How to use

hasCreatorAnnotation

method

in

com.fasterxml.jackson.databind.ext.Java7Support

@Override
@Deprecated // since 2.9
public boolean hasCreatorAnnotation(Annotated a)
{
  /* No dedicated disabling; regular @JsonIgnore used if needs to be
   * ignored (and if so, is handled prior to this method getting called)
   */
   JsonCreator ann = _findAnnotation(a, JsonCreator.class);
   if (ann != null) {
     return (ann.mode() != JsonCreator.Mode.DISABLED);
   }
   // 19-Apr-2016, tatu: As per [databind#1197], [databind#1122] (and some related),
   //    may or may not consider it a creator
   if (_cfgConstructorPropertiesImpliesCreator ) {
     if (a instanceof AnnotatedConstructor) {
       if (_java7Helper != null) {
         Boolean b = _java7Helper.hasCreatorAnnotation(a);
         if (b != null) {
           return b.booleanValue();
         }
       }
     }
   }
   return false;
}

@Override
public JsonCreator.Mode findCreatorAnnotation(MapperConfig<?> config, Annotated a) {
  JsonCreator ann = _findAnnotation(a, JsonCreator.class);
  if (ann != null) {
    return ann.mode();
  }
  if (_cfgConstructorPropertiesImpliesCreator
      && config.isEnabled(MapperFeature.INFER_CREATOR_FROM_CONSTRUCTOR_PROPERTIES)
    ) {
    if (a instanceof AnnotatedConstructor) {
      if (_java7Helper != null) {
        Boolean b = _java7Helper.hasCreatorAnnotation(a);
        if ((b != null) && b.booleanValue()) {
          // 13-Sep-2016, tatu: Judgment call, but I don't think JDK ever implies
          //    use of delegate; assumes as-properties implicitly
          return JsonCreator.Mode.PROPERTIES;
        }
      }
    }
  }
  return null;
}

@Override
@Deprecated // since 2.9
public boolean hasCreatorAnnotation(Annotated a)
{
  /* No dedicated disabling; regular @JsonIgnore used if needs to be
   * ignored (and if so, is handled prior to this method getting called)
   */
   JsonCreator ann = _findAnnotation(a, JsonCreator.class);
   if (ann != null) {
     return (ann.mode() != JsonCreator.Mode.DISABLED);
   }
   // 19-Apr-2016, tatu: As per [databind#1197], [databind#1122] (and some related),
   //    may or may not consider it a creator
   if (_cfgConstructorPropertiesImpliesCreator ) {
     if (a instanceof AnnotatedConstructor) {
       if (_java7Helper != null) {
         Boolean b = _java7Helper.hasCreatorAnnotation(a);
         if (b != null) {
           return b.booleanValue();
         }
       }
     }
   }
   return false;
}

@Override
public boolean hasCreatorAnnotation(Annotated a)
{
  /* No dedicated disabling; regular @JsonIgnore used if needs to be
   * ignored (and if so, is handled prior to this method getting called)
   */
   JsonCreator ann = _findAnnotation(a, JsonCreator.class);
   if (ann != null) {
     return (ann.mode() != JsonCreator.Mode.DISABLED);
   }
   // 19-Apr-2016, tatu: As per [databind#1197], [databind#1122] (and some related),
   //    may or may not consider it a creator
   if (_cfgConstructorPropertiesImpliesCreator ) {
     if (a instanceof AnnotatedConstructor) {
       if (_java7Helper != null) {
         Boolean b = _java7Helper.hasCreatorAnnotation(a);
         if (b != null) {
           return b.booleanValue();
         }
       }
     }
   }
   return false;
}

@Override
public JsonCreator.Mode findCreatorAnnotation(MapperConfig<?> config, Annotated a) {
  JsonCreator ann = _findAnnotation(a, JsonCreator.class);
  if (ann != null) {
    return ann.mode();
  }
  if (_cfgConstructorPropertiesImpliesCreator
      && config.isEnabled(MapperFeature.INFER_CREATOR_FROM_CONSTRUCTOR_PROPERTIES)
    ) {
    if (a instanceof AnnotatedConstructor) {
      if (_java7Helper != null) {
        Boolean b = _java7Helper.hasCreatorAnnotation(a);
        if ((b != null) && b.booleanValue()) {
          // 13-Sep-2016, tatu: Judgment call, but I don't think JDK ever implies
          //    use of delegate; assumes as-properties implicitly
          return JsonCreator.Mode.PROPERTIES;
        }
      }
    }
  }
  return null;
}