/*
 * 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.hadoop.hbase.mob;

import java.io.IOException;
import org.apache.hadoop.hbase.HBaseParameterizedTestTemplate;
import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;
import org.apache.hadoop.hbase.client.TableDescriptor;
import org.apache.hadoop.hbase.testclassification.LargeTests;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Tag;
import org.junit.jupiter.api.TestInfo;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * Mob file compaction chore in a generational batch mode test. 1. Enables batch mode for regular
 * MOB compaction, Sets batch size to 7 regions. Enables generational mode. 2. Disables periodic MOB
 * compactions, sets minimum age to archive to 10 sec 3. Creates MOB table with 20 regions 4. Loads
 * MOB data (randomized keys, 1000 rows), flushes data. 5. Repeats 4. two more times 6. Verifies
 * that we have 20 *3 = 60 mob files (equals to number of regions x 3) 7. Runs major MOB compaction.
 * 8. Verifies that number of MOB files in a mob directory is 20 x4 = 80 9. Waits for a period of
 * time larger than minimum age to archive 10. Runs Mob cleaner chore 11 Verifies that number of MOB
 * files in a mob directory is 20. 12 Runs scanner and checks all 3 * 1000 rows.
 */
@Tag(LargeTests.TAG)
@HBaseParameterizedTestTemplate(name = "{index}: useFileBasedSFT={0}")
public class TestMobCompactionOptRegionBatchMode extends TestMobCompactionWithDefaults {
  private static final Logger LOG =
    LoggerFactory.getLogger(TestMobCompactionOptRegionBatchMode.class);

  private static final int batchSize = 7;
  private MobFileCompactionChore compactionChore;

  public TestMobCompactionOptRegionBatchMode(Boolean useFileBasedSFT) {
    super(useFileBasedSFT);
  }

  @BeforeEach
  public void setUp(TestInfo testInfo) throws Exception {
    super.setUp(testInfo);
    compactionChore = new MobFileCompactionChore(conf, batchSize);
  }

  protected void additonalConfigSetup() {
    conf.setInt(MobConstants.MOB_MAJOR_COMPACTION_REGION_BATCH_SIZE, batchSize);
    conf.set(MobConstants.MOB_COMPACTION_TYPE_KEY, MobConstants.OPTIMIZED_MOB_COMPACTION_TYPE);
    conf.setLong(MobConstants.MOB_COMPACTION_MAX_FILE_SIZE_KEY, 1000000);
  }

  @Override
  protected void mobCompactImpl(TableDescriptor tableDescriptor,
    ColumnFamilyDescriptor familyDescriptor) throws IOException, InterruptedException {
    LOG.debug("compacting {} in batch mode.", tableDescriptor.getTableName());
    compactionChore.performMajorCompactionInBatches(admin, tableDescriptor, familyDescriptor);
  }

  @Override
  protected String description() {
    return "generational batch mode";
  }

}
