| /* |
| * Licensed 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.hive.llap.tezplugins; |
| |
| import java.util.Arrays; |
| |
| import org.apache.hadoop.hive.llap.protocol.LlapTaskUmbilicalProtocol; |
| import org.apache.hadoop.security.authorize.Service; |
| import org.apache.tez.dag.api.TezConstants; |
| import org.apache.tez.dag.app.security.authorize.TezAMPolicyProvider; |
| |
| public class LlapUmbilicalPolicyProvider extends TezAMPolicyProvider { |
| |
| private static Service[] services; |
| private static final Object servicesLock = new Object(); |
| |
| @Override |
| public Service[] getServices() { |
| if (services != null) return services; |
| synchronized (servicesLock) { |
| if (services != null) return services; |
| Service[] parentSvc = super.getServices(); |
| Service[] result = Arrays.copyOf(parentSvc, parentSvc.length + 1); |
| result[parentSvc.length] = new Service( |
| TezConstants.TEZ_AM_SECURITY_SERVICE_AUTHORIZATION_TASK_UMBILICAL, |
| LlapTaskUmbilicalProtocol.class); |
| return (services = result); |
| } |
| } |
| } |