blob: 39f04d67c66647bb0ab4b719ebcad54da96a845e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
/*
* Copyright © 2016-2017 European Support Limited
*
* Licensed 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.openecomp.sdc.vendorsoftwareproduct.utils;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
public class ComponentDependencyTracker {
private final Map<String, Set<String>> store = new HashMap<>();
/**
* Add dependency.
*
* @param dependent the dependent
* @param dependsOn the depends on
*/
public void addDependency(String dependent, String dependsOn) {
if (dependent != null && dependsOn != null && dependent.trim().length() > 0 && dependsOn.trim()
.length() > 0) {
Set<String> dependsOnList = store
.computeIfAbsent(dependent.toLowerCase(), k -> new HashSet<>());
dependsOnList.add(dependsOn.toLowerCase());
}
}
/**
* Is cyclic dependency present boolean.
*
* @return the boolean
*/
public boolean isCyclicDependencyPresent() {
Set<Map.Entry<String, Set<String>>> entries = store.entrySet();
for (Map.Entry<String, Set<String>> entry : entries) {
for (String dependentOn : entry.getValue()) {
if (!entry.getKey().equals(dependentOn) && isCyclicDependencyPresent(entry.getKey(),
dependentOn)) {
return true;
}
}
}
return false;
}
private boolean isCyclicDependencyPresent(String root, String dependentOn) {
Set<String> dependentOnList = store.get(dependentOn);
if (dependentOnList != null && dependentOnList.contains(root)) {
return true;
} else if (dependentOnList != null) {
for (String item : dependentOnList) {
return isCyclicDependencyPresent(root, item);
}
}
return false;
}
}
|