alluxio.master.metastore

Interface InodeStore.WriteBatch

All Superinterfaces:

java.lang.AutoCloseable

Enclosing interface:

InodeStore

public static interface InodeStore.WriteBatch
extends java.lang.AutoCloseable

Used to perform batched writes. Call InodeStore.createWriteBatch() to use batched writes. Write batches may or may not be applied atomically.

Method Summary

Modifier and Type	Method and Description
void	addChild(java.lang.Long parentId, java.lang.String childName, java.lang.Long childId) Adds an edge to the write batch.
void	close()
void	commit() Performs the batched write.
void	removeChild(java.lang.Long parentId, java.lang.String childName) Adds an edge removal operation to the write batch.
void	removeInode(java.lang.Long key) Adds an inode removal operation to the write batch.
void	writeInode(MutableInode<?> inode) Adds an inode to the write batch.

Method Detail

writeInode

void writeInode(MutableInode<?> inode)

Adds an inode to the write batch. This method serializes the inode, so future modifications to the inode will not affect the write batch.

Parameters:

inode - the inode to add

removeInode

void removeInode(java.lang.Long key)

Adds an inode removal operation to the write batch.

Parameters:

key - the key to remove

addChild

void addChild(java.lang.Long parentId,
              java.lang.String childName,
              java.lang.Long childId)

Adds an edge to the write batch.

Parameters:

parentId - the parent id

childName - the child name

childId - the child id

removeChild

void removeChild(java.lang.Long parentId,
                 java.lang.String childName)

Adds an edge removal operation to the write batch.

Parameters:

parentId - the parent id

childName - the child id

commit

void commit()

Performs the batched write.

close

void close()

Specified by:

close in interface java.lang.AutoCloseable