本文整理汇总了Java中org.apache.hadoop.hdfs.server.namenode.INodeDirectory.addSnapshottableFeature方法的典型用法代码示例。如果您正苦于以下问题：Java INodeDirectory.addSnapshottableFeature方法的具体用法？Java INodeDirectory.addSnapshottableFeature怎么用？Java INodeDirectory.addSnapshottableFeature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.addSnapshottableFeature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: setSnapshottable
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory; //导入方法依赖的package包/类
/**
* Set the given directory as a snapshottable directory.
* If the path is already a snapshottable directory, update the quota.
*/
public void setSnapshottable(final String path, boolean checkNestedSnapshottable)
throws IOException {
final INodesInPath iip = fsdir.getINodesInPath4Write(path);
final INodeDirectory d = INodeDirectory.valueOf(iip.getLastINode(), path);
if (checkNestedSnapshottable) {
checkNestedSnapshottable(d, path);
}
if (d.isSnapshottable()) {
//The directory is already a snapshottable directory.
d.setSnapshotQuota(DirectorySnapshottableFeature.SNAPSHOT_LIMIT);
} else {
d.addSnapshottableFeature();
}
addSnapshottable(d);
}
示例2: loadSnapshotSection
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory; //导入方法依赖的package包/类
/**
* Load the snapshots section from fsimage. Also add snapshottable feature
* to snapshottable directories.
*/
public void loadSnapshotSection(InputStream in) throws IOException {
SnapshotManager sm = fsn.getSnapshotManager();
SnapshotSection section = SnapshotSection.parseDelimitedFrom(in);
int snum = section.getNumSnapshots();
sm.setNumSnapshots(snum);
sm.setSnapshotCounter(section.getSnapshotCounter());
for (long sdirId : section.getSnapshottableDirList()) {
INodeDirectory dir = fsDir.getInode(sdirId).asDirectory();
if (!dir.isSnapshottable()) {
dir.addSnapshottableFeature();
} else {
// dir is root, and admin set root to snapshottable before
dir.setSnapshotQuota(DirectorySnapshottableFeature.SNAPSHOT_LIMIT);
}
sm.addSnapshottable(dir);
}
loadSnapshots(in, snum);
}
示例3: testIdCmp
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory; //导入方法依赖的package包/类
/**
* Test {@link Snapshot#ID_COMPARATOR}.
*/
@Test (timeout=300000)
public void testIdCmp() {
final PermissionStatus perm = PermissionStatus.createImmutable(
"user", "group", FsPermission.createImmutable((short)0));
final INodeDirectory snapshottable = new INodeDirectory(0,
DFSUtil.string2Bytes("foo"), perm, 0L);
snapshottable.addSnapshottableFeature();
final Snapshot[] snapshots = {
new Snapshot(1, "s1", snapshottable),
new Snapshot(1, "s1", snapshottable),
new Snapshot(2, "s2", snapshottable),
new Snapshot(2, "s2", snapshottable),
};
Assert.assertEquals(0, Snapshot.ID_COMPARATOR.compare(null, null));
for(Snapshot s : snapshots) {
Assert.assertTrue(Snapshot.ID_COMPARATOR.compare(null, s) > 0);
Assert.assertTrue(Snapshot.ID_COMPARATOR.compare(s, null) < 0);
for(Snapshot t : snapshots) {
final int expected = s.getRoot().getLocalName().compareTo(
t.getRoot().getLocalName());
final int computed = Snapshot.ID_COMPARATOR.compare(s, t);
Assert.assertEquals(expected > 0, computed > 0);
Assert.assertEquals(expected == 0, computed == 0);
Assert.assertEquals(expected < 0, computed < 0);
}
}
}