@Override
    public long applyAsLong(ENTITY instance) {
        return getter.applyAsLong(instance);
    }
Default implementation of the {@link GetLong}-interface.

@param <ENTITY> the entity type
@param <D>      the database type

@author Emil Forslund
@since  3.0.2
runtime-parent/runtime-field/src/main/java/com/speedment/runtime/field/internal/method/GetLongImpl.java