Uses of Class
org.apache.hadoop.hdfs.server.namenode.INode

Packages that use INode

Package	Description
org.apache.hadoop.hdfs.server.namenode
org.apache.hadoop.hdfs.server.namenode.snapshot
org.apache.hadoop.hdfs.server.namenode.visitor	Use the visitor pattern to visit namespace tree.

Uses of INode in org.apache.hadoop.hdfs.server.namenode

Subclasses of INode in org.apache.hadoop.hdfs.server.namenode

Modifier and Type	Class	Description
class	INodeDirectory	Directory INode class.
class	INodeFile	I-node for closed file.
class	INodeReference	A reference to an inode.
static class	INodeReference.DstReference
static class	INodeReference.WithCount	An anonymous reference with reference count.
static class	INodeReference.WithName	A reference with a fixed name.
class	INodeSymlink	An INode representing a symbolic link.
class	INodeWithAdditionalFields	INode with additional fields including id, name, permission, access time and modification time.

Fields in org.apache.hadoop.hdfs.server.namenode declared as INode

Modifier and Type	Field	Description
final INode	INodeDirectory.SnapshotAndINode.inode

Fields in org.apache.hadoop.hdfs.server.namenode with type parameters of type INode

Modifier and Type	Field	Description
protected final List<INode>	INode.ReclaimContext.removedINodes

Methods in org.apache.hadoop.hdfs.server.namenode that return INode

Modifier and Type	Method	Description
INode	INodeMap.get(long id)	Get the INode with the given id from the map.
INode	INodeDirectory.getChild(byte[] name, int snapshotId)
INode	FSDirectory.getInode(long id)	Get the inode from inodeMap based on its inode id.
INode	FSDirectory.getINode(String src)	Get INode associated with the file / directory.
INode	FSDirectory.getINode(String src, FSDirectory.DirOp dirOp)	Get INode associated with the file / directory.
INode	INodesInPath.getINode(int i)
INode	FSDirectory.getINode4Write(String src)	Get INode associated with the file / directory.
INode[]	INodeAttributeProvider.AuthorizationContext.getInodes()
INode[]	INodesInPath.getINodesArray()
INode	INodesInPath.getLastINode()
final INode	INodeReference.getReferredINode()
INode	FSImageFormat.Loader.loadINodeWithLocalName(boolean isSnapshotINode, DataInput in, boolean updateINodeMap)
INode	FSImageFormat.Loader.loadINodeWithLocalName(boolean isSnapshotINode, DataInput in, boolean updateINodeMap, StartupProgress.Counter counter)
INode	INodeDirectory.saveChild2Snapshot(INode child, int latestSnapshotId, INode snapshotCopy)	Save the child to the latest snapshot.
final INode	INode.setAccessTime(long accessTime, int latestSnapshotId, boolean skipCaptureAccessTimeOnlyChangeInSnapshot)	Set last access time of inode.
final INode	INode.setModificationTime(long modificationTime, int latestSnapshotId)	Set the last modification time of inode.
protected INode	FSTreeTraverser.traverseDirInt(long startId, INode curr, List<byte[]> startAfters, FSTreeTraverser.TraverseInfo traverseInfo)	Iterates the parent directory, and add direct children files to current batch.
static INode	FSDirXAttrOp.unprotectedSetXAttrs(FSDirectory fsd, INodesInPath iip, List<org.apache.hadoop.fs.XAttr> xAttrs, EnumSet<org.apache.hadoop.fs.XAttrSetFlag> flag)
abstract INode	INode.updateModificationTime(long mtime, int latestSnapshotId)	Update modification time if it is larger than the current value.
final INode	INodeReference.updateModificationTime(long mtime, int latestSnapshotId)
final INode	INodeWithAdditionalFields.updateModificationTime(long mtime, int latestSnapshotId)	Update modification time if it is larger than the current value.

