Program: 77262
Project: 77262
Buggy source:
/** 
 * Checks whether the given report parameter is updated. This method checks values of report parameters and values in data set design. <p> If any input argument is null or the matched ODA parameter definition cannot be found, return <code>true</code>.
 * @param reportParam the report parameter
 * @param param the ROM data set parameter
 * @param dataSetDesign the data set design
 * @return <code>true</code> if the report paramter is updated or has noparameter definition in the data set design. Otherwise <code>false</code>.
 */
public static boolean isUpdatedReportParameter(ScalarParameterHandle reportParam,OdaDataSetParameterHandle param,DataSetDesign dataSetDesign){
  if (reportParam == null || param == null || dataSetDesign == null)   return true;
  ParameterDefinition matchedParam=getValidParameterDefinition(param,dataSetDesign.getParameters());
  if (matchedParam == null)   return true;
  ParameterDefinition reportParamDefn=DesignFactory.eINSTANCE.createParameterDefinition();
  DataElementAttributes dataAttrs=DesignFactory.eINSTANCE.createDataElementAttributes();
  dataAttrs.setName(param.getNativeName());
  Integer position=param.getPosition();
  if (position != null)   dataAttrs.setPosition(position.intValue());
  reportParamDefn.setAttributes(dataAttrs);
  reportParamDefn=new ReportParameterAdapter().updateParameterDefinitionFromReportParam(reportParamDefn,reportParam);
  String reportParamString=DesignObjectSerializer.toExternalForm(reportParamDefn);
  String matchedParamString=DesignObjectSerializer.toExternalForm(matchedParam);
  if (reportParamString.equals(matchedParamString))   return true;
  return false;
}

Fixed version (ground truth):
/** 
 * Checks whether the given report parameter is updated. This method checks values of report parameters and values in data set design. <p> If any input argument is null or the matched ODA parameter definition cannot be found, return <code>true</code>.
 * @param reportParam the report parameter
 * @param param the ROM data set parameter
 * @param dataSetDesign the data set design
 * @return <code>true</code> if the report paramter is updated or has noparameter definition in the data set design. Otherwise <code>false</code>.
 */
public static boolean isUpdatedReportParameter(ScalarParameterHandle reportParam,OdaDataSetParameterHandle param,DataSetDesign dataSetDesign){
  if (reportParam == null || param == null || dataSetDesign == null)   return true;
  ParameterDefinition matchedParam=getValidParameterDefinition(param,dataSetDesign.getParameters());
  if (matchedParam == null)   return true;
  ParameterDefinition reportParamDefn=DesignFactory.eINSTANCE.createParameterDefinition();
  DataElementAttributes dataAttrs=DesignFactory.eINSTANCE.createDataElementAttributes();
  dataAttrs.setName(param.getNativeName());
  Integer position=param.getPosition();
  if (position != null)   dataAttrs.setPosition(position.intValue());
  reportParamDefn.setAttributes(dataAttrs);
  reportParamDefn=new ReportParameterAdapter().updateParameterDefinitionFromReportParam(reportParamDefn,reportParam,dataSetDesign);
  String reportParamString=DesignObjectSerializer.toExternalForm(reportParamDefn);
  String matchedParamString=DesignObjectSerializer.toExternalForm(matchedParam);
  if (reportParamString.equals(matchedParamString))   return true;
  return false;
}