Package de.intarsys.tools.cache
Class CacheEntry<T>
- java.lang.Object
-
- de.intarsys.tools.cache.CacheEntry<T>
-
- All Implemented Interfaces:
java.lang.Comparable
public class CacheEntry<T> extends java.lang.Object implements java.lang.Comparable
An entry in the cache implementation.A cache entries "importance" is expressed by a "sample". The CacheEntry with the smallest sample is considered the least valuable.
This implementation supports a simple "most recently used" strategy.
-
-
Constructor Summary
Constructors Modifier Constructor Description protected
CacheEntry(java.lang.Object key, T value)
Create a cache entry.
-
Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description int
compareTo(java.lang.Object o)
java.lang.Object
getKey()
The key of the cache entry.int
getSample()
The sample representing the "importance" of the entry.T
getValue()
The value of the cache entry.protected void
touch()
Mark the Cache entry as recently used.
-
-
-
Constructor Detail
-
CacheEntry
protected CacheEntry(java.lang.Object key, T value)
Create a cache entry.- Parameters:
key
- The key for the entryvalue
- The value for the entry
-
-
Method Detail
-
compareTo
public int compareTo(java.lang.Object o)
- Specified by:
compareTo
in interfacejava.lang.Comparable<T>
-
getKey
public java.lang.Object getKey()
The key of the cache entry.- Returns:
- Returns the key.
-
getSample
public int getSample()
The sample representing the "importance" of the entry.- Returns:
- Returns the sample.
-
getValue
public T getValue()
The value of the cache entry.- Returns:
- Returns the value.
-
touch
protected void touch()
Mark the Cache entry as recently used.
-
-