/**
* 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.hive.ql.security.authorization.plugin;
import org.apache.hadoop.hive.common.classification.InterfaceAudience.LimitedPrivate;
import org.apache.hadoop.hive.common.classification.InterfaceStability.Evolving;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.ql.security.HiveAuthenticationProvider;
/**
* Implementation of this interface specified through hive configuration will be used to
* create {@link HiveAuthorizer} instance used for hive authorization.
*
*/
@LimitedPrivate(value = { "Apache Argus (incubating)" })
@Evolving
public interface HiveAuthorizerFactory {
/**
* Create a new instance of HiveAuthorizer, initialized with the given objects.
* @param metastoreClientFactory - Use this to get the valid meta store client (IMetaStoreClient)
* for the current thread. Each invocation of method in HiveAuthorizer can happen in
* different thread, so get the current instance in each method invocation.
* @param conf - current HiveConf
* @param hiveAuthenticator - authenticator, provides user name
* @param ctx - session context information
* @return new instance of HiveAuthorizer
* @throws HiveAuthzPluginException
*/
HiveAuthorizer createHiveAuthorizer(HiveMetastoreClientFactory metastoreClientFactory,
HiveConf conf, HiveAuthenticationProvider hiveAuthenticator, HiveAuthzSessionContext ctx)
throws HiveAuthzPluginException;
}