PaimonSnapshotCacheValue.java

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package org.apache.doris.datasource.paimon;

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

public class PaimonSnapshotCacheValue {

    private PaimonPartitionInfo partitionInfo;
    private final PaimonSnapshot snapshot;
    private final boolean schemaFromSnapshotTable;
    private MetaCacheSizeEstimate sizeEstimate;

    public PaimonSnapshotCacheValue(PaimonPartitionInfo partitionInfo, PaimonSnapshot snapshot) {
        this(partitionInfo, snapshot, false);
    }

    public PaimonSnapshotCacheValue(PaimonPartitionInfo partitionInfo, PaimonSnapshot snapshot,
            boolean schemaFromSnapshotTable) {
        this.partitionInfo = partitionInfo;
        this.snapshot = snapshot;
        this.schemaFromSnapshotTable = schemaFromSnapshotTable;
    }

    public PaimonPartitionInfo getPartitionInfo() {
        return partitionInfo;
    }

    public PaimonSnapshot getSnapshot() {
        return snapshot;
    }

    public boolean isSchemaFromSnapshotTable() {
        return schemaFromSnapshotTable;
    }

    MetaCacheSizeEstimate prepareForCachePublication(PaimonSnapshotEntryKey key) {
        if (sizeEstimate == null) {
            sizeEstimate = MetaCacheSizeEstimator.estimateSafely("paimon_snapshot_preparation_failed", () -> {
                partitionInfo = partitionInfo.immutableCopy();
                return PaimonCacheSizeEstimator.estimateSnapshotEntry(key, this);
            });
        }
        return sizeEstimate;
    }

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