2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
6 * Copyright © 2017 Amdocs
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
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15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
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23 package org.onap.aai.sparky.config.oxm;
25 import java.util.Arrays;
26 import java.util.HashMap;
27 import java.util.LinkedHashMap;
28 import java.util.List;
30 import java.util.Map.Entry;
32 import org.eclipse.persistence.dynamic.DynamicType;
33 import org.eclipse.persistence.internal.oxm.mappings.Descriptor;
34 import org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContext;
36 public class CrossEntityReferenceLookup implements OxmModelProcessor {
38 // TODO: kill singleton collaborator pattern
39 private static CrossEntityReferenceLookup instance;
41 private Map<String, HashMap<String, String>> crossReferenceEntityOxmModel;
42 private Map<String, CrossEntityReferenceDescriptor> crossReferenceEntityDescriptors;
45 private CrossEntityReferenceLookup() {
46 crossReferenceEntityOxmModel = new LinkedHashMap<String, HashMap<String, String>>();
47 crossReferenceEntityDescriptors = new HashMap<String, CrossEntityReferenceDescriptor>();
50 public synchronized static CrossEntityReferenceLookup getInstance() {
53 * I hate this method and I want it to go away. The singleton pattern is transitory, I want this
54 * class to be wired via a bean reference instead. But from the starting point, it would require
55 * fixing all the classes across the code base up front and I don't want this task to expand
56 * beyond just refactoring the OxmModelLoader. For now I'll keep the singleton pattern, but I
57 * really want to get rid of it once we are properly spring wired.
60 if (instance == null) {
61 instance = new CrossEntityReferenceLookup();
69 public void processOxmModel(DynamicJAXBContext jaxbContext) {
71 @SuppressWarnings("rawtypes")
72 List<Descriptor> descriptorsList = jaxbContext.getXMLContext().getDescriptors();
74 for (@SuppressWarnings("rawtypes")
75 Descriptor desc : descriptorsList) {
77 DynamicType entity = jaxbContext.getDynamicType(desc.getAlias());
79 LinkedHashMap<String, String> oxmProperties = new LinkedHashMap<String, String>();
81 // Not all fields have key attributes
82 if (desc.getPrimaryKeyFields() != null) {
83 oxmProperties.put("primaryKeyAttributeNames", desc.getPrimaryKeyFields().toString()
84 .replaceAll("/text\\(\\)", "").replaceAll("\\[", "").replaceAll("\\]", ""));
87 String entityName = desc.getDefaultRootElement();
90 oxmProperties.put("entityName", entityName);
92 Map<String, String> properties = entity.getDescriptor().getProperties();
93 if (properties != null) {
94 for (Map.Entry<String, String> entry : properties.entrySet()) {
96 if (entry.getKey().equalsIgnoreCase("crossEntityReference")) {
97 oxmProperties.put("crossEntityReference", entry.getValue());
102 if (oxmProperties.containsKey("crossEntityReference")) {
103 crossReferenceEntityOxmModel.put(entityName, oxmProperties);
108 for (Entry<String, HashMap<String, String>> crossRefModel : crossReferenceEntityOxmModel
110 HashMap<String, String> attribute = crossRefModel.getValue();
111 CrossEntityReferenceDescriptor entity = new CrossEntityReferenceDescriptor();
112 entity.setEntityName(attribute.get("entityName"));
113 entity.setPrimaryKeyAttributeNames(
114 Arrays.asList(attribute.get("primaryKeyAttributeNames").replace(" ", "").split(",")));
116 List<String> crossEntityRefTokens =
117 Arrays.asList(attribute.get("crossEntityReference").split(","));
119 if (crossEntityRefTokens.size() >= 2) {
120 CrossEntityReference entityRef = new CrossEntityReference();
121 entityRef.setTargetEntityType(crossEntityRefTokens.get(0));
123 for (int i = 1; i < crossEntityRefTokens.size(); i++) {
124 entityRef.addReferenceAttribute(crossEntityRefTokens.get(i));
127 entity.setCrossEntityReference(entityRef);
129 crossReferenceEntityDescriptors.put(attribute.get("entityName"), entity);
134 public Map<String, HashMap<String, String>> getCrossReferenceEntityOxmModel() {
135 return crossReferenceEntityOxmModel;
138 public void setCrossReferenceEntityOxmModel(
139 Map<String, HashMap<String, String>> crossReferenceEntityOxmModel) {
140 this.crossReferenceEntityOxmModel = crossReferenceEntityOxmModel;
143 public Map<String, CrossEntityReferenceDescriptor> getCrossReferenceEntityDescriptors() {
144 return crossReferenceEntityDescriptors;
147 public void setCrossReferenceEntityDescriptors(
148 Map<String, CrossEntityReferenceDescriptor> crossReferenceEntityDescriptors) {
149 this.crossReferenceEntityDescriptors = crossReferenceEntityDescriptors;