2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017-2018 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.onap.aai.serialization.queryformats;
23 import com.google.gson.JsonObject;
24 import com.google.gson.JsonParser;
26 import java.util.Optional;
28 import org.apache.tinkerpop.gremlin.structure.Vertex;
29 import org.onap.aai.db.props.AAIProperties;
30 import org.onap.aai.introspection.Loader;
31 import org.onap.aai.serialization.db.DBSerializer;
32 import org.onap.aai.serialization.queryformats.exceptions.AAIFormatVertexException;
33 import org.onap.aai.serialization.queryformats.params.Depth;
34 import org.onap.aai.serialization.queryformats.params.NodesOnly;
35 import org.onap.aai.serialization.queryformats.utils.UrlBuilder;
36 import org.onap.aai.util.AAIConfig;
38 public class ResourceWithSoT extends MultiFormatMapper {
39 protected JsonParser parser = new JsonParser();
40 protected final DBSerializer serializer;
41 protected final Loader loader;
42 protected final UrlBuilder urlBuilder;
43 protected final int depth;
44 protected final boolean nodesOnly;
46 protected ResourceWithSoT(Builder builder) {
47 this.urlBuilder = builder.getUrlBuilder();
48 this.loader = builder.getLoader();
49 this.serializer = builder.getSerializer();
50 this.depth = builder.getDepth();
51 this.nodesOnly = builder.isNodesOnly();
55 public int parallelThreshold() {
59 public static class Builder implements NodesOnly<Builder>, Depth<Builder> {
61 protected final Loader loader;
62 protected final DBSerializer serializer;
63 protected final UrlBuilder urlBuilder;
64 protected boolean includeUrl = false;
65 protected boolean nodesOnly = false;
66 protected int depth = 1;
67 protected boolean modelDriven = false;
69 public Builder(Loader loader, DBSerializer serializer, UrlBuilder urlBuilder) {
71 this.serializer = serializer;
72 this.urlBuilder = urlBuilder;
75 protected Loader getLoader() {
79 protected DBSerializer getSerializer() {
80 return this.serializer;
83 protected UrlBuilder getUrlBuilder() {
84 return this.urlBuilder;
87 public Builder includeUrl() {
88 this.includeUrl = true;
92 public Builder nodesOnly(Boolean nodesOnly) {
93 this.nodesOnly = nodesOnly;
97 public boolean isNodesOnly() {
98 return this.nodesOnly;
101 public Builder depth(Integer depth) {
106 public int getDepth() {
110 public boolean isIncludeUrl() {
111 return this.includeUrl;
114 public Builder modelDriven() {
115 this.modelDriven = true;
119 public boolean getModelDriven() {
120 return this.modelDriven;
123 public ResourceWithSoT build() {
124 return new ResourceWithSoT(this);
130 * Returns an Optional<JsonObject> to convert the contents from the given Vertex object into a JsonObject.
131 * The fields returned are to record the time stamp of the creation/modification of the object, the user responsible
133 * the change, and the last http method performed on the object.
137 * @throws AAIFormatVertexException
140 protected Optional<JsonObject> getJsonFromVertex(Vertex v) throws AAIFormatVertexException {
145 JsonObject json = new JsonObject();
147 Object createdTimestampObj = v.property(AAIProperties.CREATED_TS).value();
148 Object lastModifiedTimestampObj = v.property(AAIProperties.LAST_MOD_TS).value();
149 Object sotObj = v.property(AAIProperties.SOURCE_OF_TRUTH).value();
150 Object lastModSotObj = v.property(AAIProperties.LAST_MOD_SOURCE_OF_TRUTH).value();
151 long createdTimestamp = Long.valueOf(createdTimestampObj.toString());
152 long lastModifiedTimestamp = Long.valueOf(lastModifiedTimestampObj.toString());
153 long threshold = Long.valueOf(AAIConfig.get("aai.resource.format.threshold", "10"));
155 // Add to the property field of the JSON payload
156 json.addProperty("aai-created-ts", createdTimestampObj.toString());
157 json.addProperty("aai-last-mod-ts", lastModifiedTimestampObj.toString());
158 json.addProperty("source-of-truth", sotObj.toString());
159 json.addProperty("last-mod-source-of-truth", lastModSotObj.toString());
161 // Check if the timestamp difference between creation and last modification are greater than a certain
162 // threshold, and if the source of truth differs
163 // If the timestamp difference is marginal and the SoT (creator/modifier) is the same, the last action performed
164 // is likely to be a creation.
165 long timestampDiff = lastModifiedTimestamp - createdTimestamp;
166 boolean isSameSoT = sotObj.toString().equals(lastModSotObj.toString());
168 if (timestampDiff <= threshold && isSameSoT)
169 json.addProperty("last-action-performed", "Created");
171 json.addProperty("last-action-performed", "Modified");
173 return Optional.of(json);