org.apache.iotdb.db.writelog.manager

接口 WriteLogNodeManager

所有已知实现类:

MultiFileLogNodeManager

public interface WriteLogNodeManager

This interface provides accesses to WriteLogNode.

方法概要

限定符和类型	方法和说明
void	close() Close all nodes.
void	deleteNode(String identifier, Consumer<ByteBuffer[]> consumer) Delete a log node.
WriteLogNode	getNode(String identifier, Supplier<ByteBuffer[]> supplier) Get a WriteLogNode by a identifier like "{storageGroupName}-{BufferWrite/Overflow}-{ nameOfTsFile}".

方法详细资料

getNode

WriteLogNode getNode(String identifier,
                     Supplier<ByteBuffer[]> supplier)

Get a WriteLogNode by a identifier like "{storageGroupName}-{BufferWrite/Overflow}-{ nameOfTsFile}". The WriteLogNode will be automatically created if not exist.

参数:

identifier - -identifier, the format: "{storageGroupName}-{BufferWrite/Overflow}-{ nameOfTsFile}"

deleteNode

void deleteNode(String identifier,
                Consumer<ByteBuffer[]> consumer)
         throws IOException

Delete a log node. If the log node does not exist, this will be an empty operation.

参数:

identifier - -identifier

抛出:

IOException

close

void close()

Close all nodes.