Class AuthDefaultCache

src/main/java/me/zhyd/oauth/cache/AuthDefaultCache.java:19–140

默认的缓存实现 @author yadong.zhang (yadong.zhang0415(a)gmail.com) @since 1.9.3

 * @since 1.9.3
 */
public class AuthDefaultCache implements AuthCache {

    /**
     * state cache
     */
    private static Map<String, CacheState> stateCache = new ConcurrentHashMap<>();
    private final ReentrantReadWriteLock cacheLock = new ReentrantReadWriteLock(true);
    private final Lock writeLock = cacheLock.writeLock();
    private final Lock readLock = cacheLock.readLock();

    public AuthDefaultCache() {
        if (AuthCacheConfig.schedulePrune) {
            this.schedulePrune(AuthCacheConfig.timeout);
        }
    }

    /**
     * 设置缓存
     *
     * @param key   缓存KEY
     * @param value 缓存内容
     */
    @Override
    public void set(String key, String value) {
        set(key, value, AuthCacheConfig.timeout);
    }

    /**
     * 设置缓存
     *
     * @param key     缓存KEY
     * @param value   缓存内容
     * @param timeout 指定缓存过期时间（毫秒）
     */
    @Override
    public void set(String key, String value, long timeout) {
        writeLock.lock();
        try {
            stateCache.put(key, new CacheState(value, timeout));
        } finally {
            writeLock.unlock();
        }
    }

    /**
     * 获取缓存
     *
     * @param key 缓存KEY
     * @return 缓存内容
     */
    @Override
    public String get(String key) {
        readLock.lock();
        try {
            CacheState cacheState = stateCache.get(key);
            if (null == cacheState || cacheState.isExpired()) {
                return null;
            }