001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018package org.apache.hadoop.hbase.client; 019 020import java.io.IOException; 021import java.net.URI; 022import org.apache.hadoop.conf.Configuration; 023import org.apache.hadoop.hbase.HConstants; 024import org.apache.hadoop.hbase.security.User; 025import org.apache.yetus.audience.InterfaceAudience; 026import org.slf4j.Logger; 027import org.slf4j.LoggerFactory; 028 029/** 030 * Connection registry creator implementation for creating {@link ZKConnectionRegistry}. 031 */ 032@InterfaceAudience.Private 033public class ZKConnectionRegistryURIFactory implements ConnectionRegistryURIFactory { 034 035 private static final Logger LOG = LoggerFactory.getLogger(ZKConnectionRegistryURIFactory.class); 036 037 @Override 038 public ConnectionRegistry create(URI uri, Configuration conf, User user) throws IOException { 039 assert getScheme().equals(uri.getScheme()); 040 LOG.debug("connect to hbase cluster with zk quorum='{}' and parent='{}'", uri.getAuthority(), 041 uri.getPath()); 042 Configuration c = new Configuration(conf); 043 c.set(HConstants.CLIENT_ZOOKEEPER_QUORUM, uri.getAuthority()); 044 c.set(HConstants.ZOOKEEPER_ZNODE_PARENT, uri.getPath()); 045 return new ZKConnectionRegistry(c, user); 046 } 047 048 @Override 049 public String getScheme() { 050 return "hbase+zk"; 051 } 052}