| /** |
| * 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.hadoop.hbase.master; |
| |
| import java.io.IOException; |
| import java.util.concurrent.CountDownLatch; |
| import org.apache.hadoop.hbase.client.RegionInfo; |
| import org.apache.hadoop.hbase.master.procedure.AbstractStateMachineRegionProcedure; |
| import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv; |
| import org.apache.hadoop.hbase.procedure2.ProcedureSuspendedException; |
| import org.apache.hadoop.hbase.procedure2.ProcedureYieldException; |
| |
| public class DummyRegionProcedure |
| extends AbstractStateMachineRegionProcedure<DummyRegionProcedureState> { |
| |
| private final CountDownLatch arrive = new CountDownLatch(1); |
| |
| private final CountDownLatch resume = new CountDownLatch(1); |
| |
| public DummyRegionProcedure() { |
| } |
| |
| public DummyRegionProcedure(MasterProcedureEnv env, RegionInfo hri) { |
| super(env, hri); |
| } |
| |
| @Override |
| public TableOperationType getTableOperationType() { |
| return TableOperationType.REGION_EDIT; |
| } |
| |
| @Override |
| protected Flow executeFromState(MasterProcedureEnv env, DummyRegionProcedureState state) |
| throws ProcedureSuspendedException, ProcedureYieldException, InterruptedException { |
| arrive.countDown(); |
| resume.await(); |
| return Flow.NO_MORE_STATE; |
| } |
| |
| @Override |
| protected void rollbackState(MasterProcedureEnv env, DummyRegionProcedureState state) |
| throws IOException, InterruptedException { |
| } |
| |
| @Override |
| protected DummyRegionProcedureState getState(int stateId) { |
| return DummyRegionProcedureState.STATE; |
| } |
| |
| @Override |
| protected int getStateId(DummyRegionProcedureState state) { |
| return 0; |
| } |
| |
| @Override |
| protected DummyRegionProcedureState getInitialState() { |
| return DummyRegionProcedureState.STATE; |
| } |
| |
| public void waitUntilArrive() throws InterruptedException { |
| arrive.await(); |
| } |
| |
| public void resume() { |
| resume.countDown(); |
| } |
| } |