本文整理汇总了Java中org.apache.hadoop.fs.FileContext.createSymlink方法的典型用法代码示例。如果您正苦于以下问题：Java FileContext.createSymlink方法的具体用法？Java FileContext.createSymlink怎么用？Java FileContext.createSymlink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.FileContext的用法示例。
在下文中一共展示了FileContext.createSymlink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: testFsckSymlink
import org.apache.hadoop.fs.FileContext; //导入方法依赖的package包/类
/** Test fsck with symlinks in the filesystem */
@Test
public void testFsckSymlink() throws Exception {
final DFSTestUtil util = new DFSTestUtil.Builder().
setName(getClass().getSimpleName()).setNumFiles(1).build();
final Configuration conf = new HdfsConfiguration();
conf.setLong(DFSConfigKeys.DFS_BLOCKREPORT_INTERVAL_MSEC_KEY, 10000L);
MiniDFSCluster cluster = null;
FileSystem fs = null;
try {
final long precision = 1L;
conf.setLong(DFSConfigKeys.DFS_NAMENODE_ACCESSTIME_PRECISION_KEY, precision);
conf.setLong(DFSConfigKeys.DFS_BLOCKREPORT_INTERVAL_MSEC_KEY, 10000L);
cluster = new MiniDFSCluster.Builder(conf).numDataNodes(4).build();
fs = cluster.getFileSystem();
final String fileName = "/srcdat";
util.createFiles(fs, fileName);
final FileContext fc = FileContext.getFileContext(
cluster.getConfiguration(0));
final Path file = new Path(fileName);
final Path symlink = new Path("/srcdat-symlink");
fc.createSymlink(file, symlink, false);
util.waitReplication(fs, fileName, (short)3);
long aTime = fc.getFileStatus(symlink).getAccessTime();
Thread.sleep(precision);
setupAuditLogs();
String outStr = runFsck(conf, 0, true, "/");
verifyAuditLogs();
assertEquals(aTime, fc.getFileStatus(symlink).getAccessTime());
System.out.println(outStr);
assertTrue(outStr.contains(NamenodeFsck.HEALTHY_STATUS));
assertTrue(outStr.contains("Total symlinks:\t\t1"));
util.cleanup(fs, fileName);
} finally {
if (fs != null) {try{fs.close();} catch(Exception e){}}
if (cluster != null) { cluster.shutdown(); }
}
}