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java.lang.Objectde.umass.lastfm.cache.Cache
de.umass.lastfm.cache.MemoryCache
public class MemoryCache
This class is just for testing. You probably don't want to use it in production.
Constructor Summary | |
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MemoryCache()
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Method Summary | |
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void |
clear()
Clears the cache by effectively removing all cached data. |
boolean |
contains(String cacheEntryName)
Checks if the cache contains an entry with the given name. |
boolean |
isExpired(String cacheEntryName)
Checks if the specified entry is expired. |
InputStream |
load(String cacheEntryName)
Loads the specified entry from the cache and returns an InputStream to be read from. |
void |
remove(String cacheEntryName)
Removes the specified entry from the cache if available. |
void |
store(String cacheEntryName,
InputStream inputStream,
long expirationDate)
Stores a request in the cache. |
Methods inherited from class de.umass.lastfm.cache.Cache |
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createCacheEntryName, getExpirationPolicy, setExpirationPolicy, setHashCacheEntryNames |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public MemoryCache()
Method Detail |
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public boolean contains(String cacheEntryName)
Cache
contains
in class Cache
cacheEntryName
- An entry name
true
if the cache contains this entrypublic InputStream load(String cacheEntryName)
Cache
null
if the cache does not contain the specified cacheEntryName.
load
in class Cache
cacheEntryName
- An entry name
null
public void remove(String cacheEntryName)
Cache
remove
in class Cache
cacheEntryName
- An entry namepublic void store(String cacheEntryName, InputStream inputStream, long expirationDate)
Cache
store
in class Cache
cacheEntryName
- The entry name to be stored toinputStream
- An InputStream containing the data to be cachedexpirationDate
- The date of expiration represented in milliseconds since 1.1.1970public boolean isExpired(String cacheEntryName)
Cache
isExpired
in class Cache
cacheEntryName
- An entry name
true
if the entry is expiredpublic void clear()
Cache
clear
in class Cache
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