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.specs;
  
  import java.util.List;
  import java.util.Map;
  import java.util.Objects;
  
  public final class TopicSpec {
  
      private final String topicName;
      private final int partitionCount;
      private final int replicationFactor;
      private final int maxBatchCountPerSegment;
      private final Map<Integer, List<Integer>> assignment;
      private final Map<String, String> properties;
  
      /**
       * Specifies a topic-partition with attributes customized for the purpose of tiered-storage tests.
       *
       * @param topicName The name of the topic.
       * @param partitionCount The number of partitions for the topic.
       * @param replicationFactor The replication factor of the topic.
       * @param maxBatchCountPerSegment The maximal number of batch in segments of the topic.
       *                    This allows to obtain a fixed, pre-determined size for the segment, which ease
       *                    reasoning on the expected states of local and tiered storages.
       * @param properties Configuration of the topic customized for the purpose of tiered-storage tests.
       */
      public TopicSpec(String topicName,
                       int partitionCount,
                       int replicationFactor,
                       int maxBatchCountPerSegment,
                       Map<Integer, List<Integer>> assignment,
                       Map<String, String> properties) {
          this.topicName = topicName;
          this.partitionCount = partitionCount;
          this.replicationFactor = replicationFactor;
          this.maxBatchCountPerSegment = maxBatchCountPerSegment;
          this.assignment = assignment;
          this.properties = properties;
      }
  
      public String getTopicName() {
          return topicName;
      }
  
      public int getPartitionCount() {
          return partitionCount;
      }
  
      public int getReplicationFactor() {
          return replicationFactor;
      }
  
      public int getMaxBatchCountPerSegment() {
          return maxBatchCountPerSegment;
      }
  
      public Map<Integer, List<Integer>> getAssignment() {
          return assignment;
      }
  
      public Map<String, String> getProperties() {
          return properties;
      }
  
      @Override
      public String toString() {
          return String.format(
                  "Topic[name=%s partition-count=%d replication-factor=%d segment-size=%d assignment=%s properties=%s]",
                  topicName, partitionCount, replicationFactor, maxBatchCountPerSegment, assignment, properties);
      }
  
      @Override
      public boolean equals(Object o) {
          if (this == o) return true;
          if (o == null || getClass() != o.getClass()) return false;
          TopicSpec topicSpec = (TopicSpec) o;
          return partitionCount == topicSpec.partitionCount
                  && replicationFactor == topicSpec.replicationFactor
                  && maxBatchCountPerSegment == topicSpec.maxBatchCountPerSegment
                  && Objects.equals(topicName, topicSpec.topicName)
                  && Objects.equals(assignment, topicSpec.assignment)
                  && Objects.equals(properties, topicSpec.properties);
      }
  
      @Override
      public int hashCode() {
          return Objects.hash(topicName, partitionCount, replicationFactor, maxBatchCountPerSegment, assignment,
                  properties);
      }
  }
  