Package org.cyclop.service.importer.intern

Source Code of org.cyclop.service.importer.intern.SerialQueryImporter

/*
* 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.cyclop.service.importer.intern;

import java.util.Scanner;

import javax.inject.Inject;
import javax.inject.Named;

import org.apache.commons.lang.StringUtils;
import org.cyclop.model.CqlQuery;
import org.cyclop.model.CqlQueryType;
import org.cyclop.model.exception.QueryException;
import org.cyclop.service.cassandra.QueryService;
import org.cyclop.service.importer.QueryImporter;
import org.cyclop.service.importer.ResultWriter;
import org.cyclop.service.importer.model.ImportConfig;
import org.cyclop.validation.EnableValidation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/** @author Maciej Miklas */
@Named(QueryImporter.IMPL_SERIAL)
@EnableValidation
public class SerialQueryImporter extends AbstractImporter {

  private final static Logger LOG = LoggerFactory.getLogger(SerialQueryImporter.class);

  @Inject
  protected QueryService queryService;

  @Override
  void execImport(Scanner scanner, ResultWriter resultWriter, StatsCollector status, ImportConfig config) {
    while (scanner.hasNext()) {
      String nextStr = StringUtils.trimToNull(scanner.next());
      if (nextStr == null) {
        continue;
      }
      CqlQuery query = new CqlQuery(CqlQueryType.UNKNOWN, nextStr);
      long startTime = System.currentTimeMillis();
      try {
        LOG.debug("Executing: {}", query);
        queryService.executeSimple(query, config.isUpdateHistory());
        resultWriter.success(query, System.currentTimeMillis() - startTime);
        status.success.getAndIncrement();
      } catch (QueryException e) {
        status.error.getAndIncrement();
        LOG.debug(e.getMessage());
        LOG.trace(e.getMessage(), e);
        resultWriter.error(query, e, System.currentTimeMillis() - startTime);

        if (!config.isContinueWithErrors()) {
          LOG.debug("Breaking import due to an error");
          break;
        }
      }
    }
  }
}
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