2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017 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=========================================================
20 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
23 package org.onap.aai.validation.edges;
25 import java.util.ArrayList;
26 import java.util.HashSet;
27 import java.util.List;
31 import org.onap.aai.edges.EdgeRuleQuery;
32 import org.onap.aai.edges.EdgeRuleQuery.Builder;
33 import org.onap.aai.edges.enums.EdgeField;
35 import com.jayway.jsonpath.DocumentContext;
38 * Applies label validation rules
41 public class UniqueLabelValidationModule {
44 * Validates that the given pair of node types have no duplicate labels in
47 * @param String nodeTypePair - of the form "typeA|typeB"
48 * @param List<DocumentContext> ctxs - the edge rule json to pull rules from
49 * (ie all files for one version)
50 * @return empty string if no errors, else string error message
52 public String validate(String nodeTypePair, List<DocumentContext> ctxs) {
53 String[] types = nodeTypePair.split("\\|");
54 EdgeRuleQuery lookup = new EdgeRuleQuery.Builder(types[0], types[1]).build();
56 List<Map<String, String>> rules = new ArrayList<>();
57 for (DocumentContext ctx : ctxs) {
58 rules.addAll(ctx.read("$.rules.[?]", lookup.getFilter()));
61 Set<String> labelsSeen = new HashSet<>();
62 for (Map<String, String> rule : rules) {
63 String label = rule.get(EdgeField.LABEL.toString());
64 if (labelsSeen.contains(label)) {
65 return "Pair " + nodeTypePair + " has multiple rules using the same label: " + label +
66 ". Every rule between the same node type pair must have a unique label.";
68 labelsSeen.add(label);