2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright © 2017 AT&T Intellectual Property.
6 * Copyright © 2017 Amdocs
8 * ================================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
20 * ============LICENSE_END=========================================================
22 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
24 package org.openecomp.crud.entity;
26 import net.dongliu.gson.GsonJava8TypeAdapterFactory;
28 import com.google.gson.Gson;
29 import com.google.gson.GsonBuilder;
30 import com.google.gson.annotations.SerializedName;
32 import java.util.HashMap;
34 import java.util.Optional;
37 private static final Gson gson = new GsonBuilder()
38 .registerTypeAdapterFactory(new GsonJava8TypeAdapterFactory())
41 @SerializedName(value="id", alternate={"key"})
42 private final Optional<String> id;
43 private final String type;
44 private final Map<String, Object> properties;
45 private final Vertex source;
46 private final Vertex target;
49 private Edge(Builder builder) {
51 this.type = builder.type;
52 this.source = builder.source;
53 this.target = builder.target;
54 this.properties = builder.properties;
57 public static class Builder {
58 private Optional<String> id = Optional.empty();
59 private final String type;
60 private Vertex source;
61 private Vertex target;
62 private final Map<String, Object> properties = new HashMap<String, Object>();
64 public Builder(String type) {
66 throw new IllegalArgumentException("Type cannot be null");
72 public Builder id(String id) {
74 throw new IllegalArgumentException("id cannot be null");
77 this.id = Optional.of(id);
81 public Builder property(String key, Object value) {
82 if (key == null || value == null) {
83 throw new IllegalArgumentException("Property key/value cannot be null");
85 properties.put(key, value);
89 public Builder source(Vertex source) {
94 public Builder target(Vertex target) {
100 return new Edge(this);
106 public String toString() {
107 return "Edge [id=" + id + ", type=" + type + ", properties=" + properties
108 + ", source=" + source + ", target=" + target + "]";
111 public String toJson() {
112 return gson.toJson(this);
115 public String toJson(Gson customGson) {
116 return customGson.toJson(this);
119 public static Edge fromJson(String jsonString) {
120 return gson.fromJson(jsonString, Edge.class);
123 public Optional<String> getId() {
127 public String getType() {
131 public Map<String, Object> getProperties() {
135 public Vertex getSource() {
139 public Vertex getTarget() {