| /* |
| * 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.impala.authorization.sentry; |
| |
| import com.google.common.base.Preconditions; |
| import org.apache.sentry.core.common.BitFieldAction; |
| import org.apache.sentry.core.common.BitFieldActionFactory; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * An implementation of BitFieldActionFactory for Impala. |
| */ |
| public class ImpalaActionFactory extends BitFieldActionFactory { |
| @Override |
| public List<? extends BitFieldAction> getActionsByCode(int actionCode) { |
| Preconditions.checkArgument( |
| actionCode >= 1 && actionCode <= ImpalaAction.ALL.getCode(), |
| String.format("Action code must between 1 and %d.", ImpalaAction.ALL.getCode())); |
| |
| List<BitFieldAction> actions = new ArrayList<>(); |
| for (ImpalaAction action : ImpalaAction.values()) { |
| if ((action.getCode() & actionCode) == action.getCode()) { |
| actions.add(action.getBitFieldAction()); |
| } |
| } |
| return actions; |
| } |
| |
| @Override |
| public BitFieldAction getActionByName(String name) { |
| Preconditions.checkNotNull(name); |
| |
| for (ImpalaAction action : ImpalaAction.values()) { |
| if (action.getValue().equalsIgnoreCase(name)) { |
| return action.getBitFieldAction(); |
| } |
| } |
| return null; |
| } |
| } |