2 * ============LICENSE_START=======================================================
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
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=========================================================
21 package org.openecomp.aai.serialization.queryformats;
23 import java.io.UnsupportedEncodingException;
24 import java.util.ArrayList;
25 import java.util.List;
27 import org.apache.tinkerpop.gremlin.structure.Vertex;
29 import org.openecomp.aai.db.props.AAIProperties;
30 import org.openecomp.aai.exceptions.AAIException;
31 import org.openecomp.aai.introspection.Introspector;
32 import org.openecomp.aai.introspection.Loader;
33 import org.openecomp.aai.introspection.exceptions.AAIUnknownObjectException;
34 import org.openecomp.aai.serialization.db.DBSerializer;
35 import org.openecomp.aai.serialization.queryformats.exceptions.AAIFormatVertexException;
36 import org.openecomp.aai.serialization.queryformats.utils.UrlBuilder;
37 import com.google.gson.JsonObject;
38 import com.google.gson.JsonParser;
40 public class Resource implements FormatMapper {
42 private final Loader loader;
43 private final DBSerializer serializer;
44 private final JsonParser parser;
45 private final UrlBuilder urlBuilder;
46 private final boolean includeUrl;
48 private Resource (Builder builder) {
49 this.parser = new JsonParser();
50 this.loader = builder.getLoader();
51 this.serializer = builder.getSerializer();
52 this.urlBuilder = builder.getUrlBuilder();
53 this.includeUrl = builder.isIncludeUrl();
57 public JsonObject formatObject(Object input) throws AAIFormatVertexException {
58 Vertex v = (Vertex)input;
59 JsonObject json = new JsonObject();
61 if (this.includeUrl) {
62 json.addProperty("url", this.urlBuilder.pathed(v));
64 json.add(v.<String>property(AAIProperties.NODE_TYPE)
65 .orElse(null), this.vertexToJsonObject(v));
70 protected JsonObject vertexToJsonObject(Vertex v) throws AAIFormatVertexException {
72 final Introspector obj = getLoader().introspectorFromName(
73 v.<String>property(AAIProperties.NODE_TYPE)
77 final List<Vertex> wrapper = new ArrayList<>();
82 getSerializer().dbToObject(wrapper, obj, 1, false, "false");
83 } catch (AAIException | UnsupportedEncodingException e) {
84 throw new AAIFormatVertexException("Failed to format vertex - error while serializing: " + e.getMessage(), e);
87 final String json = obj.marshal(false);
89 return getParser().parse(json).getAsJsonObject();
90 } catch (AAIUnknownObjectException e) {
91 throw new AAIFormatVertexException("Failed to format vertex - unknown object", e);
96 public int parallelThreshold() {
100 private Loader getLoader() { return loader; }
101 private DBSerializer getSerializer() { return serializer; }
102 private JsonParser getParser() { return parser; }
104 public static class Builder {
106 private final Loader loader;
107 private final DBSerializer serializer;
108 private final UrlBuilder urlBuilder;
109 private boolean includeUrl = false;
111 public Builder(Loader loader, DBSerializer serializer, UrlBuilder urlBuilder) {
112 this.loader = loader;
113 this.serializer = serializer;
114 this.urlBuilder = urlBuilder;
117 protected Loader getLoader() {
121 protected DBSerializer getSerializer() {
122 return this.serializer;
125 protected UrlBuilder getUrlBuilder() {
126 return this.urlBuilder;
129 public Builder includeUrl() {
130 this.includeUrl = true;
134 protected boolean isIncludeUrl() {
135 return this.includeUrl;
138 public Resource build() {
139 return new Resource(this);