package com.coding.basic.linklist;
/**
*
* @author chenming E-mail:cm_20094020@163.com
* @version 创建时间：2017年4月10日 上午12:35:03
*/
public class CmLRUPageFrame {
private static class Node {
Node prev;
Node next;
int pageNum;
Node() {
}
}
private int capacity;
private Node first;// 链表头
private Node last;// 链表尾
public CmLRUPageFrame(int capacity) {
this.capacity = capacity;
}
/**
* 获取缓存中对象
*
* @param pageNum
*/
public void access(int pageNum) {
Node node = first;
Node foundNode = null;
while(node!=null){
if(node.pageNum==pageNum){
foundNode = node;
}
node = node.next;
}
//在该队列中存在， 则提到队列头
if(foundNode!=null){
}else{
}
}
@Override
public String toString() {
StringBuilder buffer = new StringBuilder();
Node node = first;
while (node != null) {
buffer.append(node.pageNum);
node = node.next;
if (node != null) {
buffer.append(";");
}
}
return buffer.toString();
}
}