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A tool for merging GTFS feeds.

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/**
 * Copyright (C) 2012 Google, Inc.
 *
 * Licensed 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.onebusaway.gtfs_merge.strategies;

import org.onebusaway.gtfs.model.FareAttribute;
import org.onebusaway.gtfs.model.FareRule;
import org.onebusaway.gtfs.services.GtfsRelationalDao;
import org.onebusaway.gtfs_merge.GtfsMergeContext;

/**
 * Entity merge strategy for handling {@link FareAttribute} entities.
 * 
 * @author bdferris
 */
public class FareAttributeMergeStrategy extends
    AbstractIdentifiableSingleEntityMergeStrategy {

  public FareAttributeMergeStrategy() {
    super(FareAttribute.class);
  }

  @Override
  protected void replaceDuplicateEntry(GtfsMergeContext context,
      FareAttribute oldAttribute, FareAttribute newAttribute) {
    GtfsRelationalDao source = context.getSource();
    for (FareRule fareRule : source.getFareRulesForFareAttribute(oldAttribute)) {
      fareRule.setFare(newAttribute);
    }
  }
}