PaimonTableLoader.java

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package org.apache.doris.datasource.metacache.paimon;

import org.apache.doris.catalog.Env;
import org.apache.doris.datasource.CacheException;
import org.apache.doris.datasource.NameMapping;
import org.apache.doris.datasource.paimon.PaimonExternalCatalog;

import org.apache.paimon.table.Table;

import java.io.IOException;

/**
 * Loads the base Paimon table handle used by cache entries and runtime projections.
 */
public final class PaimonTableLoader {

    public Table load(NameMapping nameMapping) {
        try {
            return catalog(nameMapping).getPaimonTable(nameMapping);
        } catch (Exception e) {
            throw new CacheException("failed to load paimon table %s.%s.%s: %s",
                    e, nameMapping.getCtlId(), nameMapping.getLocalDbName(), nameMapping.getLocalTblName(),
                    e.getMessage());
        }
    }

    public PaimonExternalCatalog catalog(NameMapping nameMapping) throws IOException {
        return (PaimonExternalCatalog) Env.getCurrentEnv().getCatalogMgr()
                .getCatalogOrException(nameMapping.getCtlId(), id -> new IOException("Catalog not found: " + id));
    }
}