1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.syncope.core.persistence.jpa.content;
20
21 import java.util.Collection;
22 import java.util.Set;
23
24 final class MultiParentNodeOp {
25
26 private MultiParentNodeOp() {
27 }
28
29 public static <T> void traverseTree(final Set<MultiParentNode<T>> roots, final Collection<T> objects) {
30 for (MultiParentNode<T> root : roots) {
31 traverseTree(root, objects);
32 }
33 }
34
35 public static <T> void traverseTree(final MultiParentNode<T> root, final Collection<T> objects) {
36 root.setExploited(true);
37
38 for (MultiParentNode<T> child : root.getChildren()) {
39 if (!child.isExploited()) {
40 traverseTree(child, objects);
41 }
42 }
43
44 if (!objects.contains(root.getObject())) {
45 objects.add(root.getObject());
46 }
47 }
48 }