| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE |
| * file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file |
| * to You under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the |
| * License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on |
| * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations under the License. |
| */ |
| package org.apache.tuweni.units.bigints; |
| |
| import com.google.common.collect.DiscreteDomain; |
| |
| /** |
| * A {@link DiscreteDomain} over {@link UInt64}. |
| */ |
| public final class UInt64Domain extends DiscreteDomain<UInt64> { |
| |
| @Override |
| public UInt64 next(UInt64 value) { |
| return value.add(1); |
| } |
| |
| @Override |
| public UInt64 previous(UInt64 value) { |
| return value.subtract(1); |
| } |
| |
| @Override |
| public long distance(UInt64 start, UInt64 end) { |
| boolean negativeDistance = start.compareTo(end) < 0; |
| UInt64 distance = negativeDistance ? end.subtract(start) : start.subtract(end); |
| if (!distance.fitsLong()) { |
| return negativeDistance ? Long.MIN_VALUE : Long.MAX_VALUE; |
| } |
| long distanceLong = distance.toLong(); |
| return negativeDistance ? -distanceLong : distanceLong; |
| } |
| |
| @Override |
| public UInt64 minValue() { |
| return UInt64.MIN_VALUE; |
| } |
| |
| @Override |
| public UInt64 maxValue() { |
| return UInt64.MAX_VALUE; |
| } |
| } |