package com.zy.core.cache;

import com.zy.core.ThreadHandler;
import com.zy.core.enums.SlaveType;

import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

/**
 * 线程缓存容器
 * Created by vincent on 2020/8/4
 */
public class SlaveConnection {

    private static final String _LINK = "_";

    private static final Map<String, ThreadHandler> conContain = new ConcurrentHashMap<>();

    public static void put(SlaveType type, Integer id, ThreadHandler threadHandler) {
        String key = toKey(type, id);
        remove(type, id);
        conContain.put(key, threadHandler);
    }

    public static ThreadHandler get(SlaveType type, Integer id) {
        return conContain.get(toKey(type, id));
    }

    public static void remove(SlaveType type, Integer id) {
        ThreadHandler threadHandler = get(type, id);
        if (null == threadHandler) {
            return;
        }
        conContain.remove(toKey(type, id));
        threadHandler.close();
    }

    public static Integer remove(ThreadHandler threadHandler) {
        if (null == threadHandler) {
            return null;
        }
        String key = null;
        for (Map.Entry<String, ThreadHandler> entry : conContain.entrySet()) {
            if (entry.getValue() == threadHandler) {
                key = entry.getKey();
                break;
            }
        }
        if (null != key) {
            SlaveType type = SlaveType.findInstance(key);
            Integer id = Integer.parseInt(key.split(_LINK)[1]);
            remove(type, id);
            return id;
        } else {
            return null;
        }
    }

    private static String toKey(SlaveType type, Integer id) {
        return type.toString() + _LINK + id;
    }

}