本文整理汇总了Java中org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature.DirectoryDiffList类的典型用法代码示例。如果您正苦于以下问题：Java DirectoryDiffList类的具体用法？Java DirectoryDiffList怎么用？Java DirectoryDiffList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。
DirectoryDiffList类属于org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature包，在下文中一共展示了DirectoryDiffList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: addSnapshotFeature
import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature.DirectoryDiffList; //导入依赖的package包/类
public DirectoryWithSnapshotFeature addSnapshotFeature(
DirectoryDiffList diffs) {
Preconditions.checkState(!isWithSnapshot(),
"Directory is already with snapshot");
DirectoryWithSnapshotFeature sf = new DirectoryWithSnapshotFeature(diffs);
addFeature(sf);
return sf;
}
示例2: searchChild
import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature.DirectoryDiffList; //导入依赖的package包/类
/**
* Search for the given INode in the children list and the deleted lists of
* snapshots.
* @return {@link Snapshot#CURRENT_STATE_ID} if the inode is in the children
* list; {@link Snapshot#NO_SNAPSHOT_ID} if the inode is neither in the
* children list nor in any snapshot; otherwise the snapshot id of the
* corresponding snapshot diff list.
*/
public int searchChild(INode inode) {
INode child = getChild(inode.getLocalNameBytes(), Snapshot.CURRENT_STATE_ID);
if (child != inode) {
// inode is not in parent's children list, thus inode must be in
// snapshot. identify the snapshot id and later add it into the path
DirectoryDiffList diffs = getDiffs();
if (diffs == null) {
return Snapshot.NO_SNAPSHOT_ID;
}
return diffs.findSnapshotDeleted(inode);
} else {
return Snapshot.CURRENT_STATE_ID;
}
}
示例3: getDiffs
import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature.DirectoryDiffList; //导入依赖的package包/类
public DirectoryDiffList getDiffs() {
DirectoryWithSnapshotFeature sf = getDirectoryWithSnapshotFeature();
return sf != null ? sf.getDiffs() : null;
}
示例4: loadDirectoryDiffList
import org.apache.hadoop.hdfs.server.namenode.snapshot.DirectoryWithSnapshotFeature.DirectoryDiffList; //导入依赖的package包/类
/**
* Load the {@link SnapshotDiff} list for the INodeDirectoryWithSnapshot
* directory.
*
* @param dir
* The snapshottable directory for loading.
* @param in
* The {@link DataInput} instance to read.
* @param loader
* The loader
*/
public static void loadDirectoryDiffList(INodeDirectory dir,
DataInput in, FSImageFormat.Loader loader) throws IOException {
final int size = in.readInt();
if (dir.isWithSnapshot()) {
DirectoryDiffList diffs = dir.getDiffs();
for (int i = 0; i < size; i++) {
diffs.addFirst(loadDirectoryDiff(dir, in, loader));
}
}
}