Methods in org.apache.hadoop.hdfs.server.namenode that return types with arguments of type INode

Modifier and Type	Method	Description
ReadOnlyList<INode>	INodeDirectory.getChildrenList(int snapshotId)
Map<INode,QuotaCounts>	INode.QuotaDelta.getUpdateMap()

Methods in org.apache.hadoop.hdfs.server.namenode with parameters of type INode

Modifier and Type	Method	Description
boolean	INodeDirectory.addChild(INode node)
boolean	INodeDirectory.addChild(INode node, boolean setModTime, int latestSnapshotId)	Add a child inode to the directory.
boolean	INodeDirectory.addChildAtLoading(INode node)	During image loading, the search is unnecessary since the insert position should always be at the end of the map given the sequence they are serialized on disk.
INodesInPath	FSDirectory.addLastINode(INodesInPath existing, INode inode, org.apache.hadoop.fs.permission.FsPermission modes, boolean checkQuota, Optional<QuotaCounts> quotaCount)	Add a child to the end of the path specified by INodesInPath.
final void	FSDirectory.addToInodeMap(INode inode)	This method is always called with writeLock of FSDirectory held.
static INodesInPath	INodesInPath.append(INodesInPath iip, INode child, byte[] childName)	Extend a given INodesInPath with a child INode.
protected abstract boolean	FSTreeTraverser.canTraverseDir(INode inode)	Check whether dir is traversable or not.
void	FSPermissionChecker.checkPermission(String fsOwner, String supergroup, org.apache.hadoop.security.UserGroupInformation callerUgi, INodeAttributes[] inodeAttrs, INode[] inodes, byte[][] components, int snapshotId, String path, int ancestorIndex, boolean doCheckOwner, org.apache.hadoop.fs.permission.FsAction ancestorAccess, org.apache.hadoop.fs.permission.FsAction parentAccess, org.apache.hadoop.fs.permission.FsAction access, org.apache.hadoop.fs.permission.FsAction subAccess, boolean ignoreEmptyDir)
void	INodeAttributeProvider.AccessControlEnforcer.checkPermission(String fsOwner, String supergroup, org.apache.hadoop.security.UserGroupInformation callerUgi, INodeAttributes[] inodeAttrs, INode[] inodes, byte[][] pathByNameArr, int snapshotId, String path, int ancestorIndex, boolean doCheckOwner, org.apache.hadoop.fs.permission.FsAction ancestorAccess, org.apache.hadoop.fs.permission.FsAction parentAccess, org.apache.hadoop.fs.permission.FsAction access, org.apache.hadoop.fs.permission.FsAction subAccess, boolean ignoreEmptyDir)	Deprecated. useINodeAttributeProvider.AccessControlEnforcer.checkPermissionWithContext(AuthorizationContext)} instead
static boolean	AclStorage.copyINodeDefaultAcl(INode child)	If a default ACL is defined on a parent directory, then copies that default ACL to a newly created child file or directory.
String	ContentSummaryComputationContext.getErasureCodingPolicyName(INode inode)	Get the erasure coding policy.
static byte[][]	FSDirectory.getPathComponents(INode inode)	Given an INode get all the path complents leading to it from the root.
int	INode.ReclaimContext.getSnapshotIdToBeDeleted(int snapshotId, INode inode)
INodeAttributeProvider.AuthorizationContext.Builder	INodeAttributeProvider.AuthorizationContext.Builder.inodes(INode[] val)
static boolean	FSDirectory.isReservedName(INode inode)	Check if a given inode name is reserved
void	FSEditLog.logMkDir(String path, INode newNode)	Add create directory record to edit log
protected abstract boolean	FSTreeTraverser.processFileInode(INode inode, FSTreeTraverser.TraverseInfo traverseInfo)	Process an Inode.
final void	INodeMap.put(INode inode)	Add an INode into the INode map.
static List<org.apache.hadoop.fs.permission.AclEntry>	AclStorage.readINodeAcl(INode inode, int snapshotId)	Reads the existing extended ACL entries of an inode.
static List<org.apache.hadoop.fs.permission.AclEntry>	AclStorage.readINodeLogicalAcl(INode inode)	Reads the existing ACL of an inode.
static org.apache.hadoop.fs.XAttr	XAttrStorage.readINodeXAttrByPrefixedName(INode inode, int snapshotId, String prefixedName)	Reads the extended attribute of an inode by name with prefix.
final void	INodeMap.remove(INode inode)	Remove a INode from the map.
boolean	INodeDirectory.removeChild(INode child)	Remove the specified child from this directory.
boolean	INodeDirectory.removeChild(INode child, int latestSnapshotId)	Remove the specified child from this directory.
static INodesInPath	INodesInPath.replace(INodesInPath iip, int pos, INode inode)	Replace an inode of the given INodesInPath in the given position.
void	INodeDirectory.replaceChild(INode oldChild, INode newChild, INodeMap inodeMap)	Replace the given child with a new child.
INode	INodeDirectory.saveChild2Snapshot(INode child, int latestSnapshotId, INode snapshotCopy)	Save the child to the latest snapshot.
static void	FSImageSerialization.saveINode2Image(INode node, DataOutput out, boolean writeUnderConstruction, SnapshotFSImageFormat.ReferenceMap referenceMap)	Save one inode's attributes to the image.
int	INodeDirectory.searchChild(INode inode)	Search for the given INode in the children list and the deleted lists of snapshots.
void	INodeAttributeProvider.AuthorizationContext.setInodes(INode[] inodes)
protected INode	FSTreeTraverser.traverseDirInt(long startId, INode curr, List<byte[]> startAfters, FSTreeTraverser.TraverseInfo traverseInfo)	Iterates the parent directory, and add direct children files to current batch.
static int	INodeReference.tryRemoveReference(INode inode)	Try to remove the given reference and then return the reference count.
void	INodeDirectory.undoRename4DstParent(BlockStoragePolicySuite bsps, INode deletedChild, int latestSnapshotId)	Undo the rename operation for the dst tree, i.e., if the rename operation (with OVERWRITE option) removes a file/dir from the dst tree, add it back and delete possible record in the deleted list.
void	INodeDirectory.undoRename4ScrParent(INodeReference oldChild, INode newChild)	This method is usually called by the undo section of rename.
static void	AclStorage.updateINodeAcl(INode inode, List<org.apache.hadoop.fs.permission.AclEntry> newAcl, int snapshotId)	Updates an inode with a new ACL.
static void	XAttrStorage.updateINodeXAttrs(INode inode, List<org.apache.hadoop.fs.XAttr> xAttrs, int snapshotId)	Update xattrs of inode.
static INodeDirectory	INodeDirectory.valueOf(INode inode, Object path)	Cast INode to INodeDirectory.
static INodeFile	INodeFile.valueOf(INode inode, String path)	The same as valueOf(inode, path, false).
static INodeFile	INodeFile.valueOf(INode inode, String path, boolean acceptNull)	Cast INode to INodeFile.

