com.acsinet_solutions.util.adt
Class CacheMap<K,V>

java.lang.Object
  extended by java.util.AbstractMap<K,V>
      extended by java.util.HashMap<K,V>
          extended by java.util.LinkedHashMap<K,V>
              extended by com.acsinet_solutions.util.adt.CacheMap<K,V>
All Implemented Interfaces:
java.io.Serializable, java.lang.Cloneable, java.util.Map<K,V>

public class CacheMap<K,V>
extends java.util.LinkedHashMap<K,V>

This class extends LinkedHashMap to provide a simple caching facility. It just redefines removeEldestEntry() from LinkedHashMap, and the superclass performs everything else.

Author:
Santiago Arriaga
See Also:
Serialized Form

Method Summary
static
<K,V> java.util.Map<K,V>
getInstance(int size)
          Creates a synchronized cached instance.
protected  boolean removeEldestEntry(java.util.Map.Entry<K,V> entry)
           
 
Methods inherited from class java.util.LinkedHashMap
clear, containsValue, get
 
Methods inherited from class java.util.HashMap
clone, containsKey, entrySet, isEmpty, keySet, put, putAll, remove, size, values
 
Methods inherited from class java.util.AbstractMap
equals, hashCode, toString
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface java.util.Map
containsKey, entrySet, equals, hashCode, isEmpty, keySet, put, putAll, remove, size, values
 

Method Detail

getInstance

public static <K,V> java.util.Map<K,V> getInstance(int size)
Creates a synchronized cached instance.


removeEldestEntry

protected final boolean removeEldestEntry(java.util.Map.Entry<K,V> entry)
Overrides:
removeEldestEntry in class java.util.LinkedHashMap<K,V>