Apex Generic method to process Database.SaveResults

ApexDmlUtil.java

public with sharing class ApexDmlUtil {
  public void processSaveResults(List<Database.SaveResult> results) {
    List<String> errors;
    for (Database.SaveResult r : results) {
      if (!r.isSuccess()) {
        RAL_MetricService.increment(RAL_MetricService.Metric.Errored, this.file.Id);
        errors = new List<String>();
        for (Database.Error e : r.errors) {
          errors.add(e.message);
        }
      }
    }
    System.debug(LoggingLevel.ERROR, String.join(errors, '\n'));
  }
}