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.cassandra.repair.autorepair;
  
  import java.util.Collections;
  import java.util.List;
  import java.util.Map;
  import java.util.Objects;
  
  import com.google.common.annotations.VisibleForTesting;
  
  import org.apache.cassandra.dht.Range;
  import org.apache.cassandra.dht.Token;
  
  /**
   * Encapsulates an intent to repair the given keyspace's tables
   */
  public class KeyspaceRepairPlan
  {
      private final String keyspaceName;
  
      private final List<String> tableNames;
  
      @VisibleForTesting
      public Map<String, Map<Range<Token>, AutoRepairUtils.SizeEstimate>> ksTablesEstimatedBytes;
  
      public KeyspaceRepairPlan(String keyspaceName, List<String> tableNames, Map<String, Map<Range<Token>, AutoRepairUtils.SizeEstimate>> ksTablesEstimatedBytes)
      {
          this.keyspaceName = keyspaceName;
          this.tableNames = tableNames;
          this.ksTablesEstimatedBytes = ksTablesEstimatedBytes;
      }
  
      public String getKeyspaceName()
      {
          return keyspaceName;
      }
  
      public List<String> getTableNames()
      {
          return tableNames;
      }
  
      public long getEstimatedBytes()
      {
          return ksTablesEstimatedBytes.values().stream()
                                       .flatMap(tableMap -> tableMap.values().stream())
                                       .mapToLong(sizeEstimate -> sizeEstimate.sizeForRepair)
                                       .sum();
      }
  
      public long getTableEstimatedBytes(String keyspaceTableName)
      {
          return ksTablesEstimatedBytes.getOrDefault(keyspaceTableName,
                                                     Collections.emptyMap()).values().stream().mapToLong(sizeEstimate -> sizeEstimate.sizeForRepair).sum();
      }
  
      public AutoRepairUtils.SizeEstimate getSizeEstimate(String keyspaceTableName, Range<Token> tokenRange)
      {
          return ksTablesEstimatedBytes == null ? null
                                                : ksTablesEstimatedBytes.getOrDefault(keyspaceTableName, null) == null ? null
                                                                                                                       : ksTablesEstimatedBytes.get(keyspaceTableName).get(tokenRange);
      }
  
      @Override
      public boolean equals(Object o)
      {
          if (o == null || getClass() != o.getClass()) return false;
          KeyspaceRepairPlan that = (KeyspaceRepairPlan) o;
          return Objects.equals(keyspaceName, that.keyspaceName) && Objects.equals(tableNames, that.tableNames)
                 && Objects.equals(ksTablesEstimatedBytes, that.ksTablesEstimatedBytes);
      }
  
      @Override
      public int hashCode()
      {
          return Objects.hash(keyspaceName, tableNames, ksTablesEstimatedBytes);
      }
  
      @Override
      public String toString()
      {
          return "KeyspaceRepairPlan{" +
                 "keyspaceName='" + keyspaceName + '\'' +
                 ", tableNames=" + tableNames +
                 ", ksTablesEstimatedBytes=" + ksTablesEstimatedBytes +
                 '}';
      }
  }
  