com.github.javaclub.configcenter.client.conf.AppCfg Maven / Gradle / Ivy

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package com.github.javaclub.configcenter.client.conf;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.github.javaclub.configcenter.client.ConfigChangeListener;

/**
 * Appy应用维度的配置项key列表 及 相关变更监听器
 */
public class AppCfg {
	
	static Logger log = LoggerFactory.getLogger(AppCfg.class);
	
	public int appid;
	public String appkey;
	public List configKeyList = new ArrayList();
	public Map> listeners = new HashMap>();
	public Object lock = new Object();

	public void addConfigKey(String configkey, ConfigChangeListener configListener) {
		synchronized (lock) {
			if (!configKeyList.contains(configkey)) {
				configKeyList.add(configkey);
			}

			if (null != configListener) {
				if (null == listeners.get(configkey)) {
					listeners.put(configkey, new ArrayList());
				}
				if (!listeners.get(configkey).contains(configListener)) {
					listeners.get(configkey).add(configListener);
				}
			}
		}
	}
	
	public void removeConfigKey(String configkey) {
		boolean withLock = ConfigRemoveFlagHolder.get();
		if (!withLock) {
			this.doRemoveKey(configkey);
			return;
		}
		synchronized (lock) {
			this.doRemoveKey(configkey);
		}
	}
	
	void doRemoveKey(String configkey) {
		if (null != configKeyList && configKeyList.contains(configkey)) {
			configKeyList.remove(configkey);
		}
		if (null != listeners && listeners.containsKey(configkey)) {
			listeners.remove(configkey);
		}
		if (log.isInfoEnabled()) {
			log.info("Removed configKeyList and configKeyListener: {}", configkey);
		}
		
	}
	
	public void init(int appId, String appKey) {
		this.appid = appId;
		this.appkey = appKey;
	}

	public int getAppid() {
		return appid;
	}

	public void setAppid(int appid) {
		this.appid = appid;
	}

	public String getAppkey() {
		return appkey;
	}

	public void setAppkey(String appkey) {
		this.appkey = appkey;
	}

	@Override
	public String toString() {
		return "AppCfg [appid=" + appid + ", appkey=" + appkey + ", configKeyList=" + configKeyList + ", listeners=" + listeners
				+ ", lock=" + lock + "]";
	}
}