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.Aspect;
32 import org.aspectj.lang.annotation.Before;
33 import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantRegister;
34 import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantStatus;
35 import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantUpdateAck;
36 import org.slf4j.Logger;
37 import org.slf4j.LoggerFactory;
38 import org.springframework.scheduling.annotation.Scheduled;
39 import org.springframework.stereotype.Component;
43 @RequiredArgsConstructor
44 public class SupervisionAspect implements Closeable {
46 private static final Logger LOGGER = LoggerFactory.getLogger(SupervisionAspect.class);
48 private final SupervisionScanner supervisionScanner;
50 private ThreadPoolExecutor executor =
51 new ThreadPoolExecutor(1, 1, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<>());
54 fixedRateString = "${runtime.participantParameters.heartBeatMs}",
55 initialDelayString = "${runtime.participantParameters.heartBeatMs}")
56 public void schedule() {
57 LOGGER.info("Add scheduled scanning");
58 executor.execute(() -> supervisionScanner.run(true));
62 * Intercept Messages from participant and run Supervision Scan.
64 @After("@annotation(MessageIntercept)")
65 public void doCheck() {
66 if (executor.getQueue().size() < 2) {
67 LOGGER.debug("Add scanning Message");
68 executor.execute(() -> supervisionScanner.run(false));
72 @Before("@annotation(MessageIntercept) && args(participantStatusMessage,..)")
73 public void handleParticipantStatus(ParticipantStatus participantStatusMessage) {
74 executor.execute(() -> supervisionScanner.handleParticipantStatus(participantStatusMessage.getParticipantId()));
77 @Before("@annotation(MessageIntercept) && args(participantRegisterMessage,..)")
78 public void handleParticipantRegister(ParticipantRegister participantRegisterMessage) {
79 executor.execute(() -> supervisionScanner.handleParticipantRegister(new ImmutablePair<>(
80 participantRegisterMessage.getParticipantId(), participantRegisterMessage.getParticipantType())));
83 @Before("@annotation(MessageIntercept) && args(participantUpdateAckMessage,..)")
84 public void handleParticipantUpdateAck(ParticipantUpdateAck participantUpdateAckMessage) {
85 executor.execute(() -> supervisionScanner.handleParticipantUpdateAck(new ImmutablePair<>(
86 participantUpdateAckMessage.getParticipantId(), participantUpdateAckMessage.getParticipantType())));
90 public void close() throws IOException {