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 harry.corruptor;
  
  import harry.data.ResultSetRow;
  import harry.ddl.SchemaSpec;
  import harry.model.OpSelectors;
  import harry.operations.CompiledStatement;
  import harry.operations.DeleteHelper;
  
  public class HideRowCorruptor implements RowCorruptor
  {
      private final SchemaSpec schema;
      private final OpSelectors.Clock clock;
  
      public HideRowCorruptor(SchemaSpec schemaSpec,
                              OpSelectors.Clock clock)
      {
          this.schema = schemaSpec;
          this.clock = clock;
      }
  
      // Can corrupt any row that has at least one written non-null value
      public boolean canCorrupt(ResultSetRow row)
      {
          return row != null;
      }
  
      public CompiledStatement corrupt(ResultSetRow row)
      {
          return DeleteHelper.deleteRow(schema, row.pd, row.cd, clock.rts(clock.peek()));
      }
  }
  