content: /*
   * 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.kafka.tiered.storage.actions;
  
  import org.apache.kafka.server.log.remote.storage.LocalTieredStorage;
  import org.apache.kafka.server.log.remote.storage.LocalTieredStorageCondition;
  import org.apache.kafka.tiered.storage.TieredStorageTestAction;
  import org.apache.kafka.tiered.storage.TieredStorageTestContext;
  import org.apache.kafka.tiered.storage.specs.RemoteDeleteSegmentSpec;
  
  import java.io.PrintStream;
  import java.util.List;
  import java.util.concurrent.ExecutionException;
  import java.util.concurrent.TimeUnit;
  import java.util.concurrent.TimeoutException;
  
  import static org.apache.kafka.server.log.remote.storage.LocalTieredStorageCondition.expectEvent;
  import static org.apache.kafka.server.log.remote.storage.LocalTieredStorageEvent.EventType.DELETE_PARTITION;
  import static org.apache.kafka.server.log.remote.storage.LocalTieredStorageEvent.EventType.DELETE_SEGMENT;
  
  public final class DeleteTopicAction implements TieredStorageTestAction {
  
      private static final int DELETE_WAIT_TIMEOUT_SEC = 10;
      private final String topic;
      private final List<RemoteDeleteSegmentSpec> deleteSegmentSpecs;
      private final Boolean shouldDelete;
  
      public DeleteTopicAction(String topic,
                               List<RemoteDeleteSegmentSpec> deleteSegmentSpecs,
                               Boolean shouldDelete) {
          this.topic = topic;
          this.deleteSegmentSpecs = deleteSegmentSpecs;
          this.shouldDelete = shouldDelete;
      }
  
      @Override
      public void doExecute(TieredStorageTestContext context)
              throws ExecutionException, InterruptedException, TimeoutException {
          List<LocalTieredStorage> tieredStorages = context.remoteStorageManagers();
          List<LocalTieredStorageCondition> tieredStorageConditions = deleteSegmentSpecs.stream()
                  .filter(spec -> spec.getEventType() == DELETE_SEGMENT || spec.getEventType() == DELETE_PARTITION)
                  .map(spec -> expectEvent(
                          tieredStorages,
                          spec.getEventType(),
                          spec.getSourceBrokerId(),
                          spec.getTopicPartition(),
                          false,
                          spec.getEventCount()))
                  .toList();
          if (shouldDelete) {
              context.deleteTopic(topic);
          }
          if (!tieredStorageConditions.isEmpty()) {
              // In stop partitions call, leader tries to delete the remote log partition. Once the partition deletion is
              // successful, then the leader sends DELETE_SEGMENT_FINISHED event to __remote_log_metadata topic.
              // And, the replica's which listens to the internal topic, updates it's internal cache and drops the segment
              // metadata from the cache.
              tieredStorageConditions.stream()
                      .reduce(LocalTieredStorageCondition::and)
                      .get()
                      .waitUntilTrue(DELETE_WAIT_TIMEOUT_SEC, TimeUnit.SECONDS);
          }
      }
  
      @Override
      public void describe(PrintStream output) {
          String action = shouldDelete ? "delete-topic" : "wait-for-segment-deletion";
          output.println(action + ": " + topic);
          deleteSegmentSpecs.forEach(spec -> output.println("    " + spec));
      }
  }
  