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

Annotation Type Required

@Documented
 @Retention(value=RUNTIME)
 @Target(value={FIELD,PARAMETER})
 @Constraint(value=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 and Description
java.lang.String	message The message to be logged if this constraint is violated.

Element Detail

message

public abstract java.lang.String message

The message to be logged if this constraint is violated. This should normally be overridden.

Default:

"The parameter is null"