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.cache;
  
  import java.util.Objects;
  
  import org.apache.cassandra.schema.TableId;
  import org.apache.cassandra.schema.TableMetadata;
  
  public abstract class CacheKey implements IMeasurableMemory
  {
      public final TableId tableId;
      public final String indexName;
  
      protected CacheKey(TableId tableId, String indexName)
      {
          this.tableId = tableId;
          this.indexName = indexName;
      }
  
      public CacheKey(TableMetadata metadata)
      {
          this(metadata.id, metadata.indexName().orElse(null));
      }
  
      public boolean sameTable(TableMetadata tableMetadata)
      {
          return tableId.equals(tableMetadata.id)
                 && Objects.equals(indexName, tableMetadata.indexName().orElse(null));
      }
  }
  