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
14 * Unless required by applicable law or agreed to in writing, software
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
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
21 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
23 package org.onap.aai.sparky.aggregatevnf.search;
27 import javax.json.Json;
28 import javax.json.JsonArray;
29 import javax.json.JsonArrayBuilder;
30 import javax.json.JsonObject;
31 import javax.json.JsonObjectBuilder;
35 * Build a JSON payload to send to elastic search to get vnf search data.
38 public class VnfSearchQueryBuilder {
42 * Creates the suggestions query.
44 * @param maxResults maximum number of suggestions to fetch
45 * @param queryStr query string
46 * @return the json object
50 * { "vnfs" : { "text" : "VNFs", "completion" : { "field" : "entity_suggest", "size": 1 } } }
52 public static JsonObject createSuggestionsQuery(String maxResults, String queryStr) {
53 JsonObjectBuilder jsonBuilder = Json.createObjectBuilder();
55 JsonObjectBuilder completionBlob = Json.createObjectBuilder();
56 completionBlob.add("field", "entity_suggest");
57 completionBlob.add("size", maxResults);
59 JsonObjectBuilder jsonAllBuilder = Json.createObjectBuilder();
60 jsonAllBuilder.add("text", queryStr);
61 jsonAllBuilder.add("completion", completionBlob);
63 jsonBuilder.add("vnfs", jsonAllBuilder.build());
64 return jsonBuilder.build();
67 public static JsonObject getTermBlob(String key, String value) {
68 JsonObjectBuilder termBlobBuilder = Json.createObjectBuilder();
69 JsonObjectBuilder jsonBuilder = Json.createObjectBuilder().add(key, value);
70 return termBlobBuilder.add("term", jsonBuilder.build()).build();
73 public static void getSummaryAggsBlob(JsonObjectBuilder aggsBlobBuilder, String aggsKey,
75 JsonObjectBuilder fieldBuilder =
76 Json.createObjectBuilder().add("field", aggsKey).add("size", resultSize);
77 JsonObject aggsFieldBlob = fieldBuilder.build();
78 JsonObjectBuilder defaultBlobBuilder = Json.createObjectBuilder().add("terms", aggsFieldBlob);
79 JsonObject defaultBlob = defaultBlobBuilder.build();
80 aggsBlobBuilder.add("default", defaultBlob);
83 public static void buildSingleTermCountQuery(JsonObjectBuilder jsonBuilder, String key,
85 jsonBuilder.add("query", getTermBlob(key, value));
88 public static void buildSingleTermSummaryQuery(JsonObjectBuilder jsonBuilder, String key,
89 String value, String groupByKey) {
90 JsonObjectBuilder queryBlobBuilder = Json.createObjectBuilder();
91 JsonObjectBuilder aggsBlobBuilder = Json.createObjectBuilder();
93 queryBlobBuilder.add("constant_score",
94 Json.createObjectBuilder().add("filter", getTermBlob(key, value)));
96 getSummaryAggsBlob(aggsBlobBuilder, groupByKey, 0);
98 jsonBuilder.add("query", queryBlobBuilder.build());
99 jsonBuilder.add("aggs", aggsBlobBuilder.build());
102 public static void buildMultiTermSummaryQuery(JsonObjectBuilder jsonBuilder,
103 Map<String, String> attributes, String groupByKey) {
104 JsonObjectBuilder queryBlobBuilder = Json.createObjectBuilder();
105 JsonObjectBuilder aggsBlobBuilder = Json.createObjectBuilder();
106 JsonArrayBuilder mustBlobBuilder = Json.createArrayBuilder();
107 for (String key : attributes.keySet()) {
108 mustBlobBuilder.add(getTermBlob(key, attributes.get(key)));
110 JsonArray mustBlob = mustBlobBuilder.build();
112 queryBlobBuilder.add("constant_score", Json.createObjectBuilder().add("filter",
113 Json.createObjectBuilder().add("bool", Json.createObjectBuilder().add("must", mustBlob))));
115 getSummaryAggsBlob(aggsBlobBuilder, groupByKey, 0);
117 jsonBuilder.add("query", queryBlobBuilder.build());
118 jsonBuilder.add("aggs", aggsBlobBuilder.build());
121 public static void buildZeroTermSummaryQuery(JsonObjectBuilder jsonBuilder, String groupByKey) {
122 JsonObjectBuilder aggsBlobBuilder = Json.createObjectBuilder();
124 getSummaryAggsBlob(aggsBlobBuilder, groupByKey, 0);
126 jsonBuilder.add("aggs", aggsBlobBuilder.build());
129 public static void buildMultiTermCountQuery(JsonObjectBuilder jsonBuilder,
130 Map<String, String> attributes) {
131 JsonArrayBuilder mustBlobBuilder = Json.createArrayBuilder();
132 for (String key : attributes.keySet()) {
133 mustBlobBuilder.add(getTermBlob(key, attributes.get(key)));
135 jsonBuilder.add("query", Json.createObjectBuilder().add("bool",
136 Json.createObjectBuilder().add("must", mustBlobBuilder)));
141 public static JsonObject createSummaryByEntityTypeQuery(Map<String, String> attributes,
143 JsonObjectBuilder jsonBuilder = Json.createObjectBuilder();
144 jsonBuilder.add("size", "0"); // avoid source data
145 if (attributes.size() == 0) {
146 buildZeroTermSummaryQuery(jsonBuilder, groupByKey);
147 } else if (attributes.size() == 1) {
148 Map.Entry<String, String> entry = attributes.entrySet().iterator().next();
149 buildSingleTermSummaryQuery(jsonBuilder, entry.getKey(), entry.getValue(), groupByKey);
151 buildMultiTermSummaryQuery(jsonBuilder, attributes, groupByKey);
153 return jsonBuilder.build();
156 public static JsonObject createEntityCountsQuery(Map<String, String> attributes) {
157 JsonObjectBuilder jsonBuilder = Json.createObjectBuilder();
158 if (attributes.size() == 1) {
159 Map.Entry<String, String> entry = attributes.entrySet().iterator().next();
160 buildSingleTermCountQuery(jsonBuilder, entry.getKey(), entry.getValue());
162 buildMultiTermCountQuery(jsonBuilder, attributes);
164 return jsonBuilder.build();
167 public static JsonArray getSortCriteria(String sortFieldName, String sortOrder) {
168 JsonArrayBuilder jsonBuilder = Json.createArrayBuilder();
169 jsonBuilder.add(Json.createObjectBuilder().add(sortFieldName,
170 Json.createObjectBuilder().add("order", sortOrder)));
172 return jsonBuilder.build();