alluxio.client.file.cache

Class PageInfo

java.lang.Object

alluxio.client.file.cache.PageInfo

@ThreadSafe
public class PageInfo
extends Object

A class identifies the information of a single cached page.

Constructor Summary

Constructors

Constructor and Description
PageInfo(PageId pageId, long pageSize, CacheScope cacheScope, PageStoreDir pageStoreDir)
PageInfo(PageId pageId, long pageSize, CacheScope cacheScope, PageStoreDir pageStoreDir, long createdTimestamp)
PageInfo(PageId pageId, long pageSize, PageStoreDir pageStoreDir)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
long	getCreatedTimestamp()
PageStoreDir	getLocalCacheDir()
PageId	getPageId()
long	getPageSize()
CacheScope	getScope()
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

PageInfo

public PageInfo(PageId pageId,
                long pageSize,
                PageStoreDir pageStoreDir)

Parameters:

pageId - page id

pageSize - page size in bytes

pageStoreDir - directory of this page

PageInfo

public PageInfo(PageId pageId,
                long pageSize,
                CacheScope cacheScope,
                PageStoreDir pageStoreDir)

Parameters:

pageId - page id

pageSize - page size in bytes

cacheScope - scope of this page

pageStoreDir - directory of this page

PageInfo

public PageInfo(PageId pageId,
                long pageSize,
                CacheScope cacheScope,
                PageStoreDir pageStoreDir,
                long createdTimestamp)

Parameters:

pageId - page id

pageSize - page size in bytes

cacheScope - scope of this page

pageStoreDir - directory of this page

createdTimestamp - created time

Method Detail

getPageId

public PageId getPageId()

Returns:

page id

getPageSize

public long getPageSize()

Returns:

page size in bytes

getScope

public CacheScope getScope()

Returns:

scope of this page

getLocalCacheDir

public PageStoreDir getLocalCacheDir()

Returns:

directory of this page

getCreatedTimestamp

public long getCreatedTimestamp()

Returns:

the created time

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object