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Kafka on Pulsar implemented using Pulsar Protocol Handler

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/**
 * Copyright (c) 2019 - 2024 StreamNative, Inc.. All Rights Reserved.
 */
/**
 * 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 io.streamnative.pulsar.handlers.kop.topic;

import java.io.IOException;
import org.apache.bookkeeper.mledger.ManagedLedger;
import org.apache.pulsar.broker.service.BrokerService;
import org.apache.pulsar.broker.service.Topic;
import org.apache.pulsar.broker.service.TopicFactory;
import org.apache.pulsar.broker.service.nonpersistent.NonPersistentTopic;

public class KopTopicFactory implements TopicFactory {
    @Override
    public  T create(String topic, ManagedLedger ledger, BrokerService brokerService,
                                      Class topicClazz) {
        try {
            if (topicClazz == NonPersistentTopic.class) {
                return (T) new NonPersistentTopic(topic, brokerService);
            } else {
                return (T) new KopPersistentTopic(topic, ledger, brokerService);
            }
        } catch (Exception e) {
            throw new IllegalStateException(e);
        }
    }

    @Override
    public void close() throws IOException {

    }
}