protected final Predicate<ENTITY> getTester() {
        return tester;
    }
A predicate that contains meta-data about the {@link Field} that was used to
construct it.

@param <ENTITY> the entity type that is being tested
@param <FIELD>  the field in the entity that is operated on

@author Emil Forslund
@since 3.0.0
runtime-parent/runtime-field/src/main/java/com/speedment/runtime/field/internal/predicate/AbstractFieldPredicate.java