TriggerUtilities

TriggerUtilities.cls

public class TriggerUtilities {
  private TriggerUtilities() {
  }

  public static Boolean hasAnyFieldChanged(SObject newObj, Map<Id, SObject> oldMap, List<Schema.SObjectField> flds) {
    for (Schema.SObjectField fld : flds) {
      if (hasFieldChanged(newObj, oldMap, fld)) {
        return true;
      }
    }
    return false;
  }

  public static Boolean hasFieldChanged(SObject newObj, Map<Id, SObject> oldMap, Schema.SObjectField fld) {
    if (newObj.Id == null) {
      return true;
    }

    if (oldMap != null && oldMap.containsKey(newObj.Id)) {
      SObject oldObj = oldMap.get(newObj.Id);
      if (oldObj == null) {
        return true;
      }
      return oldObj.get(fld) != newObj.get(fld);
    }

    return true;
  }
}