1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.commons.geometry.core; 18 19 /** Interface representing a geometric element with a size. The exact meaning 20 * of the size will vary between spaces and dimensions. For example, the size 21 * of a line is its length, while the size of a polygon is its area. 22 */ 23 public interface Sized { 24 25 /** Get the size of the instance. 26 * @return the size of the instance 27 */ 28 double getSize(); 29 30 /** Return true if the size of the instance is finite. 31 * @return true if the size of the instance is finite 32 */ 33 default boolean isFinite() { 34 return Double.isFinite(getSize()); 35 } 36 37 /** Return true if the size of the instance is infinite. 38 * @return true if the size of the instance is infinite 39 */ 40 default boolean isInfinite() { 41 return Double.isInfinite(getSize()); 42 } 43 }