2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017-18 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.aai.validation.edges;
23 import java.util.ArrayList;
24 import java.util.HashSet;
25 import java.util.List;
29 import org.onap.aai.edges.EdgeRuleQuery;
30 import org.onap.aai.edges.EdgeRuleQuery.Builder;
31 import org.onap.aai.edges.enums.EdgeField;
33 import com.jayway.jsonpath.DocumentContext;
36 * Applies label validation rules
39 public class UniqueLabelValidationModule {
42 * Validates that the given pair of node types have no duplicate labels in
45 * @param String nodeTypePair - of the form "typeA|typeB"
46 * @param List<DocumentContext> ctxs - the edge rule json to pull rules from
47 * (ie all files for one version)
48 * @return empty string if no errors, else string error message
50 public String validate(String nodeTypePair, List<DocumentContext> ctxs) {
51 String[] types = nodeTypePair.split("\\|");
52 EdgeRuleQuery lookup = new Builder(types[0], types[1]).build();
54 List<Map<String, String>> rules = new ArrayList<>();
55 for (DocumentContext ctx : ctxs) {
56 rules.addAll(ctx.read("$.rules.[?]", lookup.getFilter()));
59 Set<String> labelsSeen = new HashSet<>();
60 for (Map<String, String> rule : rules) {
61 String label = rule.get(EdgeField.LABEL.toString());
62 if (labelsSeen.contains(label)) {
63 return "Pair " + nodeTypePair + " has multiple rules using the same label: " + label +
64 ". Every rule between the same node type pair must have a unique label.";
66 labelsSeen.add(label);