Java tutorial
/** * 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.hdfs; import org.apache.hadoop.classification.InterfaceAudience; import org.apache.hadoop.fs.CommonConfigurationKeys; import org.apache.hadoop.ha.HAServiceProtocol; import org.apache.hadoop.ha.ZKFCProtocol; import org.apache.hadoop.hdfs.protocol.ClientDatanodeProtocol; import org.apache.hadoop.hdfs.protocol.ClientProtocol; import org.apache.hadoop.hdfs.protocol.ReconfigurationProtocol; import org.apache.hadoop.hdfs.qjournal.protocol.InterQJournalProtocol; import org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocol; import org.apache.hadoop.hdfs.server.protocol.DatanodeLifelineProtocol; import org.apache.hadoop.hdfs.server.protocol.DatanodeProtocol; import org.apache.hadoop.hdfs.server.protocol.InterDatanodeProtocol; import org.apache.hadoop.hdfs.server.protocol.NamenodeProtocol; import org.apache.hadoop.security.RefreshUserMappingsProtocol; import org.apache.hadoop.security.authorize.PolicyProvider; import org.apache.hadoop.security.authorize.RefreshAuthorizationPolicyProtocol; import org.apache.hadoop.security.authorize.Service; import org.apache.hadoop.tools.GetUserMappingsProtocol; import org.apache.hadoop.ipc.RefreshCallQueueProtocol; import org.apache.hadoop.ipc.GenericRefreshProtocol; import org.apache.hadoop.tracing.TraceAdminProtocol; /** * {@link PolicyProvider} for HDFS protocols. */ @InterfaceAudience.Private public class HDFSPolicyProvider extends PolicyProvider { private static final Service[] hdfsServices = new Service[] { new Service(CommonConfigurationKeys.SECURITY_CLIENT_PROTOCOL_ACL, ClientProtocol.class), new Service(CommonConfigurationKeys.SECURITY_CLIENT_DATANODE_PROTOCOL_ACL, ClientDatanodeProtocol.class), new Service(CommonConfigurationKeys.SECURITY_DATANODE_PROTOCOL_ACL, DatanodeProtocol.class), new Service(CommonConfigurationKeys.SECURITY_INTER_DATANODE_PROTOCOL_ACL, InterDatanodeProtocol.class), new Service(CommonConfigurationKeys.SECURITY_NAMENODE_PROTOCOL_ACL, NamenodeProtocol.class), new Service(CommonConfigurationKeys.SECURITY_QJOURNAL_SERVICE_PROTOCOL_ACL, QJournalProtocol.class), new Service(CommonConfigurationKeys.SECURITY_INTERQJOURNAL_SERVICE_PROTOCOL_ACL, InterQJournalProtocol.class), new Service(CommonConfigurationKeys.SECURITY_HA_SERVICE_PROTOCOL_ACL, HAServiceProtocol.class), new Service(CommonConfigurationKeys.SECURITY_ZKFC_PROTOCOL_ACL, ZKFCProtocol.class), new Service(CommonConfigurationKeys.HADOOP_SECURITY_SERVICE_AUTHORIZATION_REFRESH_POLICY, RefreshAuthorizationPolicyProtocol.class), new Service(CommonConfigurationKeys.HADOOP_SECURITY_SERVICE_AUTHORIZATION_REFRESH_USER_MAPPINGS, RefreshUserMappingsProtocol.class), new Service(CommonConfigurationKeys.HADOOP_SECURITY_SERVICE_AUTHORIZATION_GET_USER_MAPPINGS, GetUserMappingsProtocol.class), new Service(CommonConfigurationKeys.HADOOP_SECURITY_SERVICE_AUTHORIZATION_REFRESH_CALLQUEUE, RefreshCallQueueProtocol.class), new Service(CommonConfigurationKeys.HADOOP_SECURITY_SERVICE_AUTHORIZATION_GENERIC_REFRESH, GenericRefreshProtocol.class), new Service(CommonConfigurationKeys.HADOOP_SECURITY_SERVICE_AUTHORIZATION_TRACING, TraceAdminProtocol.class), new Service(CommonConfigurationKeys.HADOOP_SECURITY_SERVICE_AUTHORIZATION_DATANODE_LIFELINE, DatanodeLifelineProtocol.class), new Service(CommonConfigurationKeys.HADOOP_SECURITY_SERVICE_AUTHORIZATION_RECONFIGURATION, ReconfigurationProtocol.class) }; @Override public Service[] getServices() { return hdfsServices; } }