/*
 *  Copyright (c) 2021, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 *  WSO2 Inc. licenses this file to you under the Apache License,
 *  Version 2.0 (the "License"); you may not use this file except
 *  in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */


package org.apache.synapse.transport.dynamicconfigurations;

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.Executors;

/**
 * Class which holds all DynamicProfileReloaders created.
 */
public class DynamicProfileReloaderHolder {

    private static DynamicProfileReloaderHolder instance = new DynamicProfileReloaderHolder();

    private static List<FileUpdateNotificationHandler> notificationHandlers = new ArrayList();

    public static DynamicProfileReloaderHolder getInstance() {
        return instance;
    }

    public void addNotificationHandler(FileUpdateNotificationHandler handler) {
        notificationHandlers.add(handler);
    }

    public void reloadAllHandlers() {
        for (FileUpdateNotificationHandler handler : notificationHandlers) {
            Executors.newSingleThreadExecutor().execute(handler);
        }
    }

}