Method parameters in org.apache.hadoop.hdfs.server.namenode with type arguments of type INode

Modifier and Type	Method	Description
void	INodeDirectory.cleanSubtreeRecursively(INode.ReclaimContext reclaimContext, int snapshot, int prior, Map<INode,INode> excludedNodes)	Call cleanSubtree(..) recursively down the subtree.
void	INodeDirectory.cleanSubtreeRecursively(INode.ReclaimContext reclaimContext, int snapshot, int prior, Map<INode,INode> excludedNodes)	Call cleanSubtree(..) recursively down the subtree.
final void	FSDirectory.removeFromInodeMap(List<? extends INode> inodes)	This method is always called with writeLock of FSDirectory held.

Constructors in org.apache.hadoop.hdfs.server.namenode with parameters of type INode

Modifier	Constructor	Description
	INodeReference(INode parent, INode referred)
	SnapshotAndINode(int snapshot, INode inode)
	WithCount(INodeReference parent, INode referred)

Constructor parameters in org.apache.hadoop.hdfs.server.namenode with type arguments of type INode

Modifier	Constructor	Description
	ReclaimContext(BlockStoragePolicySuite bsps, INode.BlocksMapUpdateInfo collectedBlocks, List<INode> removedINodes, List<Long> removedUCFiles)

Uses of INode in org.apache.hadoop.hdfs.server.namenode.snapshot

Subclasses of INode in org.apache.hadoop.hdfs.server.namenode.snapshot

Modifier and Type	Class	Description
static class	Snapshot.Root	The root directory of the snapshot.

