Package rocks.imsofa.ai.puppychatter.cache

Class TwoLevelFileCache

java.lang.Object

rocks.imsofa.ai.puppychatter.cache.TwoLevelFileCache

public class TwoLevelFileCache
extends Object

the first level is a partial key i.e. a key that may have conflicts the second level is a map with a real key and content the cache implementation allows only text contents

Author:

lendle

Constructor Summary

Constructors

Constructor	Description
TwoLevelFileCache(File cacheRoot)

Method Summary

Modifier and Type	Method	Description
String	encode2PartialKey(String identifier)	a partial key allows duplication to be resolved later
String	encode2RealKey(String identifier)
String	getFromCache(String identifier)
void	save2Cache(String identifier, String content)

Methods inherited from class java.lang.Object

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

Constructor Details

TwoLevelFileCache

public TwoLevelFileCache(File cacheRoot)

Method Details

getFromCache

public String getFromCache(String identifier)
                    throws Exception

Parameters:

identifier - the original identifier of the content to be cached, will be encoded to be saved to file system

Returns:

Throws:

Exception

save2Cache

public void save2Cache(String identifier,
 String content)
                throws Exception

Parameters:

identifier - the original identifier of the content to be cached, will be encoded to be saved to file system

content -

Throws:

Exception

encode2PartialKey

public String encode2PartialKey(String identifier)
                         throws Exception

a partial key allows duplication to be resolved later

Parameters:

identifier -

Returns:

Throws:

Exception

encode2RealKey

public String encode2RealKey(String identifier)
                      throws Exception

Throws:

Exception