hadoop package-info 源码
haddop package-info 代码
文件路径：/hadoop-common-project/hadoop-registry/src/main/java/org/apache/hadoop/registry/client/impl/zk/package-info.java
/*
* 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.
*/
/**
* Core Zookeeper support.
* <p>
* This package contains the low-level bindings to Curator and Zookeeper,
* including everything related to registry security.
* <p>
* The class {@link org.apache.hadoop.registry.client.impl.zk.CuratorService}
* is a YARN service which offers access to a Zookeeper instance via
* Apache Curator.
* <p>
* The {@link org.apache.hadoop.registry.client.impl.zk.RegistrySecurity}
* implements the security support in the registry, though a set of
* static methods and as a YARN service.
* <p>
* To work with ZK, system properties need to be set before invoking
* some operations/instantiating some objects. The definitions of these
* are kept in {@link org.apache.hadoop.registry.client.impl.zk.ZookeeperConfigOptions}.
*
*
*/
package org.apache.hadoop.registry.client.impl.zk;
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