本文整理汇总了Java中org.apache.hadoop.fs.permission.FsPermission.setUMask方法的典型用法代码示例。如果您正苦于以下问题：Java FsPermission.setUMask方法的具体用法？Java FsPermission.setUMask怎么用？Java FsPermission.setUMask使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.fs.permission.FsPermission的用法示例。
在下文中一共展示了FsPermission.setUMask方法的1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: testLargeDirectory
import org.apache.hadoop.fs.permission.FsPermission; //导入方法依赖的package包/类
@Test(timeout=300000)
public void testLargeDirectory() throws Exception {
final Configuration conf = WebHdfsTestUtil.createConf();
final int listLimit = 2;
// force small chunking of directory listing
conf.setInt(DFSConfigKeys.DFS_LIST_LIMIT, listLimit);
// force paths to be only owner-accessible to ensure ugi isn't changing
// during listStatus
FsPermission.setUMask(conf, new FsPermission((short)0077));
final MiniDFSCluster cluster =
new MiniDFSCluster.Builder(conf).numDataNodes(3).build();
try {
cluster.waitActive();
WebHdfsTestUtil.getWebHdfsFileSystem(conf, WebHdfsFileSystem.SCHEME)
.setPermission(new Path("/"),
new FsPermission(FsAction.ALL, FsAction.ALL, FsAction.ALL));
// trick the NN into not believing it's not the superuser so we can
// tell if the correct user is used by listStatus
UserGroupInformation.setLoginUser(
UserGroupInformation.createUserForTesting(
"not-superuser", new String[]{"not-supergroup"}));
UserGroupInformation.createUserForTesting("me", new String[]{"my-group"})
.doAs(new PrivilegedExceptionAction<Void>() {
@Override
public Void run() throws IOException, URISyntaxException {
FileSystem fs = WebHdfsTestUtil.getWebHdfsFileSystem(conf,
WebHdfsFileSystem.SCHEME);
Path d = new Path("/my-dir");
Assert.assertTrue(fs.mkdirs(d));
for (int i=0; i < listLimit*3; i++) {
Path p = new Path(d, "file-"+i);
Assert.assertTrue(fs.createNewFile(p));
}
Assert.assertEquals(listLimit*3, fs.listStatus(d).length);
return null;
}
});
} finally {
cluster.shutdown();
}
}