All Implemented Interfaces:


public abstract class DiskLruCache<T extends Object>

A disk-based LRU cache for storing data.

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description

Field Summary

Fields
Modifier and Type	Field	Description
`private final File`	`cacheDirectory`
`private final Long`	`cacheSizeLimit`

Constructor Summary

Constructors
Constructor	Description
`DiskLruCache(String cacheDir, Long maxSize, Float diskSpaceAllocationRatio)`

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`final File`	`getCacheDirectory()`	The directory where the cache files are stored.
`final Long`	`getCacheSizeLimit()`	The effective cache size limit in bytes.
`final T`	`get(String key)`	Get data from disk cache
`abstract T`	`readFromFile(File file)`
`final Unit`	`put(String key, T value)`	Put data to disk cache
`abstract Unit`	`writeToFile(File file, T value)`
`final Unit`	`remove(String key)`	Remove data from cache
`final Unit`	`clear()`	Clear all cached files
`final Long`	`size()`	Get current cache size in bytes

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - DiskLruCache
```
DiskLruCache(String cacheDir, Long maxSize, Float diskSpaceAllocationRatio)
```
    Parameters:
    
    cacheDir - cache directory name
    
    maxSize - maximum size of the cache in bytes
    
    diskSpaceAllocationRatio - disk space allocation ratio for the cache
- Method Detail
  - getCacheDirectory
```
 final File getCacheDirectory()
```
    The directory where the cache files are stored.
  - getCacheSizeLimit
```
 final Long getCacheSizeLimit()
```
    The effective cache size limit in bytes.
    This value is calculated as diskSpaceAllocationRatio of available disk space, constrained to be at most maxSize. If calculation fails, defaults to maxSize.
  - get
```
@WorkerThread() final T get(String key)
```
    Get data from disk cache
    
    Parameters:
    
    key - cache key
    
    Returns:
    
    cached data or null if not found
  - readFromFile
```
 abstract T readFromFile(File file)
```
  - put
```
@WorkerThread() final Unit put(String key, T value)
```
    Put data to disk cache
    
    Parameters:
    
    key - cache key
    
    value - data to cache
  - writeToFile
```
 abstract Unit writeToFile(File file, T value)
```
  - remove
```
@WorkerThread() final Unit remove(String key)
```
    Remove data from cache
    
    Parameters:
    
    key - cache key
  - clear
```
@WorkerThread() final Unit clear()
```
    Clear all cached files
  - size
```
 final Long size()
```
    Get current cache size in bytes

Class DiskLruCache

Nested Class Summary

Field Summary

Constructor Summary

Enum Constant Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

DiskLruCache

Method Detail

getCacheDirectory

getCacheSizeLimit

get

readFromFile

put

writeToFile

remove

clear

size