BdbjeReplicationConfigProviderFactory.java

// Licensed to the Apache Software Foundation (ASF) under one
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// 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
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.journal.bdbje;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import java.util.Iterator;
import java.util.ServiceLoader;

public final class BdbjeReplicationConfigProviderFactory {
    private static final Logger LOG = LogManager.getLogger(BdbjeReplicationConfigProviderFactory.class);

    private BdbjeReplicationConfigProviderFactory() {
    }

    public static BdbjeReplicationConfigProvider create() {
        ServiceLoader<BdbjeReplicationConfigProvider> loader = ServiceLoader.load(BdbjeReplicationConfigProvider.class);
        Iterator<BdbjeReplicationConfigProvider> iterator = loader.iterator();
        if (iterator.hasNext()) {
            BdbjeReplicationConfigProvider provider = iterator.next();
            LOG.info("Using BdbjeReplicationConfigProvider implementation: {}", provider.getClass().getName());
            return provider;
        }
        LOG.info("No custom BdbjeReplicationConfigProvider found, fallback to OSS implementation");
        return new OssBdbjeReplicationConfigProvider();
    }
}