= @PostalCode
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Meta-annotation for a mandatory _String_ property or parameter representing a postal code or zip code.

== API

[source,java]
.PostalCode.java
----
@interface PostalCode {
  int MAX_LENGTH;
  @AliasFor(annotation = Property.class, attribute = "maxLength")
int propertyMaxLength() default MAX_LENGTH;
  @AliasFor(annotation = Parameter.class, attribute = "maxLength")
int parameterMaxLength() default MAX_LENGTH;
  @AliasFor(annotation = Property.class, attribute = "optionality")
Optionality propertyOptionality() default Optionality.MANDATORY;
  @AliasFor(annotation = Parameter.class, attribute = "optionality")
Optionality parameterOptionality() default Optionality.MANDATORY;
  @AliasFor(annotation = javax.jdo.annotations.Column.class, attribute = "allowsNull")
String columnAllowsNull() default "false";
  @AliasFor(annotation = javax.jdo.annotations.Column.class, attribute = "length")
int columnLength() default MAX_LENGTH;
}
----

