MaxComputeMetadataCacheMgr.java

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package org.apache.doris.datasource.maxcompute;

import org.apache.doris.common.Config;
import org.apache.doris.datasource.ExternalCatalog;
import org.apache.doris.datasource.ExternalTable;
import org.apache.doris.datasource.metacache.CacheSpec;

import com.google.common.collect.Maps;

import java.util.Map;

public class MaxComputeMetadataCacheMgr {

    private final Map<Long, MaxComputeMetadataCache> maxComputeMetadataCaches = Maps.newConcurrentMap();

    public MaxComputeMetadataCacheMgr() {
    }

    public MaxComputeMetadataCache getMaxComputeMetadataCache(ExternalCatalog catalog) {
        long catalogId = catalog.getId();
        return maxComputeMetadataCaches.computeIfAbsent(catalogId,
                id -> new MaxComputeMetadataCache(resolvePartitionValuesCacheSpec(catalog)));
    }

    public MaxComputeMetadataCache getMaxComputeMetadataCache(long catalogId) {
        return maxComputeMetadataCaches.computeIfAbsent(catalogId, id -> new MaxComputeMetadataCache(
                CacheSpec.fromUnifiedProperties(java.util.Collections.emptyMap(),
                        MaxComputeEngineCache.ENGINE_TYPE, "partition-values", true,
                        Config.external_cache_expire_time_seconds_after_access, Config.max_hive_partition_cache_num)));
    }

    public void removeCache(long catalogId) {
        MaxComputeMetadataCache cache = maxComputeMetadataCaches.remove(catalogId);
        if (cache != null) {
            cache.cleanUp();
        }
    }

    public void invalidateCatalogCache(long catalogId) {
        MaxComputeMetadataCache cache = maxComputeMetadataCaches.get(catalogId);
        if (cache != null) {
            cache.cleanUp();
        }
    }

    public void invalidateDbCache(long catalogId, String dbName) {
        MaxComputeMetadataCache cache = maxComputeMetadataCaches.get(catalogId);
        if (cache != null) {
            cache.cleanDatabaseCache(dbName);
        }
    }

    public void invalidateTableCache(ExternalTable dorisTable) {
        MaxComputeMetadataCache cache = maxComputeMetadataCaches.get(dorisTable.getCatalog().getId());
        if (cache != null) {
            cache.cleanTableCache(dorisTable.getDbName(), dorisTable.getName());
        }
    }

    private CacheSpec resolvePartitionValuesCacheSpec(ExternalCatalog catalog) {
        return CacheSpec.fromUnifiedProperties(catalog.getProperties(), MaxComputeEngineCache.ENGINE_TYPE,
                "partition-values", true,
                Config.external_cache_expire_time_seconds_after_access, Config.max_hive_partition_cache_num);
    }
}