/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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.shenyu.plugin.base.cache;

import org.apache.shenyu.common.dto.DiscoverySyncData;
import org.apache.shenyu.plugin.base.handler.DiscoveryUpstreamDataHandler;
import org.apache.shenyu.sync.data.api.DiscoveryUpstreamDataSubscriber;

import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.stream.Collectors;

public class CommonDiscoveryUpstreamDataSubscriber implements DiscoveryUpstreamDataSubscriber {

    private final Map<String, DiscoveryUpstreamDataHandler> handlerMap;

    public CommonDiscoveryUpstreamDataSubscriber(final List<DiscoveryUpstreamDataHandler> discoveryUpstreamDataHandlers) {
        this.handlerMap = discoveryUpstreamDataHandlers.stream().collect(Collectors.toConcurrentMap(DiscoveryUpstreamDataHandler::pluginName, e -> e));
    }

    @Override
    public void onSubscribe(final DiscoverySyncData upstreamDataList) {
        Optional.ofNullable(handlerMap.get(upstreamDataList.getPluginName()))
                .ifPresent(handler -> handler.handlerDiscoveryUpstreamData(upstreamDataList));
    }

    @Override
    public void unSubscribe(final DiscoverySyncData upstreamDataList) {
        //ignore
    }

}
