本文整理汇总了Java中org.apache.hadoop.hdfs.server.namenode.INodeDirectory.getId方法的典型用法代码示例。如果您正苦于以下问题：Java INodeDirectory.getId方法的具体用法？Java INodeDirectory.getId怎么用？Java INodeDirectory.getId使用的例子？那么恭喜您, 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.hdfs.server.namenode.INodeDirectory的用法示例。
在下文中一共展示了INodeDirectory.getId方法的3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: getSnapshottableDirListing
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory; //导入方法依赖的package包/类
/**
* List all the snapshottable directories that are owned by the current user.
* @param userName Current user name.
* @return Snapshottable directories that are owned by the current user,
* represented as an array of {@link SnapshottableDirectoryStatus}. If
* {@code userName} is null, return all the snapshottable dirs.
*/
public SnapshottableDirectoryStatus[] getSnapshottableDirListing(
String userName) {
if (snapshottables.isEmpty()) {
return null;
}
List<SnapshottableDirectoryStatus> statusList =
new ArrayList<SnapshottableDirectoryStatus>();
for (INodeDirectory dir : snapshottables.values()) {
if (userName == null || userName.equals(dir.getUserName())) {
SnapshottableDirectoryStatus status = new SnapshottableDirectoryStatus(
dir.getModificationTime(), dir.getAccessTime(),
dir.getFsPermission(), dir.getUserName(), dir.getGroupName(),
dir.getLocalNameBytes(), dir.getId(),
dir.getChildrenNum(Snapshot.CURRENT_STATE_ID),
dir.getDirectorySnapshottableFeature().getNumSnapshots(),
dir.getDirectorySnapshottableFeature().getSnapshotQuota(),
dir.getParent() == null ? DFSUtil.EMPTY_BYTES :
DFSUtil.string2Bytes(dir.getParent().getFullPathName()));
statusList.add(status);
}
}
Collections.sort(statusList, SnapshottableDirectoryStatus.COMPARATOR);
return statusList.toArray(
new SnapshottableDirectoryStatus[statusList.size()]);
}
示例2: testRenameAndUpdateSnapshottableDirs
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory; //导入方法依赖的package包/类
/**
* Test rename where the src/dst directories are both snapshottable
* directories without snapshots. In such case we need to update the
* snapshottable dir list in SnapshotManager.
*/
@Test (timeout=60000)
public void testRenameAndUpdateSnapshottableDirs() throws Exception {
final Path sdir1 = new Path("/dir1");
final Path sdir2 = new Path("/dir2");
final Path foo = new Path(sdir1, "foo");
final Path bar = new Path(sdir2, "bar");
hdfs.mkdirs(foo);
hdfs.mkdirs(bar);
hdfs.allowSnapshot(foo);
SnapshotTestHelper.createSnapshot(hdfs, bar, snap1);
assertEquals(2, fsn.getSnapshottableDirListing().length);
INodeDirectory fooNode = fsdir.getINode4Write(foo.toString()).asDirectory();
long fooId = fooNode.getId();
try {
hdfs.rename(foo, bar, Rename.OVERWRITE);
fail("Expect exception since " + bar
+ " is snapshottable and already has snapshots");
} catch (IOException e) {
GenericTestUtils.assertExceptionContains(bar.toString()
+ " is snapshottable and already has snapshots", e);
}
hdfs.deleteSnapshot(bar, snap1);
hdfs.rename(foo, bar, Rename.OVERWRITE);
SnapshottableDirectoryStatus[] dirs = fsn.getSnapshottableDirListing();
assertEquals(1, dirs.length);
assertEquals(bar, dirs[0].getFullPath());
assertEquals(fooId, dirs[0].getDirStatus().getFileId());
}
示例3: getSnapshottableDirListing
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory; //导入方法依赖的package包/类
/**
* List all the snapshottable directories that are owned by the current user.
* @param userName Current user name.
* @return Snapshottable directories that are owned by the current user,
* represented as an array of {@link SnapshottableDirectoryStatus}. If
* {@code userName} is null, return all the snapshottable dirs.
*/
public SnapshottableDirectoryStatus[] getSnapshottableDirListing(
String userName) {
if (snapshottables.isEmpty()) {
return null;
}
List<SnapshottableDirectoryStatus> statusList =
new ArrayList<SnapshottableDirectoryStatus>();
for (INodeDirectory dir : snapshottables.values()) {
if (userName == null || userName.equals(dir.getUserName())) {
SnapshottableDirectoryStatus status = new SnapshottableDirectoryStatus(
dir.getModificationTime(), dir.getAccessTime(),
dir.getFsPermission(), dir.getUserName(), dir.getGroupName(),
dir.getLocalNameBytes(), dir.getId(),
dir.getChildrenNum(Snapshot.CURRENT_STATE_ID),
dir.getDirectorySnapshottableFeature().getNumSnapshots(),
dir.getDirectorySnapshottableFeature().getSnapshotQuota(),
dir.getParent() == null ? DFSUtilClient.EMPTY_BYTES :
DFSUtil.string2Bytes(dir.getParent().getFullPathName()));
statusList.add(status);
}
}
Collections.sort(statusList, SnapshottableDirectoryStatus.COMPARATOR);
return statusList.toArray(
new SnapshottableDirectoryStatus[statusList.size()]);
}