IcebergTableCacheValue.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;

import org.apache.doris.datasource.NameMapping;
import org.apache.doris.datasource.metacache.MetaCacheSizeEstimate;
import org.apache.doris.datasource.metacache.MetaCacheSizeEstimator;

import org.apache.iceberg.Table;

public class IcebergTableCacheValue {
    private Table icebergTable;
    private MetaCacheSizeEstimate sizeEstimate;

    public IcebergTableCacheValue(Table icebergTable) {
        this.icebergTable = icebergTable;
    }

    public Table getIcebergTable() {
        return IcebergSnapshotCacheValue.createServiceBackedTable(icebergTable);
    }

    MetaCacheSizeEstimate prepareForCachePublication(NameMapping key) {
        if (sizeEstimate == null) {
            sizeEstimate = MetaCacheSizeEstimator.estimateSafely("iceberg_table_preparation_failed", () -> {
                icebergTable = IcebergSnapshotCacheValue.detachTableGeneration(icebergTable);
                IcebergSnapshotCacheValue.materializeAllSnapshotManifests(icebergTable);
                return IcebergCacheSizeEstimator.estimateTableEntry(key, this);
            });
        }
        return sizeEstimate;
    }

    public MetaCacheSizeEstimate getSizeEstimate() {
        return sizeEstimate == null
                ? MetaCacheSizeEstimate.incomplete("not_prepared") : sizeEstimate;
    }

    Table getRetainedIcebergTable() {
        return icebergTable;
    }
}