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package misc;
- Mayur April 06, 2014import java.util.concurrent.ConcurrentLinkedQueue;
/**
* @author mayurjain
*
*/
public class LruCache {
private final int maxSize;
private ConcurrentLinkedQueue<String> queue = new ConcurrentLinkedQueue<String>();
public LruCache(int size) {
this.maxSize = size;
}
public void insertCache(String data) {
while (queue.size() >= maxSize) {
queue.poll();
}
queue.add(data);
}
public String getfromCache(String data) {
String dat = null;
if (queue.contains(data)) {
queue.remove(data);
dat = data;
}
insertCache(data);
return dat;
}
public void printqueue() {
System.out.println(queue);
}
public static void main(String[] args) {
LruCache cache = new LruCache(3);
cache.getfromCache("mayur");
cache.getfromCache("sumit");
cache.getfromCache("amit");
cache.printqueue();
cache.getfromCache("sumit");
cache.printqueue();
cache.getfromCache("ankit");
cache.printqueue();
}
}