DLFClientPool.java

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.doris.datasource.iceberg.dlf.client;

import com.aliyun.datalake.metastore.hive2.ProxyMetaStoreClient;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.hive.conf.HiveConf;
import org.apache.hadoop.hive.metastore.IMetaStoreClient;
import org.apache.hadoop.hive.metastore.RetryingMetaStoreClient;
import org.apache.iceberg.hive.HiveClientPool;
import org.apache.iceberg.hive.RuntimeMetaException;

public class DLFClientPool extends HiveClientPool {

    private final HiveConf hiveConf;

    public DLFClientPool(int poolSize, Configuration conf) {
        super(poolSize, conf);
        this.hiveConf = new HiveConf(conf, DLFClientPool.class);
        this.hiveConf.addResource(conf);
    }

    @Override
    protected IMetaStoreClient newClient() {
        try {
            return RetryingMetaStoreClient.getProxy(hiveConf, tbl -> null, ProxyMetaStoreClient.class.getName());
        } catch (Exception e) {
            throw new RuntimeMetaException(e, "Failed to connect to Hive Metastore");
        }
    }
}