common/src/main/java/org/onap/so/client/graphinventory/entities/GraphInventoryRelationships.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP - SO
   4  * ================================================================================
   5  * Copyright (C) 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
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  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=========================================================
  19  */
  20
  21 package org.onap.so.client.graphinventory.entities;
  22
  23 import java.io.IOException;
  24 import java.util.ArrayList;
  25 import java.util.HashMap;
  26 import java.util.List;
  27 import java.util.Map;
  28 import java.util.Optional;
  29 import java.util.function.Predicate;
  30
  31 import org.onap.so.client.aai.AAICommonObjectMapperProvider;
  32 import org.onap.so.client.aai.AAIObjectType;
  33 import org.onap.so.client.aai.entities.AAIResultWrapper;
  34 import org.onap.so.client.aai.entities.uri.AAIResourceUri;
  35 import org.onap.so.client.graphinventory.GraphInventoryCommonObjectMapperProvider;
  36 import org.onap.so.client.graphinventory.GraphInventoryObjectName;
  37 import org.onap.so.client.graphinventory.GraphInventoryObjectType;
  38 import org.onap.so.client.graphinventory.entities.uri.GraphInventoryResourceUri;
  39 import org.onap.so.jsonpath.JsonPathUtil;
  40
  41 import com.fasterxml.jackson.core.type.TypeReference;
  42 import com.fasterxml.jackson.databind.ObjectMapper;
  43
  44 public abstract class GraphInventoryRelationships<Wrapper extends GraphInventoryResultWrapper, Uri extends GraphInventoryResourceUri, Type extends GraphInventoryObjectType> {
  45
  46         protected final ObjectMapper mapper;
  47         protected Map<String, Object> map;
  48         protected final String jsonBody;
  49
  50         public GraphInventoryRelationships(String json) {
  51                 this.jsonBody = json;
  52                 this.mapper = new GraphInventoryCommonObjectMapperProvider().getMapper();
  53                 try {
  54                         this.map = mapper.readValue(json, new TypeReference<Map<String, Object>>() {});
  55                 } catch (IOException e) {
  56                         this.map = new HashMap<>();
  57                 }
  58         }
  59
  60         public List<Wrapper> getByType(GraphInventoryObjectName type) {
  61
  62                 return this.getAll(Optional.of(type));
  63         }
  64
  65         public List<Wrapper> getAll() {
  66
  67                 return this.getAll(Optional.empty());
  68         }
  69
  70
  71         public List<String> getRelatedLinks() {
  72                 return this.getRelatedLinks(Optional.empty());
  73         }
  74
  75         public List<String> getRelatedLinks(GraphInventoryObjectName type) {
  76                 return this.getRelatedLinks(Optional.of(type));
  77         }
  78
  79         public List<Uri> getRelatedUris() {
  80                 return this.getRelatedUris(x -> true);
  81         }
  82
  83         public List<Uri> getRelatedUris(GraphInventoryObjectName type) {
  84                 return this.getRelatedUris(x -> type.typeName().equals(x));
  85         }
  86         protected List<Uri> getRelatedUris(Predicate<String> p) {
  87                 List<Uri> result = new ArrayList<>();
  88                 if (map.containsKey("relationship")) {
  89                         List<Map<String, Object>> relationships = (List<Map<String, Object>>)map.get("relationship");
  90                         for (Map<String, Object> relationship : relationships) {
  91                                 final String relatedTo = (String)relationship.get("related-to");
  92                                 if (p.test(relatedTo)) {
  93                                         Type type;
  94                                         type = fromTypeName(relatedTo);
  95                                         final String relatedLink = (String)relationship.get("related-link");
  96
  97                                         result.add(createUri(type, relatedLink));
  98                                 }
  99                         }
 100                 }
 101                 return result;
 102         }
 103
 104
 105
 106         protected List<Wrapper> getAll(final Optional<GraphInventoryObjectName> type) {
 107                 List<Uri> relatedLinks;
 108                 if (type.isPresent()) {
 109                         relatedLinks = this.getRelatedUris(type.get());
 110                 } else {
 111                         relatedLinks = this.getRelatedUris();
 112                 }
 113                 ArrayList<Wrapper> result = new ArrayList<>();
 114                 for (Uri link : relatedLinks) {
 115                         result.add(this.get(link));
 116                 }
 117                 return result;
 118         }
 119
 120         protected abstract Wrapper get(Uri uri);
 121
 122         protected abstract Uri createUri(Type type, String relatedLink);
 123
 124         protected abstract Type fromTypeName(String name);
 125
 126         protected List<String> getRelatedLinks(Optional<GraphInventoryObjectName> type) {
 127                 String matcher = "";
 128                 if (type.isPresent()) {
 129                         matcher = "[?(@.related-to=='" + type.get().typeName() + "')]";
 130                 }
 131                 return JsonPathUtil.getInstance().locateResultList(this.jsonBody, String.format("$.relationship%s.related-link", matcher));
 132         }
 133
 134         public String getJson() {
 135                 return this.jsonBody;
 136         }
 137 }