Callable; 23 24 import org.apache.hadoop.hbase.HRegionInfo; 25 26 /** 27 * A callable object that invokes the corresponding action that needs to be 28 * taken for assignment of a region in transition. 29 * Implementing as future callable we are able to act on the timeout 30 * asynchronously. 31 */ 32 public class AssignCallable implements Callable<Object> { 33 private AssignmentManager assignmentManager; 34 35 private HRegionInfo hri; 36 37 public AssignCallable(AssignmentManager assignmentManager, HRegionInfo hri) { 38 this.assignmentManager = assignmentManager; 39 this.hri = hri; 40 } 41 42 @Override 43 public Object call() throws Exception { 44 assignmentManager.assign(hri, true, true, true); 45 return null; 46 } 47 }