| /* |
| * 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.drill.exec; |
| |
| import java.util.List; |
| |
| import org.apache.drill.exec.exception.DrillbitStartupException; |
| import org.apache.drill.exec.server.Drillbit; |
| import org.slf4j.Logger; |
| |
| import org.apache.drill.shaded.guava.com.google.common.collect.ImmutableList; |
| |
| /** |
| * Base class for Drill system tests. |
| * Starts one or more Drillbits, an embedded ZooKeeper cluster and provides a configured client for testing. |
| */ |
| public class DrillSystemTestBase extends TestWithZookeeper { |
| private static final Logger logger = org.slf4j.LoggerFactory.getLogger(DrillSystemTestBase.class); |
| |
| private List<Drillbit> servers; |
| |
| public void startCluster(int numServers) { |
| try { |
| ImmutableList.Builder<Drillbit> servers = ImmutableList.builder(); |
| for (int i = 0; i < numServers; i++) { |
| servers.add(Drillbit.start(zkHelper.getConfig())); |
| } |
| this.servers = servers.build(); |
| } catch (DrillbitStartupException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| public void stopCluster() { |
| if (servers != null) { |
| for (Drillbit server : servers) { |
| try { |
| server.close(); |
| } catch (Exception e) { |
| logger.warn("Error shutting down Drillbit", e); |
| } |
| } |
| } |
| } |
| |
| public Drillbit getABit(){ |
| return this.servers.iterator().next(); |
| } |
| } |