Program: 74623
Project: 74623
Buggy source:
/** 
 * compare data source design
 * @param dataSourceDesign
 * @param dataSourceDesign2
 * @return
 */
private boolean isEqualDataSourceDesign(IBaseDataSourceDesign dataSourceDesign,IBaseDataSourceDesign dataSourceDesign2){
  if (dataSourceDesign == dataSourceDesign2)   return true;
  if (dataSourceDesign == null || dataSourceDesign2 == null)   return false;
  if (!isEqualString(dataSourceDesign.getName(),dataSourceDesign2.getName()))   return false;
  if (isEqualString(dataSourceDesign.getBeforeOpenScript(),dataSourceDesign2.getBeforeOpenScript()) == false || isEqualString(dataSourceDesign.getAfterOpenScript(),dataSourceDesign2.getAfterOpenScript()) == false || isEqualString(dataSourceDesign.getBeforeCloseScript(),dataSourceDesign2.getBeforeCloseScript()) == false || isEqualString(dataSourceDesign.getAfterCloseScript(),dataSourceDesign2.getAfterCloseScript()) == false)   return false;
  if (dataSourceDesign instanceof IOdaDataSourceDesign && dataSourceDesign2 instanceof IOdaDataSourceDesign) {
    IOdaDataSourceDesign dataSource=(IOdaDataSourceDesign)dataSourceDesign;
    IOdaDataSourceDesign dataSource2=(IOdaDataSourceDesign)dataSourceDesign2;
    if (isEqualString(dataSource.getExtensionID(),dataSource2.getExtensionID()) == false)     return false;
    if (isEqualProps(dataSource.getPublicProperties(),dataSource2.getPublicProperties()) == false || isEqualProps(dataSource.getPrivateProperties(),dataSource2.getPrivateProperties()) == false)     return false;
  }
 else   if (dataSourceDesign instanceof IScriptDataSourceDesign && dataSourceDesign2 instanceof IScriptDataSourceDesign) {
    IScriptDataSourceDesign dataSource=(IScriptDataSourceDesign)dataSourceDesign;
    IScriptDataSourceDesign dataSource2=(IScriptDataSourceDesign)dataSourceDesign2;
    if (isEqualString(dataSource.getOpenScript(),dataSource2.getOpenScript()) == false || isEqualString(dataSource.getCloseScript(),dataSource2.getCloseScript()) == false)     return false;
  }
  return true;
}

Fixed version (ground truth):
/** 
 * compare data source design
 * @param dataSourceDesign
 * @param dataSourceDesign2
 * @return
 */
private boolean isEqualDataSourceDesign(IBaseDataSourceDesign dataSourceDesign,IBaseDataSourceDesign dataSourceDesign2){
  if (dataSourceDesign == dataSourceDesign2)   return true;
  if (dataSourceDesign == null || dataSourceDesign2 == null)   return false;
  if (!isEqualString(dataSourceDesign.getName(),dataSourceDesign2.getName()))   return false;
  if (dataSourceDesign2.getBeforeOpenScript() != null || dataSourceDesign2.getAfterOpenScript() != null || dataSourceDesign2.getBeforeCloseScript() != null || dataSourceDesign2.getAfterCloseScript() != null)   return false;
  if (dataSourceDesign instanceof IOdaDataSourceDesign && dataSourceDesign2 instanceof IOdaDataSourceDesign) {
    IOdaDataSourceDesign dataSource=(IOdaDataSourceDesign)dataSourceDesign;
    IOdaDataSourceDesign dataSource2=(IOdaDataSourceDesign)dataSourceDesign2;
    if (isEqualString(dataSource.getExtensionID(),dataSource2.getExtensionID()) == false)     return false;
    if (isEqualProps(dataSource.getPublicProperties(),dataSource2.getPublicProperties()) == false || isEqualProps(dataSource.getPrivateProperties(),dataSource2.getPrivateProperties()) == false)     return false;
  }
 else   if (dataSourceDesign instanceof IScriptDataSourceDesign && dataSourceDesign2 instanceof IScriptDataSourceDesign) {
    IScriptDataSourceDesign dataSource=(IScriptDataSourceDesign)dataSourceDesign;
    IScriptDataSourceDesign dataSource2=(IScriptDataSourceDesign)dataSourceDesign2;
    if (isEqualString(dataSource.getOpenScript(),dataSource2.getOpenScript()) == false || isEqualString(dataSource.getCloseScript(),dataSource2.getCloseScript()) == false)     return false;
  }
  return true;
}