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============================================
20 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
22 package org.onap.aai.champcore;
24 import com.att.eelf.configuration.EELFLogger;
25 import com.att.eelf.configuration.EELFManager;
26 import com.google.gson.JsonArray;
27 import com.google.gson.JsonElement;
28 import com.google.gson.JsonObject;
29 import com.google.gson.JsonParser;
30 import java.util.List;
31 import java.util.Optional;
32 import java.util.stream.Stream;
34 public class Formatter {
36 private static final EELFLogger LOGGER = EELFManager.getInstance().getLogger(Formatter.class);
37 protected JsonParser parser = new JsonParser();
38 protected final FormatMapper format;
40 public Formatter(FormatMapper format) {
44 public JsonObject output(List<Object> vertices) {
45 Stream<Object> stream = null;
46 JsonObject result = new JsonObject();
47 JsonArray body = new JsonArray();
48 if (vertices.size() >= this.format.parallelThreshold()) {
49 stream = vertices.parallelStream();
51 stream = vertices.stream();
54 boolean isParallel = stream.isParallel();
57 return Optional.of(this.format.formatObject(v));
58 } catch (Exception var3) {
59 LOGGER.warn("Failed to format vertex, returning a partial list", var3);
60 return Optional.empty();
63 if (obj.isPresent()) {
66 body.add((JsonElement)obj.get());
69 body.add((JsonElement)obj.get());
74 result.add("results", body);
75 return result.getAsJsonObject();