content: package org.apache.cassandra.stress.operations.predefined;
  /*
   *
   * 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.
   *
   */
  
  
  import java.nio.ByteBuffer;
  import java.util.ArrayList;
  import java.util.List;
  
  import org.apache.cassandra.stress.generate.PartitionGenerator;
  import org.apache.cassandra.stress.generate.SeedManager;
  import org.apache.cassandra.stress.report.Timer;
  import org.apache.cassandra.stress.settings.Command;
  import org.apache.cassandra.stress.settings.StressSettings;
  
  public class CqlInserter extends CqlOperation<Integer>
  {
  
      public CqlInserter(Timer timer, PartitionGenerator generator, SeedManager seedManager, StressSettings settings)
      {
          super(Command.WRITE, timer, generator, seedManager, settings);
      }
  
      @Override
      protected String buildQuery()
      {
          StringBuilder query = new StringBuilder("UPDATE ")
          .append(settings.schema.keyspace)
          .append('.')
          .append(wrapInQuotes(type.table));
  
          if (settings.columns.timestamp != null)
              query.append(" USING TIMESTAMP ").append(settings.columns.timestamp);
  
          query.append(" SET ");
  
          for (int i = 0 ; i < settings.columns.maxColumnsPerKey ; i++)
          {
              if (i > 0)
                  query.append(',');
  
              query.append(wrapInQuotes(settings.columns.namestrs.get(i))).append(" = ?");
          }
  
          query.append(" WHERE KEY=?");
          return query.toString();
      }
  
      @Override
      protected List<Object> getQueryParameters(byte[] key)
      {
          final ArrayList<Object> queryParams = new ArrayList<>();
          List<ByteBuffer> values = getColumnValues();
          queryParams.addAll(values);
          queryParams.add(ByteBuffer.wrap(key));
          return queryParams;
      }
  
      @Override
      protected CqlRunOp<Integer> buildRunOp(QueryExecutor<?> queryExecutor, List<Object> params, ByteBuffer key)
      {
          return new CqlRunOpAlwaysSucceed(queryExecutor, params, key, 1);
      }
  
      public boolean isWrite()
      {
          return true;
      }
  }
  