@Override public int hashCode() { return toStringWOPrefix().toString().hashCode(); }
StringBuilder toStringWOPrefix() { StringBuilder builder = new StringBuilder(); return builder.append(taskId.toStringWOPrefix()) .append(UNDERSCORE).append(id); }
@Override public String toString() { StringBuilder builder = new StringBuilder(); return builder.append(TASK).append(UNDERSCORE) .append(toStringWOPrefix()).toString(); }