本文整理汇总了Java中org.apache.hadoop.hdfs.server.namenode.INodeDirectory.getDiffs方法的典型用法代码示例。如果您正苦于以下问题:Java INodeDirectory.getDiffs方法的具体用法?Java INodeDirectory.getDiffs怎么用?Java INodeDirectory.getDiffs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.getDiffs方法的2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: loadCreated
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory; //导入方法依赖的package包/类
/**
* Load a node stored in the created list from fsimage.
* @param createdNodeName The name of the created node.
* @param parent The directory that the created list belongs to.
* @return The created node.
*/
public static INode loadCreated(byte[] createdNodeName,
INodeDirectory parent) throws IOException {
// the INode in the created list should be a reference to another INode
// in posterior SnapshotDiffs or one of the current children
for (DirectoryDiff postDiff : parent.getDiffs()) {
final INode d = postDiff.getChildrenDiff().search(ListType.DELETED,
createdNodeName);
if (d != null) {
return d;
} // else go to the next SnapshotDiff
}
// use the current child
INode currentChild = parent.getChild(createdNodeName,
Snapshot.CURRENT_STATE_ID);
if (currentChild == null) {
throw new IOException("Cannot find an INode associated with the INode "
+ DFSUtil.bytes2String(createdNodeName)
+ " in created list while loading FSImage.");
}
return currentChild;
}
示例2: loadDirectoryDiffList
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory; //导入方法依赖的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));
}
}
}