2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2021 Nordix Foundation.
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.clamp.controlloop.models.messages.dmaap.participant;
23 import java.time.Instant;
24 import java.util.UUID;
25 import lombok.AccessLevel;
27 import lombok.NonNull;
29 import lombok.ToString;
30 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
33 * Class to represent the base class for various messages that will be exchanged between the control loop runtime and
39 public class ParticipantMessage {
40 @Setter(AccessLevel.NONE)
41 private ParticipantMessageType messageType;
43 private UUID messageId = UUID.randomUUID();
46 * Time-stamp, in milliseconds, when the message was created. Defaults to the current time.
48 private Instant timestamp = Instant.now();
51 * Participant Type, or {@code null} for messages from participants.
53 private ToscaConceptIdentifier participantType;
56 * Participant ID, or {@code null} for messages from participants.
58 private ToscaConceptIdentifier participantId;
61 * Control loop ID, or {@code null} for messages to participants.
63 private ToscaConceptIdentifier controlLoopId;
66 * Constructor for instantiating a participant message class.
68 * @param messageType the message type
70 public ParticipantMessage(final ParticipantMessageType messageType) {
71 this.messageType = messageType;
75 * Constructs the object, making a deep copy. Does <i>not</i> copy the request id or the time stamp.
77 * @param source source from which to copy
79 public ParticipantMessage(final ParticipantMessage source) {
80 this.messageType = source.messageType;
81 this.participantType = source.participantType;
82 this.participantId = source.participantId;
83 this.controlLoopId = source.controlLoopId;
87 * Determines if this message applies to this participant type.
89 * @param participantType type of the participant to match against
90 * @param participantId id of the participant to match against
91 * @return {@code true} if this message applies to this participant, {@code false} otherwise
93 public boolean appliesTo(@NonNull final ToscaConceptIdentifier participantType,
94 @NonNull final ToscaConceptIdentifier participantId) {
95 // Broadcast message to all participants
96 if (this.participantType == null) {
100 // Broadcast message to all control loop elements on this participant
101 if (participantType.equals(this.participantType) && this.participantId == null) {
105 // Targeted message at this specific participant
106 if (participantType.equals(this.participantType) && participantId.equals(this.participantId)) {
110 // Message is not for this participant