phet commented on code in PR #3683:
URL: https://github.com/apache/gobblin/pull/3683#discussion_r1178715485
##########
gobblin-data-management/src/main/java/org/apache/gobblin/data/management/retention/DatasetCleaner.java:
##########
@@ -164,9 +171,11 @@ public void onFailure(Throwable throwable) {
}
@Override
- public void onSuccess(Void arg0) {
+ public void onSuccess(Integer datasetsDeleted) {
DatasetCleaner.this.finishCleanSignal.get().countDown();
- LOG.info("Successfully cleaned: " + dataset.datasetURN());
+ DatasetRetentionSummary summary = new
DatasetRetentionSummary(dataset.datasetURN(), datasetsDeleted, true);
Review Comment:
is it certain we'd only ever overwrite the summary, rather than potentially
needing to add this new count to whatever accumulating sum was already tracked
for the same dataset URN?
##########
gobblin-data-management/src/main/java/org/apache/gobblin/data/management/retention/version/DatasetRetentionSummary.java:
##########
@@ -0,0 +1,31 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.gobblin.data.management.retention.version;
+
+import lombok.Data;
+
+
+/**
+ * Aggregates information from {@link
org.apache.gobblin.data.management.retention.DatasetCleaner} to
+ * track the number of versions selected for deletion for a dataset.
+ */
+@Data
+public class DatasetRetentionSummary {
+ private final String datasetUrn;
+ private final int versionsSelectedForDeletion;
+ private final boolean successfullyDeleted;
Review Comment:
in the impl, it appeared that `versionsSelectedForDeletion` is truly the
total number successfully deleted. e.g. is there any way that the number
selected might not equal a *non-zero* number successfully deleted?
if not, I suggest renaming to `versionsDeleted` and reversing the boolean to
`hadExecutionFailure`. the latter of course discerns between 0 found to delete
and >0 found, but none actually successful. calling out a tad more explicitly
in javadoc seems worthwhile
##########
gobblin-data-management/src/main/java/org/apache/gobblin/data/management/retention/dataset/CleanableDataset.java:
##########
@@ -28,10 +29,11 @@
public interface CleanableDataset extends Dataset {
/**
- * Cleans the {@link CleanableDataset}. In general, this means to apply a
+ * Cleans the {@link CleanableDataset}.
+ * Returns the number of versions marked for deletion
* {@link
org.apache.gobblin.data.management.retention.policy.RetentionPolicy} and delete
files and directories that need deleting.
Review Comment:
looks like new line 33 cut in mid-sentence to the prior javadoc.
also, prefer a `@return` tag
##########
gobblin-data-management/src/main/java/org/apache/gobblin/data/management/retention/RetentionEvents.java:
##########
@@ -34,6 +35,12 @@ static class CleanFailed {
*/
static final String FAILURE_CONTEXT_METADATA_KEY = "failureContext";
}
+
+ static class RetentionJobSummary {
Review Comment:
nit: `RetentionEvents.JobSummary` would avoid redundant `Retention`
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