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 com.google.common.base.Suppliers;
import org.apache.iceberg.Table;

import java.util.function.Supplier;

public class IcebergTableCacheValue {
    private final Table icebergTable;
    private final Supplier<IcebergSnapshotCacheValue> latestSnapshotCacheValue;
    private final boolean closeFileIO;

    public IcebergTableCacheValue(Table icebergTable, Supplier<IcebergSnapshotCacheValue> latestSnapshotCacheValue) {
        this(icebergTable, latestSnapshotCacheValue, false);
    }

    /**
     * @param closeFileIO whether this cache value owns its Iceberg FileIO and should close it when evicted.
     *     Must be false when the table shares a catalog-level FileIO.
     */
    public IcebergTableCacheValue(Table icebergTable, Supplier<IcebergSnapshotCacheValue> latestSnapshotCacheValue,
            boolean closeFileIO) {
        this.icebergTable = icebergTable;
        this.latestSnapshotCacheValue = Suppliers.memoize(latestSnapshotCacheValue::get);
        this.closeFileIO = closeFileIO;
    }

    public Table getIcebergTable() {
        return icebergTable;
    }

    public IcebergSnapshotCacheValue getLatestSnapshotCacheValue() {
        return latestSnapshotCacheValue.get();
    }

    public void close() {
        if (closeFileIO) {
            icebergTable.io().close();
        }
    }
}