hadoop JniBasedUnixGroupsMappingWithFallback 源码

  • 2022-10-20
  • 浏览 (504)

haddop JniBasedUnixGroupsMappingWithFallback 代码

文件路径:/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/JniBasedUnixGroupsMappingWithFallback.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.
 */

package org.apache.hadoop.security;

import java.io.IOException;
import java.util.List;
import java.util.Set;

import org.apache.hadoop.util.NativeCodeLoader;
import org.apache.hadoop.util.PerformanceAdvisory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class JniBasedUnixGroupsMappingWithFallback implements
    GroupMappingServiceProvider {

  private static final Logger LOG = LoggerFactory
      .getLogger(JniBasedUnixGroupsMappingWithFallback.class);
  
  private GroupMappingServiceProvider impl;

  public JniBasedUnixGroupsMappingWithFallback() {
    if (NativeCodeLoader.isNativeCodeLoaded()) {
      this.impl = new JniBasedUnixGroupsMapping();
    } else {
      PerformanceAdvisory.LOG.debug("Falling back to shell based");
      this.impl = new ShellBasedUnixGroupsMapping();
    }
    if (LOG.isDebugEnabled()){
      LOG.debug("Group mapping impl=" + impl.getClass().getName());
    }
  }

  @Override
  public List<String> getGroups(String user) throws IOException {
    return impl.getGroups(user);
  }

  @Override
  public void cacheGroupsRefresh() throws IOException {
    impl.cacheGroupsRefresh();
  }

  @Override
  public void cacheGroupsAdd(List<String> groups) throws IOException {
    impl.cacheGroupsAdd(groups);
  }

  @Override
  public Set<String> getGroupsSet(String user) throws IOException {
    return impl.getGroupsSet(user);
  }

}

相关信息

hadoop 源码目录

相关文章

hadoop AccessControlException 源码

hadoop AnnotatedSecurityInfo 源码

hadoop AuthenticationFilterInitializer 源码

hadoop CompositeGroupsMapping 源码

hadoop Credentials 源码

hadoop FastSaslClientFactory 源码

hadoop FastSaslServerFactory 源码

hadoop GroupMappingServiceProvider 源码

hadoop Groups 源码

hadoop HadoopKerberosName 源码

0  赞