benchmark/src/main/java/com/datatorrent/benchmark/cassandra/CassandraOutputOperator.java

/**
 * 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 com.datatorrent.benchmark.cassandra;

import com.datastax.driver.core.BoundStatement;
import com.datastax.driver.core.PreparedStatement;
import com.datastax.driver.core.Statement;
import com.datastax.driver.core.exceptions.DriverException;

import com.datatorrent.contrib.cassandra.AbstractCassandraTransactionableOutputOperator;

/**
 * <p>CassandraOutputOperator class.</p>
 *
 * @since 1.0.3
 */
public class CassandraOutputOperator extends AbstractCassandraTransactionableOutputOperator<Integer>
{

  private int id = 0;

  @Override
  protected PreparedStatement getUpdateCommand()
  {
    String statement = "Insert into test.cassandra_operator(id, result) values (?,?);";
    return store.getSession().prepare(statement);
  }

  @Override
  protected Statement setStatementParameters(PreparedStatement updateCommand,
      Integer tuple) throws DriverException
  {
    BoundStatement boundStmnt = new BoundStatement(updateCommand);
    return boundStmnt.bind(id++, tuple);
  }

}