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/*
* Licensed 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 io.trino.plugin.hudi.timeline;
import com.google.common.collect.ImmutableSet;
import io.trino.filesystem.Location;
import io.trino.filesystem.TrinoInputStream;
import io.trino.plugin.hudi.model.HudiInstant;
import io.trino.plugin.hudi.table.HudiTableMetaClient;
import io.trino.spi.TrinoException;
import java.io.IOException;
import java.util.Optional;
import java.util.Set;
import static io.trino.plugin.hudi.HudiErrorCode.HUDI_BAD_DATA;
public class HudiActiveTimeline
extends HudiDefaultTimeline
{
private static final Set VALID_EXTENSIONS_IN_ACTIVE_TIMELINE = ImmutableSet.of(
COMMIT_EXTENSION, INFLIGHT_COMMIT_EXTENSION, REQUESTED_COMMIT_EXTENSION,
DELTA_COMMIT_EXTENSION, INFLIGHT_DELTA_COMMIT_EXTENSION, REQUESTED_DELTA_COMMIT_EXTENSION,
SAVEPOINT_EXTENSION, INFLIGHT_SAVEPOINT_EXTENSION,
CLEAN_EXTENSION, REQUESTED_CLEAN_EXTENSION, INFLIGHT_CLEAN_EXTENSION,
INFLIGHT_COMPACTION_EXTENSION, REQUESTED_COMPACTION_EXTENSION,
REQUESTED_RESTORE_EXTENSION, INFLIGHT_RESTORE_EXTENSION, RESTORE_EXTENSION,
ROLLBACK_EXTENSION, REQUESTED_ROLLBACK_EXTENSION, INFLIGHT_ROLLBACK_EXTENSION,
REQUESTED_REPLACE_COMMIT_EXTENSION, INFLIGHT_REPLACE_COMMIT_EXTENSION, REPLACE_COMMIT_EXTENSION,
REQUESTED_INDEX_COMMIT_EXTENSION, INFLIGHT_INDEX_COMMIT_EXTENSION, INDEX_COMMIT_EXTENSION,
REQUESTED_SAVE_SCHEMA_ACTION_EXTENSION, INFLIGHT_SAVE_SCHEMA_ACTION_EXTENSION, SAVE_SCHEMA_ACTION_EXTENSION);
private HudiTableMetaClient metaClient;
public HudiActiveTimeline(HudiTableMetaClient metaClient)
{
// Filter all the filter in the metapath and include only the extensions passed and
// convert them into HoodieInstant
try {
this.setInstants(metaClient.scanHoodieInstantsFromFileSystem(VALID_EXTENSIONS_IN_ACTIVE_TIMELINE, true));
}
catch (IOException e) {
throw new TrinoException(HUDI_BAD_DATA, "Failed to scan metadata", e);
}
this.metaClient = metaClient;
this.details = this::getInstantDetails;
}
@Deprecated
public HudiActiveTimeline()
{
}
@Override
public Optional getInstantDetails(HudiInstant instant)
{
Location detailLocation = getInstantFileNamePath(instant.getFileName());
return readDataFromPath(detailLocation);
}
//-----------------------------------------------------------------
// BEGIN - COMPACTION RELATED META-DATA MANAGEMENT.
//-----------------------------------------------------------------
public Optional readCompactionPlanAsBytes(HudiInstant instant)
{
// Reading from auxiliary location first. In future release, we will cleanup compaction management
// to only write to timeline and skip auxiliary and this code will be able to handle it.
return readDataFromPath(Location.of(metaClient.getMetaAuxiliaryPath()).appendPath(instant.getFileName()));
}
private Location getInstantFileNamePath(String fileName)
{
Location metaPath = metaClient.getMetaPath();
if (fileName.contains(SCHEMA_COMMIT_ACTION)) {
return metaPath.appendPath(HudiTableMetaClient.SCHEMA_FOLDER_NAME).appendPath(fileName);
}
return metaPath.appendPath(fileName);
}
private Optional readDataFromPath(Location detailPath)
{
try (TrinoInputStream inputStream = metaClient.getFileSystem().newInputFile(detailPath).newStream()) {
return Optional.of(inputStream.readAllBytes());
}
catch (IOException e) {
throw new TrinoException(HUDI_BAD_DATA, "Could not read commit details from " + detailPath, e);
}
}
}
