本文整理汇总了Java中org.apache.hadoop.lib.servlet.FileSystemReleaseFilter类的典型用法代码示例。如果您正苦于以下问题：Java FileSystemReleaseFilter类的具体用法？Java FileSystemReleaseFilter怎么用？Java FileSystemReleaseFilter使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
FileSystemReleaseFilter类属于org.apache.hadoop.lib.servlet包，在下文中一共展示了FileSystemReleaseFilter类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: createFileSystem
import org.apache.hadoop.lib.servlet.FileSystemReleaseFilter; //导入依赖的package包/类
/**
* Returns a filesystem instance. The fileystem instance is wired for release at the completion of
* the current Servlet request via the {@link FileSystemReleaseFilter}.
* <p>
* If a do-as user is specified, the current user must be a valid proxyuser, otherwise an
* <code>AccessControlException</code> will be thrown.
*
* @param ugi principal for whom the filesystem instance is.
*
* @return a filesystem for the specified user or do-as user.
*
* @throws IOException thrown if an IO error occurred. Thrown exceptions are
* handled by {@link HttpFSExceptionProvider}.
* @throws FileSystemAccessException thrown if a FileSystemAccess releated error occurred. Thrown
* exceptions are handled by {@link HttpFSExceptionProvider}.
*/
private FileSystem createFileSystem(UserGroupInformation ugi)
throws IOException, FileSystemAccessException {
String hadoopUser = ugi.getShortUserName();
FileSystemAccess fsAccess = HttpFSServerWebApp.get().get(FileSystemAccess.class);
Configuration conf = HttpFSServerWebApp.get().get(FileSystemAccess.class).getFileSystemConfiguration();
FileSystem fs = fsAccess.createFileSystem(hadoopUser, conf);
FileSystemReleaseFilter.setFileSystem(fs);
return fs;
}
示例2: createFileSystem
import org.apache.hadoop.lib.servlet.FileSystemReleaseFilter; //导入依赖的package包/类
/**
* Returns a filesystem instance. The fileystem instance is wired for release at the completion of
* the current Servlet request via the {@link FileSystemReleaseFilter}.
* <p/>
* If a do-as user is specified, the current user must be a valid proxyuser, otherwise an
* <code>AccessControlException</code> will be thrown.
*
* @param ugi principal for whom the filesystem instance is.
*
* @return a filesystem for the specified user or do-as user.
*
* @throws IOException thrown if an IO error occurred. Thrown exceptions are
* handled by {@link HttpFSExceptionProvider}.
* @throws FileSystemAccessException thrown if a FileSystemAccess releated error occurred. Thrown
* exceptions are handled by {@link HttpFSExceptionProvider}.
*/
private FileSystem createFileSystem(UserGroupInformation ugi)
throws IOException, FileSystemAccessException {
String hadoopUser = ugi.getShortUserName();
FileSystemAccess fsAccess = HttpFSServerWebApp.get().get(FileSystemAccess.class);
Configuration conf = HttpFSServerWebApp.get().get(FileSystemAccess.class).getFileSystemConfiguration();
FileSystem fs = fsAccess.createFileSystem(hadoopUser, conf);
FileSystemReleaseFilter.setFileSystem(fs);
return fs;
}
示例3: createFileSystem
import org.apache.hadoop.lib.servlet.FileSystemReleaseFilter; //导入依赖的package包/类
/**
* Returns a filesystem instance. The fileystem instance is wired for release at the completion of
* the current Servlet request via the {@link FileSystemReleaseFilter}.
* <p/>
* If a do-as user is specified, the current user must be a valid proxyuser, otherwise an
* <code>AccessControlException</code> will be thrown.
*
* @param user principal for whom the filesystem instance is.
* @param doAs do-as user, if any.
*
* @return a filesystem for the specified user or do-as user.
*
* @throws IOException thrown if an IO error occurred. Thrown exceptions are
* handled by {@link HttpFSExceptionProvider}.
* @throws FileSystemAccessException thrown if a FileSystemAccess releated error occurred. Thrown
* exceptions are handled by {@link HttpFSExceptionProvider}.
*/
private FileSystem createFileSystem(Principal user, String doAs) throws IOException, FileSystemAccessException {
String hadoopUser = getEffectiveUser(user, doAs);
FileSystemAccess fsAccess = HttpFSServerWebApp.get().get(FileSystemAccess.class);
Configuration conf = HttpFSServerWebApp.get().get(FileSystemAccess.class).getFileSystemConfiguration();
FileSystem fs = fsAccess.createFileSystem(hadoopUser, conf);
FileSystemReleaseFilter.setFileSystem(fs);
return fs;
}
示例4: createFileSystem
import org.apache.hadoop.lib.servlet.FileSystemReleaseFilter; //导入依赖的package包/类
/**
* Returns a filesystem instance. The fileystem instance is wired for release
* at the completion of
* the current Servlet request via the {@link FileSystemReleaseFilter}.
* <p/>
* If a do-as user is specified, the current user must be a valid proxyuser,
* otherwise an
* <code>AccessControlException</code> will be thrown.
*
* @param user
* principal for whom the filesystem instance is.
* @param doAs
* do-as user, if any.
* @return a filesystem for the specified user or do-as user.
* @throws IOException
* thrown if an IO error occurred. Thrown exceptions are
* handled by {@link HttpFSExceptionProvider}.
* @throws FileSystemAccessException
* thrown if a FileSystemAccess releated error occurred. Thrown
* exceptions are handled by {@link HttpFSExceptionProvider}.
*/
private FileSystem createFileSystem(Principal user, String doAs)
throws IOException, FileSystemAccessException {
String hadoopUser = getEffectiveUser(user, doAs);
FileSystemAccess fsAccess =
HttpFSServerWebApp.get().get(FileSystemAccess.class);
Configuration conf = HttpFSServerWebApp.get().get(FileSystemAccess.class)
.getFileSystemConfiguration();
FileSystem fs = fsAccess.createFileSystem(hadoopUser, conf);
FileSystemReleaseFilter.setFileSystem(fs);
return fs;
}