added schema validation tools

[aai/aai-common.git] / aai-schema-ingest / src / main / java / org / onap / aai / validation / edges / UniqueLabelValidationModule.java

diff --git a/aai-schema-ingest/src/main/java/org/onap/aai/validation/edges/UniqueLabelValidationModule.java b/aai-schema-ingest/src/main/java/org/onap/aai/validation/edges/UniqueLabelValidationModule.java
new file mode 100644 (file)
index 0000000..bed6cad
--- /dev/null
+++ b/aai-schema-ingest/src/main/java/org/onap/aai/validation/edges/UniqueLabelValidationModule.java
@@ -0,0 +1,73 @@
+/** 
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ *
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ */
+
+package org.onap.aai.validation.edges;
+
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+import org.onap.aai.edges.EdgeRuleQuery;
+import org.onap.aai.edges.EdgeRuleQuery.Builder;
+import org.onap.aai.edges.enums.EdgeField;
+
+import com.jayway.jsonpath.DocumentContext;
+
+/**
+ * Applies label validation rules
+ *
+ */
+public class UniqueLabelValidationModule {
+       
+       /**
+        * Validates that the given pair of node types have no duplicate labels in
+        * their edge rules
+        * 
+        * @param String nodeTypePair - of the form "typeA|typeB"
+        * @param List<DocumentContext> ctxs - the edge rule json to pull rules from
+        *                      (ie all files for one version)
+        * @return empty string if no errors, else string error message
+        */
+       public String validate(String nodeTypePair, List<DocumentContext> ctxs) {
+               String[] types = nodeTypePair.split("\\|");
+               EdgeRuleQuery lookup = new EdgeRuleQuery.Builder(types[0], types[1]).build();
+               
+               List<Map<String, String>> rules = new ArrayList<>();
+               for (DocumentContext ctx : ctxs) {
+                       rules.addAll(ctx.read("$.rules.[?]", lookup.getFilter()));
+               }
+               
+               Set<String> labelsSeen = new HashSet<>();
+               for (Map<String, String> rule : rules) {
+                       String label = rule.get(EdgeField.LABEL.toString());
+                       if (labelsSeen.contains(label)) {
+                               return "Pair " + nodeTypePair + " has multiple rules using the same label: " + label + 
+                                               ". Every rule between the same node type pair must have a unique label.";
+                       } else {
+                               labelsSeen.add(label);
+                       }
+               }
+               return "";
+       }
+}