java-classic-code/java-commons-cache/GuavaMemCached.java

package com.primeton.damp.cache;

import com.google.common.cache.Cache;
import com.google.common.cache.CacheBuilder;

/**
 * <pre>
 *
 * Created by zhenqin.
 * User: zhenqin
 * Date: 2021/4/2
 * Time: 11:15
 * Vendor: yiidata.com
 * To change this template use File | Settings | File Templates.
 *
 * </pre>
 *
 * @author zhenqin
 */
public class GuavaMemCached implements ICache<Object> {


    /**
     * 缓存实现
     */
    final Cache<String, Object> cached = CacheBuilder.newBuilder().maximumSize(10000).initialCapacity(500).build();


    public GuavaMemCached() {
    }

    @Override
    public void add(String key, Object value) {
        cached.put(key, value);
    }

    @Override
    public void add(String key, int exp, Object value) {
        cached.put(key, value);
    }

    @Override
    public Object get(String key) {
        return cached.getIfPresent(key);
    }

    @Override
    public Object remove(String key) {
        cached.invalidate(key);
        return null;
    }

    @Override
    public int removeByPrefix(String prefix) {
        return 0;
    }

    @Override
    public void clear() {
        cached.cleanUp();
    }

    @Override
    public int size() {
        return (int)cached.size();
    }

    @Override
    public void shutdown() {
        clear();
    }
}