meethngala commented on code in PR #3643:
URL: https://github.com/apache/gobblin/pull/3643#discussion_r1107785986
##########
gobblin-data-management/src/main/java/org/apache/gobblin/data/management/copy/iceberg/IcebergHiveCatalog.java:
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@@ -17,22 +17,54 @@
package org.apache.gobblin.data.management.copy.iceberg;
-import lombok.AllArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-
+import org.apache.iceberg.catalog.Catalog;
import org.apache.iceberg.catalog.TableIdentifier;
import org.apache.iceberg.hive.HiveCatalog;
+import lombok.extern.slf4j.Slf4j;
+
/**
* Hive-Metastore-based {@link IcebergCatalog}.
*/
@Slf4j
-@AllArgsConstructor
public class IcebergHiveCatalog implements IcebergCatalog {
+
+ /**
+ * Ensures pairing between {@link IcebergCatalog} and its implementation
type i.e. {@link HiveCatalog} in this case.
+ * Unfortunately, {@link
org.apache.iceberg.BaseMetastoreCatalog}.newTableOps is protected.
+ * Hence it necessitates this abtraction to define and access {@link
IcebergTable}
+ */
+ public static class HiveSpecifier implements CatalogSpecifier {
+
+ public static final String HIVE_CATALOG_TYPE = "hive";
+ @Override
+ public Class<? extends Catalog> getCatalogClass() {
+ return HiveCatalog.class;
+ }
+
+ @Override
+ public Class<? extends IcebergCatalog> getIcebergCatalogClass() {
+ return IcebergHiveCatalog.class;
+ }
+
+ @Override
+ public String getCatalogType() {
+ return HIVE_CATALOG_TYPE;
+ }
+ }
+
// NOTE: specifically necessitates `HiveCatalog`, as
`BaseMetastoreCatalog.newTableOps` is `protected`!
private final HiveCatalog hc;
+ public IcebergHiveCatalog(Catalog catalog) {
+ if (catalog instanceof HiveCatalog) {
+ hc = (HiveCatalog) catalog;
+ } else {
+ throw new IllegalArgumentException("Incorrect Catalog Provided: Catalog
cannot resolve to HiveCatalog");
Review Comment:
yeah... added the class name that came in my latest commit
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