com.tencent.polaris.plugins.connector.grpc.codec.ServicesCacheHandler Maven / Gradle / Ivy

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/*
 *  Tencent is pleased to support the open source community by making Polaris available.
 *
 *  Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
 *
 *  Licensed under the BSD 3-Clause License (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *  https://opensource.org/licenses/BSD-3-Clause
 *
 *  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 com.tencent.polaris.plugins.connector.grpc.codec;

import com.tencent.polaris.api.plugin.registry.AbstractCacheHandler;
import com.tencent.polaris.api.pojo.RegistryCacheValue;
import com.tencent.polaris.api.pojo.ServiceEventKey.EventType;
import com.tencent.polaris.client.pojo.ServicesByProto;
import com.tencent.polaris.specification.api.v1.service.manage.ResponseProto.DiscoverResponse;


public class ServicesCacheHandler extends AbstractCacheHandler {

    @Override
    public EventType getTargetEventType() {
        return EventType.SERVICE;
    }

    @Override
    protected String getRevision(DiscoverResponse discoverResponse) {
        return "";
    }

    @Override
    public RegistryCacheValue messageToCacheValue(RegistryCacheValue oldValue, Object newValue, boolean isCacheLoaded) {
        DiscoverResponse discoverResponse = (DiscoverResponse) newValue;
        return new ServicesByProto(discoverResponse, isCacheLoaded);
    }
}