2 * ============LICENSE_START====================================
3 * DCAEGEN2-SERVICES-SDK
4 * =========================================================
5 * Copyright (C) 2019 Nokia. 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.dcaegen2.services.sdk.rest.services.cbs.client.api.streams;
23 import com.google.gson.JsonElement;
24 import com.google.gson.JsonObject;
25 import io.vavr.collection.Stream;
26 import org.onap.dcaegen2.services.sdk.rest.services.annotations.ExperimentalApi;
27 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.impl.streams.gson.DataStreamUtils;
28 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.streams.DataStreamDirection;
29 import org.onap.dcaegen2.services.sdk.rest.services.cbs.client.model.streams.RawDataStream;
32 * @author <a href="mailto:piotr.jaszczyk@nokia.com">Piotr Jaszczyk</a>
36 public final class DataStreams {
38 private DataStreams() {
41 public static Stream<RawDataStream<JsonObject>> namedSources(JsonObject rootJson) {
42 return createCollectionOfStreams(rootJson, DataStreamDirection.SOURCE);
45 public static Stream<RawDataStream<JsonObject>> namedSinks(JsonObject rootJson) {
46 return createCollectionOfStreams(rootJson, DataStreamDirection.SINK);
49 private static Stream<RawDataStream<JsonObject>> createCollectionOfStreams(JsonObject rootJson, DataStreamDirection direction) {
50 final JsonElement streamsJson = rootJson.get(direction.configurationKey());
51 return streamsJson == null
53 : DataStreamUtils.mapJsonToStreams(streamsJson, direction);