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.actorserviceprovider.controlloop;
23 import java.io.Serializable;
25 import java.util.UUID;
26 import java.util.concurrent.ConcurrentHashMap;
27 import lombok.AccessLevel;
29 import lombok.NonNull;
31 import org.onap.policy.controlloop.VirtualControlLoopEvent;
34 * Context associated with a control loop event.
38 public class ControlLoopEventContext implements Serializable {
39 private static final long serialVersionUID = 1L;
42 private final VirtualControlLoopEvent event;
45 * Enrichment data extracted from the event. Never {@code null}, though it may be
48 private final Map<String, String> enrichment;
50 @Getter(AccessLevel.NONE)
51 @Setter(AccessLevel.NONE)
52 private Map<String, Serializable> properties = new ConcurrentHashMap<>();
55 * Request ID extracted from the event, or a generated value if the event has no
56 * request id; never {@code null}.
58 private final UUID requestId;
62 * Constructs the object.
64 * @param event event with which this is associated
66 public ControlLoopEventContext(@NonNull VirtualControlLoopEvent event) {
68 this.requestId = (event.getRequestId() != null ? event.getRequestId() : UUID.randomUUID());
69 this.enrichment = (event.getAai() != null ? event.getAai() : Map.of());
73 * Determines if the context contains a property.
75 * @param name name of the property of interest
76 * @return {@code true} if the context contains the property, {@code false} otherwise
78 public boolean contains(String name) {
79 return properties.containsKey(name);
83 * Gets a property, casting it to the desired type.
85 * @param <T> desired type
86 * @param name name of the property whose value is to be retrieved
87 * @return the property's value, or {@code null} if it does not yet have a value
89 @SuppressWarnings("unchecked")
90 public <T> T getProperty(String name) {
91 return (T) properties.get(name);
95 * Sets a property's value.
97 * @param name property name
98 * @param value new property value
100 public void setProperty(String name, Serializable value) {
101 properties.put(name, value);