2 * Copyright (c) 2015 Pantheon Technologies s.r.o. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.yangtools.yang.model.api.stmt;
10 import static com.google.common.base.Preconditions.checkArgument;
12 import com.google.common.annotations.Beta;
13 import com.google.common.collect.Range;
14 import org.eclipse.jdt.annotation.NonNull;
15 import org.opendaylight.yangtools.concepts.Immutable;
18 public abstract class UnresolvedNumber extends Number implements Immutable {
19 private static final @NonNull UnresolvedNumber MAX = new UnresolvedNumber() {
20 private static final long serialVersionUID = 1L;
23 public <T extends Number & Comparable<T>> T resolveLength(final Range<? extends T> span) {
24 return resolve(span.upperEndpoint());
28 public <T extends Number & Comparable<T>> T resolveRange(final Range<? extends T> span) {
29 return resolve(span.upperEndpoint());
33 public String toString() {
37 private Object readResolve() {
42 private static final @NonNull UnresolvedNumber MIN = new UnresolvedNumber() {
43 private static final long serialVersionUID = 1L;
46 public <T extends Number & Comparable<T>> T resolveLength(final Range<? extends T> span) {
47 return resolve(span.lowerEndpoint());
51 public <T extends Number & Comparable<T>> T resolveRange(final Range<? extends T> span) {
52 return resolve(span.lowerEndpoint());
56 public String toString() {
60 private Object readResolve() {
65 private static final long serialVersionUID = 1L;
71 public static @NonNull UnresolvedNumber min() {
75 public static @NonNull UnresolvedNumber max() {
80 public final int intValue() {
81 throw new UnsupportedOperationException();
85 public final long longValue() {
86 throw new UnsupportedOperationException();
90 public final float floatValue() {
91 throw new UnsupportedOperationException();
95 public final double doubleValue() {
96 throw new UnsupportedOperationException();
99 private static <T extends Number> T resolve(final T number) {
100 checkArgument(!(number instanceof UnresolvedNumber));
104 public abstract <T extends Number & Comparable<T>> @NonNull T resolveLength(Range<? extends T> span);
106 public abstract <T extends Number & Comparable<T>> @NonNull T resolveRange(Range<? extends T> span);
109 public abstract String toString();