PaimonUtils.java

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package org.apache.doris.datasource.paimon;

import org.apache.doris.catalog.Env;
import org.apache.doris.datasource.ExternalCatalog;
import org.apache.doris.datasource.ExternalTable;
import org.apache.doris.datasource.mvcc.MvccSnapshot;

import org.apache.paimon.table.Table;

import java.util.Optional;

public class PaimonUtils {

    public static Table getPaimonTable(ExternalTable dorisTable) {
        return paimonMetadataCache(dorisTable.getCatalog()).getPaimonTable(dorisTable);
    }

    public static PaimonSnapshotCacheValue getLatestSnapshotCacheValue(ExternalTable dorisTable) {
        return paimonMetadataCache(dorisTable.getCatalog()).getSnapshotCache(dorisTable);
    }

    public static PaimonSnapshotCacheValue getSnapshotCacheValue(Optional<MvccSnapshot> snapshot,
            ExternalTable dorisTable) {
        if (snapshot.isPresent() && snapshot.get() instanceof PaimonMvccSnapshot) {
            return ((PaimonMvccSnapshot) snapshot.get()).getSnapshotCacheValue();
        }
        return getLatestSnapshotCacheValue(dorisTable);
    }

    public static PaimonSchemaCacheValue getSchemaCacheValue(ExternalTable dorisTable,
            PaimonSnapshotCacheValue snapshotValue) {
        return getSchemaCacheValue(dorisTable, snapshotValue.getSnapshot().getSchemaId());
    }

    public static PaimonSchemaCacheValue getSchemaCacheValue(ExternalTable dorisTable, long schemaId) {
        return paimonMetadataCache(dorisTable.getCatalog())
                .getPaimonSchemaCacheValue(dorisTable.getOrBuildNameMapping(), schemaId);
    }

    public static PaimonMetadataCache getPaimonMetadataCache(ExternalCatalog catalog) {
        return paimonMetadataCache(catalog);
    }

    private static PaimonMetadataCache paimonMetadataCache(ExternalCatalog catalog) {
        return Env.getCurrentEnv().getExtMetaCacheMgr().getPaimonMetadataCache(catalog);
    }
}