com.baidu.disconf.client.store.inner.DisconfCenterHostFilesStore Maven / Gradle / Ivy

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https://github.com/knightliao/disconf/tree/master/disconf-client

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package com.baidu.disconf.client.store.inner;

import java.util.HashSet;
import java.util.Set;

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

/*
 * 只是进行托管的配置文件（不会注入，只负责下载和动态推送）
 */
public class DisconfCenterHostFilesStore {

    protected static final Logger LOGGER = LoggerFactory.getLogger(DisconfCenterHostFilesStore.class);

    private DisconfCenterHostFilesStore() {

    }

    /**
     * 类级的内部类，也就是静态的成员式内部类，该内部类的实例与外部类的实例 没有绑定关系，而且只有被调用到时才会装载，从而实现了延迟加载。
     */
    private static class SingletonHolder {
        /**
         * 静态初始化器，由JVM来保证线程安全
         */
        private static DisconfCenterHostFilesStore instance = new DisconfCenterHostFilesStore();
    }

    public static DisconfCenterHostFilesStore getInstance() {
        return SingletonHolder.instance;
    }

    //
    // 只是进行托管的配置文件（不会注入，只负责动态推送）
    //
    private Set justHostFiles = new HashSet();

    public Set getJustHostFiles() {
        return justHostFiles;
    }

    public void addJustHostFileSet(Set justHostFiles) {
        this.justHostFiles.addAll(justHostFiles);
    }

    public void addJustHostFile(String justHostFile) {
        this.justHostFiles.add(justHostFile);
    }
}