aokolnychyi commented on code in PR #7029:
URL: https://github.com/apache/iceberg/pull/7029#discussion_r1154058565
##########
spark/v3.3/spark/src/main/java/org/apache/iceberg/spark/FileRewriteCoordinator.java:
##########
@@ -18,79 +18,23 @@
*/
package org.apache.iceberg.spark;
-import java.util.Map;
import java.util.Set;
-import java.util.stream.Collectors;
import org.apache.iceberg.DataFile;
-import org.apache.iceberg.HasTableOperations;
import org.apache.iceberg.Table;
-import org.apache.iceberg.TableOperations;
-import org.apache.iceberg.exceptions.ValidationException;
-import org.apache.iceberg.relocated.com.google.common.collect.Maps;
-import org.apache.iceberg.util.Pair;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-public class FileRewriteCoordinator {
+public class FileRewriteCoordinator extends
BaseFileRewriteCoordinator<DataFile> {
- private static final Logger LOG =
LoggerFactory.getLogger(FileRewriteCoordinator.class);
private static final FileRewriteCoordinator INSTANCE = new
FileRewriteCoordinator();
- private final Map<Pair<String, String>, Set<DataFile>> resultMap =
Maps.newConcurrentMap();
-
private FileRewriteCoordinator() {}
public static FileRewriteCoordinator get() {
return INSTANCE;
}
- /**
- * Called to persist the output of a rewrite action for a specific group.
Since the write is done
- * via a Spark Datasource, we have to propagate the result through this
side-effect call.
- *
- * @param table table where the rewrite is occurring
- * @param fileSetID the id used to identify the source set of files being
rewritten
- * @param newDataFiles the new files which have been written
- */
- public void stageRewrite(Table table, String fileSetID, Set<DataFile>
newDataFiles) {
- LOG.debug(
- "Staging the output for {} - fileset {} with {} files",
- table.name(),
- fileSetID,
- newDataFiles.size());
- Pair<String, String> id = toID(table, fileSetID);
- resultMap.put(id, newDataFiles);
- }
-
- public Set<DataFile> fetchNewDataFiles(Table table, String fileSetID) {
- Pair<String, String> id = toID(table, fileSetID);
- Set<DataFile> result = resultMap.get(id);
- ValidationException.check(
- result != null, "No results for rewrite of file set %s in table %s",
fileSetID, table);
-
- return result;
- }
-
- public void clearRewrite(Table table, String fileSetID) {
- LOG.debug("Removing entry from RewriteCoordinator for {} - id {}",
table.name(), fileSetID);
- Pair<String, String> id = toID(table, fileSetID);
- resultMap.remove(id);
- }
-
- public Set<String> fetchSetIDs(Table table) {
Review Comment:
I believe we renamed it to be `fetchSetIds` instead of `fetchSetIDs`, so
have to keep the old method for now.
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