Methods in org.apache.hadoop.hdfs.server.namenode.snapshot that return INode

Modifier and Type	Method	Description
INode	DirectoryWithSnapshotFeature.getChild(INodeDirectory currentINode, byte[] name, int snapshotId)
INode	Snapshot.Root.getChild(byte[] name, int snapshotId)
static INode	SnapshotFSImageFormat.loadCreated(byte[] createdNodeName, INodeDirectory parent)	Load a node stored in the created list from fsimage.
INode	DirectoryWithSnapshotFeature.saveChild2Snapshot(INodeDirectory currentINode, INode child, int latestSnapshotId, INode snapshotCopy)	Used to record the modification of a symlink node

Methods in org.apache.hadoop.hdfs.server.namenode.snapshot that return types with arguments of type INode

Modifier and Type	Method	Description
ReadOnlyList<INode>	DirectoryWithSnapshotFeature.getChildrenList(INodeDirectory currentINode, int snapshotId)
ReadOnlyList<INode>	Snapshot.Root.getChildrenList(int snapshotId)

Methods in org.apache.hadoop.hdfs.server.namenode.snapshot with parameters of type INode

Modifier and Type	Method	Description
boolean	DirectoryWithSnapshotFeature.addChild(INodeDirectory parent, INode inode, boolean setModTime, int latestSnapshotId)	Add an inode into parent's children list.
static void	DirectoryWithSnapshotFeature.destroyDstSubtree(INode.ReclaimContext reclaimContext, INode inode, int snapshot, int prior)	Destroy a subtree under a DstReference node.
static int	Snapshot.findLatestSnapshot(INode inode, int anchor)	Find the latest snapshot that 1) covers the given inode (which means the snapshot was either taken on the inode or taken on an ancestor of the inode), and 2) was taken before the given snapshot (if the given snapshot is not null).
int	DirectoryWithSnapshotFeature.DirectoryDiffList.findSnapshotDeleted(INode child)	Find the corresponding snapshot whose deleted list contains the given inode.
boolean	DirectoryWithSnapshotFeature.removeChild(INodeDirectory parent, INode child, int latestSnapshotId)	Remove an inode from parent's children list.
boolean	DirectoryWithSnapshotFeature.DirectoryDiffList.removeDeletedChild(INode child)	Remove the given child from the deleted list, if there is any.
boolean	DirectoryWithSnapshotFeature.DirectoryDiffList.replaceCreatedChild(INode oldChild, INode newChild)	Replace the given child in the created/deleted list, if there is any.
INode	DirectoryWithSnapshotFeature.saveChild2Snapshot(INodeDirectory currentINode, INode child, int latestSnapshotId, INode snapshotCopy)	Used to record the modification of a symlink node

Uses of INode in org.apache.hadoop.hdfs.server.namenode.visitor

Methods in org.apache.hadoop.hdfs.server.namenode.visitor with parameters of type INode

Modifier and Type	Method	Description
static INodeCountVisitor.Counts	INodeCountVisitor.countTree(INode root)
int	INodeCountVisitor.Counts.getCount(INode inode)
void	NamespacePrintVisitor.postVisitReferred(INode referred)
default void	NamespaceVisitor.postVisitReferred(INode referred)	Right after visiting the given referred INode.
void	NamespacePrintVisitor.preVisitReferred(INode referred)
default void	NamespaceVisitor.preVisitReferred(INode referred)	Right before visiting the given referred INode.
static String	NamespacePrintVisitor.print2Sting(INode root)
default void	NamespaceVisitor.INodeVisitor.visit(INode iNode, int snapshot)	Visiting the given INode.