/*******************************************************************************
 * Copyright 2016-2017 ZTE, Inc. and others.
 * 
 * Licensed 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.onap.msb.apiroute.wrapper.serviceListener;

import java.util.ArrayList;
import java.util.List;

import org.onap.msb.apiroute.api.MicroServiceFullInfo;
import org.onap.msb.apiroute.wrapper.util.ServiceFilter;

public class RouteNotify {

    private static RouteNotify instance = new RouteNotify();

    private List<IMicroServiceChangeListener> serviceListenerlist = new ArrayList<IMicroServiceChangeListener>();

    private RouteNotify() {}

    public static RouteNotify getInstance() {
        return instance;
    }


    public void addServiceChangeListener(IMicroServiceChangeListener listener) {
        synchronized (serviceListenerlist) {
            serviceListenerlist.add(listener);
        }
    }


    /*
     * public void removeServiceChangeListener(IMicroServiceChangeListener listener) { synchronized
     * (serviceListenerlist) { serviceListenerlist.remove(listener); } }
     */


    public void noticeRouteListener4Update(String serviceName, String version, MicroServiceFullInfo microServiceInfo)
                    throws Exception {
        if (ServiceFilter.getInstance().isNeedNotifyByProtocol(microServiceInfo.getProtocol())) {
            for (IMicroServiceChangeListener serviceListener : serviceListenerlist) {
                serviceListener.onChange(serviceName, version, microServiceInfo);
            }
        }

    }

    public void noticeUpdateStatusListener(MicroServiceFullInfo microServiceInfo, String status) {

        for (IMicroServiceChangeListener serviceListener : serviceListenerlist) {
            serviceListener.onStatusChange(microServiceInfo.getServiceName(), microServiceInfo.getVersion(),
                            microServiceInfo.getHost(), microServiceInfo.getProtocol(),
                            microServiceInfo.getPublish_port(), status);
        }
    }



    public void noticeRouteListener4Add(MicroServiceFullInfo microServiceInfo) throws Exception {
        if (ServiceFilter.getInstance().isNeedNotifyByProtocol(microServiceInfo.getProtocol())) {
            for (IMicroServiceChangeListener serviceListener : serviceListenerlist) {
                serviceListener.onSave(microServiceInfo);
            }
        }
    }

    public void noticeRouteListener4Delete(MicroServiceFullInfo microServiceInfo) throws Exception {
        if (ServiceFilter.getInstance().isNeedNotifyByProtocol(microServiceInfo.getProtocol())) {
            for (IMicroServiceChangeListener serviceListener : serviceListenerlist) {
                serviceListener.onDelete(microServiceInfo);
            }
        }
    }



}