| // 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; |
| |
| import javax.annotation.Nullable; |
| |
| import com.google.common.base.Preconditions; |
| import com.google.common.base.Strings; |
| |
| /** |
| * A class to authorize access to a column. |
| */ |
| public class AuthorizableColumn extends Authorizable { |
| private final String dbName_; |
| private final String tableName_; |
| private final String columnName_; |
| // Owner for the parent db or table that this Authorizable corresponds to. |
| @Nullable |
| private final String ownerUser_; |
| |
| public AuthorizableColumn( |
| String dbName, String tableName, String columnName, @Nullable String ownerUser) { |
| Preconditions.checkArgument(!Strings.isNullOrEmpty(dbName)); |
| Preconditions.checkArgument(!Strings.isNullOrEmpty(tableName)); |
| Preconditions.checkArgument(!Strings.isNullOrEmpty(columnName)); |
| dbName_ = dbName; |
| tableName_ = tableName; |
| columnName_ = columnName; |
| ownerUser_ = ownerUser; |
| } |
| |
| @Override |
| public String getName() { return dbName_ + "." + tableName_ + "." + columnName_; } |
| |
| @Override |
| public Type getType() { return Type.COLUMN; } |
| |
| @Override |
| public String getFullTableName() { return dbName_ + "." + tableName_; } |
| |
| @Override |
| public String getDbName() { return dbName_; } |
| |
| @Override |
| public String getTableName() { return tableName_; } |
| |
| @Override |
| public String getColumnName() { return columnName_; } |
| |
| @Override |
| public String getOwnerUser() { return ownerUser_; } |
| } |