Package org.apache.logging.log4j.core.config.plugins.validation.constraints

Annotation Type Required

@Documented @Retention(RUNTIME) @Target({FIELD,PARAMETER}) @Constraint(RequiredValidator.class) public @interface Required
Marks a plugin builder field or plugin factory parameter as required.
Since:
2.1

  • Optional Element Summary

    Optional Elements
    Modifier and Type
    Optional Element
    Description
    String
    message
    The message to be logged if this constraint is violated.

  • Element Details

    • message

      String message
      The message to be logged if this constraint is violated. This should normally be overridden. It may contain a {} placeholder for the field's name.
      Default:
      "The parameter is null: {}"