org.apache.iotdb.db.writelog.io

类 MultiFileLogReader

java.lang.Object

org.apache.iotdb.db.writelog.io.MultiFileLogReader

所有已实现的接口:

ILogReader

public class MultiFileLogReader
extends Object
implements ILogReader

MultiFileLogReader constructs SingleFileLogReaders for a list of WAL files, and retrieve logs from the files one-by-one.

构造器概要

构造器

构造器和说明
MultiFileLogReader(File[] files)

方法概要

限定符和类型	方法和说明
void	close() release resources occupied by this object, like file streams.
boolean	hasNext() return whether there exists next log to be read.
PhysicalPlan	next() return the next log read from media like a WAL file and covert it to a PhysicalPlan.

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

MultiFileLogReader

public MultiFileLogReader(File[] files)

方法详细资料

close

public void close()

从接口复制的说明: ILogReader

release resources occupied by this object, like file streams.

指定者:

close 在接口中 ILogReader

hasNext

public boolean hasNext()
                throws FileNotFoundException

从接口复制的说明: ILogReader

return whether there exists next log to be read.

指定者:

hasNext 在接口中 ILogReader

返回:

whether there exists next log to be read.

抛出:

FileNotFoundException

next

public PhysicalPlan next()
                  throws FileNotFoundException

从接口复制的说明: ILogReader

return the next log read from media like a WAL file and covert it to a PhysicalPlan.

指定者:

next 在接口中 ILogReader

返回:

the next log as a PhysicalPlan

抛出:

FileNotFoundException