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.util.UUID;
24 import lombok.AccessLevel;
26 import lombok.NonNull;
28 import lombok.ToString;
29 import org.onap.policy.models.tosca.authorative.concepts.ToscaConceptIdentifier;
32 * Class to represent the base class for various messages that will be exchanged between
33 * the control loop runtime and participants.
38 public class ParticipantMessage {
39 @Setter(AccessLevel.NONE)
40 private ParticipantMessageType messageType;
42 private UUID requestId = UUID.randomUUID();
45 * Time-stamp, in milliseconds, when the message was created. Defaults to the current
48 private long timestampMs = System.currentTimeMillis();
51 * Participant ID, or {@code null} for state-change broadcast messages.
53 private ToscaConceptIdentifier participantId;
56 * Control loop ID. For state-change messages, this may be {@code null}.
58 private ToscaConceptIdentifier controlLoopId;
61 * Constructor for instantiating a participant message class.
63 * @param messageType the message type
65 public ParticipantMessage(final ParticipantMessageType messageType) {
66 this.messageType = messageType;
70 * Constructs the object, making a deep copy. Does <i>not</i> copy the request id or
73 * @param source source from which to copy
75 public ParticipantMessage(final ParticipantMessage source) {
76 this.messageType = source.messageType;
77 this.participantId = source.participantId;
78 this.controlLoopId = source.controlLoopId;
82 * Determines if this message applies to this participant.
84 * @param participantId id of the participant to match against
85 * @return {@code true} if this message applies to this participant, {@code false} otherwise
87 public boolean appliesTo(@NonNull final ToscaConceptIdentifier participantId) {
88 if (participantId.equals(this.participantId)) {
92 // false: message included a participant ID, but it does not match
93 // true: its a broadcast message
94 return this.participantId == null;