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/*
 * MIT License
 * Copyright (c) 2017-2019 nuls.io
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package network.nerve.base.cache;

import network.nerve.base.data.NulsHash;

import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.CompletableFuture;

/**
 * 异步请求响应结果缓存类
 *
 * @author captain
 * @version 1.0
 * @date 18-11-12 下午2:35
 */
public class DataCacher {

    public DataCacher() {
    }

    private Map> cacher = new HashMap<>();

    public CompletableFuture addFuture(NulsHash hash) {
        CompletableFuture future = new CompletableFuture();
        cacher.put(hash, future);
        return future;
    }

    public void complete(NulsHash hash, T t) {
        CompletableFuture future = cacher.get(hash);
        if (future == null) {
            return;
        }
        future.complete(t);
        cacher.remove(hash);
    }

    public void removeFuture(NulsHash hash) {
        cacher.remove(hash);
    }
}