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.runtime.supervision;
23 import java.io.Closeable;
24 import java.io.IOException;
25 import java.util.concurrent.LinkedBlockingQueue;
26 import java.util.concurrent.ThreadPoolExecutor;
27 import java.util.concurrent.TimeUnit;
28 import lombok.RequiredArgsConstructor;
29 import org.apache.commons.lang3.tuple.ImmutablePair;
30 import org.aspectj.lang.annotation.After;
31 import org.aspectj.lang.annotation.AfterReturning;
32 import org.aspectj.lang.annotation.Aspect;
33 import org.aspectj.lang.annotation.Before;
34 import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantRegister;
35 import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantStatus;
36 import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantUpdateAck;
37 import org.slf4j.Logger;
38 import org.slf4j.LoggerFactory;
39 import org.springframework.scheduling.annotation.Scheduled;
40 import org.springframework.stereotype.Component;
44 @RequiredArgsConstructor
45 public class SupervisionAspect implements Closeable {
47 private static final Logger LOGGER = LoggerFactory.getLogger(SupervisionAspect.class);
49 private final SupervisionScanner supervisionScanner;
51 private ThreadPoolExecutor executor =
52 new ThreadPoolExecutor(1, 1, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<>());
55 fixedRateString = "${runtime.participantParameters.heartBeatMs}",
56 initialDelayString = "${runtime.participantParameters.heartBeatMs}")
57 public void schedule() {
58 LOGGER.info("Add scheduled scanning");
59 executor.execute(() -> supervisionScanner.run(true));
63 * Intercept Messages from participant and run Supervision Scan.
65 @After("@annotation(MessageIntercept)")
66 public void doCheck() {
67 if (executor.getQueue().size() < 2) {
68 LOGGER.debug("Add scanning Message");
69 executor.execute(() -> supervisionScanner.run(false));
73 @Before("@annotation(MessageIntercept) && args(participantStatusMessage,..)")
74 public void handleParticipantStatus(ParticipantStatus participantStatusMessage) {
75 executor.execute(() -> supervisionScanner.handleParticipantStatus(participantStatusMessage.getParticipantId()));
79 * Intercepts participant Register Message
80 * if there is a Commissioning starts an execution of handleParticipantRegister.
82 * @param participantRegisterMessage the ParticipantRegister message
83 * @param isCommissioning is Commissioning
86 value = "@annotation(MessageIntercept) && args(participantRegisterMessage,..)",
87 returning = "isCommissioning")
88 public void handleParticipantRegister(ParticipantRegister participantRegisterMessage, boolean isCommissioning) {
89 if (isCommissioning) {
90 executor.execute(() -> supervisionScanner.handleParticipantRegister(new ImmutablePair<>(
91 participantRegisterMessage.getParticipantId(), participantRegisterMessage.getParticipantType())));
95 @Before("@annotation(MessageIntercept) && args(participantUpdateAckMessage,..)")
96 public void handleParticipantUpdateAck(ParticipantUpdateAck participantUpdateAckMessage) {
97 executor.execute(() -> supervisionScanner.handleParticipantUpdateAck(new ImmutablePair<>(
98 participantUpdateAckMessage.getParticipantId(), participantUpdateAckMessage.getParticipantType())));
102 public void close() throws IOException {