com.alibaba.innodb.java.reader.service

接口 StorageService

所有超级接口:

AutoCloseable, Closeable

所有已知实现类:

DirectIoStorageServiceImpl, FileChannelStorageServiceImpl, MmapStorageServiceImpl

public interface StorageService
extends Closeable

Service for reading tablespace page.

作者:

xu.zx

方法概要

限定符和类型	方法和说明
InnerPage	loadPage(long pageNumber) Load page.
FilHeader	loadPageHeader(long pageNumber) Load page header only.
long	numOfPages() Number of pages in the tablespace, call underlying storage system API to get the current value.
void	open(String ibdFilePath) Open tablespace file.

从接口继承的方法 java.io.Closeable

close

方法详细资料

open

void open(String ibdFilePath)
   throws IOException

Open tablespace file.

参数:

ibdFilePath - file path

抛出:

IOException - throws IOException when open file fails

loadPage

InnerPage loadPage(long pageNumber)
            throws ReaderException

Load page.

参数:

pageNumber - page number

返回:

InnerPage

抛出:

ReaderException - throws ReaderException when internal errors occurs

loadPageHeader

FilHeader loadPageHeader(long pageNumber)
                  throws ReaderException

Load page header only.

参数:

pageNumber - page number

返回:

FilHeader

抛出:

ReaderException - throws ReaderException when internal errors occurs

numOfPages

long numOfPages()

Number of pages in the tablespace, call underlying storage system API to get the current value.

返回:

Number of pages