JpaModelTest.java 文件源码

@Test
public void stringFieldsMustHaveExplicitAndConsistentLengthDefinition() {
    final Stream<Field> failedFields = filterFieldsOfManagedJpaTypes(field -> {
        final int modifiers = field.getModifiers();

        if (String.class.isAssignableFrom(field.getType()) &&
                !Modifier.isStatic(modifiers) &&
                !Modifier.isTransient(modifiers) &&
                !field.isAnnotationPresent(Transient.class) &&
                !field.isAnnotationPresent(Lob.class)) {

            final Column column = field.getAnnotation(Column.class);
            final Size size = field.getAnnotation(Size.class);

            return column == null && !hasIdGetter(field) ||
                    column != null && size != null && column.length() != size.max();
        }

        return false;
    });

    assertNoFields(failedFields,
            "These entity fields should be explicitly annotated with @Column and @Size with consistency on " +
                    "field's maximum length: ");
}