2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2020 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.policy.controlloop.actor.aai;
24 import java.util.Map.Entry;
25 import java.util.concurrent.CompletableFuture;
26 import javax.ws.rs.client.Invocation.Builder;
27 import javax.ws.rs.client.WebTarget;
28 import javax.ws.rs.core.Response;
29 import org.onap.policy.common.utils.coder.StandardCoderObject;
30 import org.onap.policy.controlloop.actorserviceprovider.OperationOutcome;
31 import org.onap.policy.controlloop.actorserviceprovider.impl.HttpOperation;
32 import org.onap.policy.controlloop.actorserviceprovider.parameters.ControlLoopOperationParams;
33 import org.onap.policy.controlloop.actorserviceprovider.parameters.HttpConfig;
34 import org.slf4j.Logger;
35 import org.slf4j.LoggerFactory;
38 * Superclass of A&AI operators that use "get" to perform their request and store their
39 * response within the context as a {@link StandardCoderObject}. The property name under
40 * which they are stored is ${actor}.${operation}.${targetEntity}.
42 public class AaiGetOperation extends HttpOperation<StandardCoderObject> {
43 private static final Logger logger = LoggerFactory.getLogger(AaiGetOperation.class);
45 public static final int DEFAULT_RETRY = 3;
49 * Responses that are retrieved from A&AI are placed in the operation context under
50 * the name "${propertyPrefix}.${targetEntity}".
52 private final String propertyPrefix;
55 * Constructs the object.
57 * @param params operation parameters
58 * @param config configuration for this operation
60 public AaiGetOperation(ControlLoopOperationParams params, HttpConfig config) {
61 super(params, config, StandardCoderObject.class);
62 this.propertyPrefix = getFullName() + ".";
66 public void generateSubRequestId(int attempt) {
67 setSubRequestId(String.valueOf(attempt));
71 * Adds a query parameter to a web target.
73 * @param web target to which the parameter should be added
74 * @param str the separator and parameter are appended here, for logging purposes
75 * @param separator separator to be added to "str"; that's its only use
76 * @param name parameter name
77 * @param value parameter value
80 protected WebTarget addQuery(WebTarget web, StringBuilder str, String separator, String name, String value) {
81 str.append(separator);
86 return web.queryParam(name, value);
90 * Adds headers to the web builder.
92 * @param webldr builder to which the headers should be added
93 * @param headers headers to be added
95 protected void addHeaders(Builder webldr, Map<String, Object> headers) {
96 for (Entry<String, Object> header : headers.entrySet()) {
97 webldr.header(header.getKey(), header.getValue());
102 protected Map<String, Object> makeHeaders() {
103 return AaiUtil.makeHeaders(params);
107 * Injects the response into the context.
110 protected CompletableFuture<OperationOutcome> postProcessResponse(OperationOutcome outcome, String url,
111 Response rawResponse, StandardCoderObject response) {
112 String entity = params.getTargetEntity();
114 logger.info("{}: caching response of {} for {}", getFullName(), entity, params.getRequestId());
116 params.getContext().setProperty(propertyPrefix + entity, response);
118 return super.postProcessResponse(outcome, url, rawResponse, response);
122 * Provides a default retry value, if none specified.
125 protected int getRetry(Integer retry) {
126 return (retry == null ? DEFAULT_RETRY : retry);