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.euclidean.twod;
18
19 import java.util.List;
20
21 import org.apache.commons.geometry.core.partitioning.BoundaryList;
22
23 /** {@link BoundarySource2D} implementation that uses boundaries stored in
24 * a list. Lists given during construction are used directly; no copies are made.
25 * Thread safety and immutability therefore depend on the underlying list and its
26 * usage outside of this class. The boundary list cannot be modified through this
27 * class.
28 */
29 public class BoundaryList2D extends BoundaryList<Vector2D, LineConvexSubset>
30 implements BoundarySource2D {
31
32 /** Construct a new instance with the given list of boundaries. The
33 * argument is used directly; no copy is made.
34 * @param boundaries list of boundaries for the instance
35 */
36 public BoundaryList2D(final List<? extends LineConvexSubset> boundaries) {
37 super(boundaries);
38 }
39
40 /** Return this instance.
41 * @return this instance
42 */
43 @Override
44 public BoundaryList2D toList() {
45 return this;
46 }
47 }