本文整理汇总了Java中org.apache.hadoop.hdfs.server.namenode.INodeDirectory.getChild方法的典型用法代码示例。如果您正苦于以下问题：Java INodeDirectory.getChild方法的具体用法？Java INodeDirectory.getChild怎么用？Java INodeDirectory.getChild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.getChild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: getChild
import org.apache.hadoop.hdfs.server.namenode.INodeDirectory; //导入方法依赖的package包/类
/** @return the child with the given name. */
INode getChild(byte[] name, boolean checkPosterior,
INodeDirectory currentDir) {
for(DirectoryDiff d = this; ; d = d.getPosterior()) {
final Container<INode> returned = d.diff.accessPrevious(name);
if (returned != null) {
// the diff is able to determine the inode
return returned.getElement();
} else if (!checkPosterior) {
// Since checkPosterior is false, return null, i.e. not found.
return null;
} else if (d.getPosterior() == null) {
// no more posterior diff, get from current inode.
return currentDir.getChild(name, Snapshot.CURRENT_STATE_ID);
}
}
}