Renaming openecomp to onap
[aai/champ.git] / src / main / java / org / onap / aai / champ / schema / DefaultChampSchemaEnforcer.java
diff --git a/src/main/java/org/onap/aai/champ/schema/DefaultChampSchemaEnforcer.java b/src/main/java/org/onap/aai/champ/schema/DefaultChampSchemaEnforcer.java
new file mode 100644 (file)
index 0000000..8ea93e5
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+/**
+ * ============LICENSE_START==========================================
+ * org.onap.aai
+ * ===================================================================
+ * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright © 2017 Amdocs
+ * ===================================================================
+ * 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.champ.schema;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import org.onap.aai.champ.exceptions.ChampSchemaViolationException;
+import org.onap.aai.champ.model.ChampConnectionConstraint;
+import org.onap.aai.champ.model.ChampField;
+import org.onap.aai.champ.model.ChampObject;
+import org.onap.aai.champ.model.ChampObjectConstraint;
+import org.onap.aai.champ.model.ChampPartition;
+import org.onap.aai.champ.model.ChampPropertyConstraint;
+import org.onap.aai.champ.model.ChampRelationship;
+import org.onap.aai.champ.model.ChampRelationshipConstraint;
+import org.onap.aai.champ.model.ChampSchema;
+
+public final class DefaultChampSchemaEnforcer implements ChampSchemaEnforcer {
+
+       @Override
+       public void validate(ChampObject champObject, ChampObjectConstraint champObjectConstraint) throws ChampSchemaViolationException {
+               for (ChampPropertyConstraint pc : champObjectConstraint.getPropertyConstraints()) {
+                       final ChampField field = pc.getField();
+                       final Optional<Object> property = champObject.getProperty(field.getName());
+                       
+                       if (pc.isRequired() && !property.isPresent()) {
+                               throw new ChampSchemaViolationException("Required property " + pc.getField().getName() + " is not present");
+                       }
+
+                       if (property.isPresent()) {
+                               switch (pc.getCardinality()) {
+                               case SINGLE:
+                                       if (!pc.getField().getJavaType().isInstance(property.get())) {
+                                               throw new ChampSchemaViolationException("Expected type " + pc.getField().getType() + " for type " + pc.getField().getName());
+                                       }
+                                       break;
+                               case LIST:
+                                       if (!(property.get() instanceof List)) throw new ChampSchemaViolationException("Expected List type for ChampCardinality." + pc.getCardinality());
+                                       break;
+                               case SET:
+                                       if (!(property.get() instanceof Set)) throw new ChampSchemaViolationException("Expected Set type for ChampCardinality." + pc.getCardinality());
+                                       break;
+                               default:
+                                       throw new RuntimeException("Unknown property constraint cardinality " + pc.getCardinality());
+                               }
+                       }
+               }
+       }
+
+       @Override
+       public void validate(ChampRelationship champRelationship,
+                       ChampRelationshipConstraint champRelationshipConstraint) throws ChampSchemaViolationException {
+
+               for (ChampPropertyConstraint pc : champRelationshipConstraint.getPropertyConstraints()) {
+                       final ChampField field = pc.getField();
+                       final Optional<Object> property = champRelationship.getProperty(field.getName());
+                       
+                       if (pc.isRequired() && !property.isPresent()) {
+                               throw new ChampSchemaViolationException("Required property " + pc.getField().getName() + " is not present");
+                       }
+
+                       if (property.isPresent() && !pc.getField().getJavaType().isInstance(property.get())) {
+                               throw new ChampSchemaViolationException("Expected type " + pc.getField().getType() + " for type " + pc.getField().getName());
+                       }
+               }
+       }
+
+       @Override
+       public void validate(ChampPartition champPartition, ChampSchema schema) throws ChampSchemaViolationException {
+       
+               for (ChampObject object : champPartition.getChampObjects()) {
+                       final Optional<ChampObjectConstraint> objConstraint = schema.getObjectConstraint(object.getType());
+
+                       if (!objConstraint.isPresent()) continue;
+                       
+                       validate(object, objConstraint.get());
+
+                       final Map<String, Set<ChampRelationship>> incidentRelationshipsByType = champPartition.getIncidentRelationshipsByType(object);
+
+                       for (Map.Entry<String, Set<ChampRelationship>> incidentRelationshipsOfType : incidentRelationshipsByType.entrySet()) {
+                               final Optional<ChampRelationshipConstraint> relConstraint = schema.getRelationshipConstraint(incidentRelationshipsOfType.getKey());
+
+                               if (relConstraint.isPresent()) {
+                                       final ChampRelationshipConstraint relationshipConstraint = relConstraint.get();
+                                       final Map<ChampConnectionConstraint, AtomicInteger> connectionCounts = new HashMap<ChampConnectionConstraint, AtomicInteger> ();
+
+                                       for (ChampRelationship incidentRelationship : incidentRelationshipsOfType.getValue()) {
+                                               final Optional<ChampConnectionConstraint> connectionConstraint = relationshipConstraint.getConnectionConstraint(incidentRelationship);
+
+                                               validate(incidentRelationship, relationshipConstraint);
+
+                                               if (connectionConstraint.isPresent()) {
+
+                                                       if (!connectionCounts.containsKey(connectionConstraint.get())) {
+                                                               connectionCounts.put(connectionConstraint.get(), new AtomicInteger(0));
+                                                       }
+
+                                                       final int connectionCount = connectionCounts.get(connectionConstraint.get()).incrementAndGet();
+
+                                                       switch (connectionConstraint.get().getMultiplicity()) {
+                                                       case MANY:
+                                                               //Always valid
+                                                       break;
+                                                       case NONE:
+                                                               if (connectionCount > 0) throw new ChampSchemaViolationException("Violated connection constraint " + connectionConstraint.get());
+                                                       break;
+                                                       case ONE:
+                                                               if (connectionCount > 1) throw new ChampSchemaViolationException("Violated connection constraint " + connectionConstraint.get());
+                                                       break;
+                                                       default:
+                                                       break;
+                                                       }
+                                               }
+                                       }
+                               }
+                               
+                       }
+               }
+       }
+}