com.xuexiang.xhttp2.cache.core

Class LruDiskCache

java.lang.Object

com.xuexiang.xhttp2.cache.core.BaseDiskCache

com.xuexiang.xhttp2.cache.core.LruDiskCache

All Implemented Interfaces:

ICache

public class LruDiskCache
extends BaseDiskCache

磁盘缓存实现类

Since:

2018/6/20 下午7:20

Author:

xuexiang

Field Summary

Fields

Modifier and Type	Field and Description
static long	CACHE_NEVER_EXPIRE 永久不过期

Constructor Summary

Constructors

Constructor and Description
LruDiskCache(IDiskConverter diskConverter, java.io.File diskDir, int appVersion, long diskMaxSize) 初始化磁盘缓存

Method Summary

Modifier and Type	Method and Description
protected boolean	doClear() 清空缓存
protected boolean	doContainsKey(java.lang.String key) 是否包含 采用protected修饰符 被子类修改
protected <T> T	doLoad(java.lang.reflect.Type type, java.lang.String key) 读取缓存
protected boolean	doRemove(java.lang.String key) 删除缓存
protected <T> boolean	doSave(java.lang.String key, T value) 保存
protected boolean	isExpiry(java.lang.String key, long existTime) 是否过期

Methods inherited from class com.xuexiang.xhttp2.cache.core.BaseDiskCache

clear, containsKey, load, remove, save

Methods inherited from class java.lang.Object

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

Field Detail

CACHE_NEVER_EXPIRE

public static final long CACHE_NEVER_EXPIRE

永久不过期

See Also:

Constant Field Values

Constructor Detail

LruDiskCache

public LruDiskCache(IDiskConverter diskConverter,
                    java.io.File diskDir,
                    int appVersion,
                    long diskMaxSize)

初始化磁盘缓存

Parameters:

diskConverter - 磁盘转化器

diskDir - 磁盘目录

appVersion - 缓存版本

diskMaxSize - 磁盘最大空间

Method Detail

doLoad

protected <T> T doLoad(java.lang.reflect.Type type,
                       java.lang.String key)

Description copied from class: BaseDiskCache

读取缓存

Specified by:

doLoad in class BaseDiskCache

doSave

protected <T> boolean doSave(java.lang.String key,
                             T value)

Description copied from class: BaseDiskCache

保存

Specified by:

doSave in class BaseDiskCache

doContainsKey

protected boolean doContainsKey(java.lang.String key)

Description copied from class: BaseDiskCache

是否包含 采用protected修饰符 被子类修改

Specified by:

doContainsKey in class BaseDiskCache

doRemove

protected boolean doRemove(java.lang.String key)

Description copied from class: BaseDiskCache

删除缓存

Specified by:

doRemove in class BaseDiskCache

doClear

protected boolean doClear()

Description copied from class: BaseDiskCache

清空缓存

Specified by:

doClear in class BaseDiskCache

isExpiry

protected boolean isExpiry(java.lang.String key,
                           long existTime)

Description copied from class: BaseDiskCache

是否过期

Specified by:

isExpiry in class BaseDiskCache