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.security.authorize; import java.security.Permission; import org.apache.hadoop.classification.InterfaceAudience; import org.apache.hadoop.classification.InterfaceStability; /** * An abstract definition of <em>service</em> as related to * Service Level Authorization for Hadoop. * * Each service defines it's configuration key and also the necessary * {@link Permission} required to access the service. */ @InterfaceAudience.LimitedPrivate({ "HDFS", "MapReduce" }) @InterfaceStability.Evolving public class Service { private String key; private Class<?> protocol; public Service(String key, Class<?> protocol) { this.key = key; this.protocol = protocol; } /** * Get the configuration key for the service. * @return the configuration key for the service */ public String getServiceKey() { return key; } /** * Get the protocol for the service * @return the {@link Class} for the protocol */ public Class<?> getProtocol() { return protocol; } }