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.aspectj.lang.annotation.After;
30 import org.aspectj.lang.annotation.Aspect;
31 import org.aspectj.lang.annotation.Before;
32 import org.onap.policy.clamp.controlloop.models.messages.dmaap.participant.ParticipantStatus;
33 import org.slf4j.Logger;
34 import org.slf4j.LoggerFactory;
35 import org.springframework.scheduling.annotation.Scheduled;
36 import org.springframework.stereotype.Component;
40 @RequiredArgsConstructor
41 public class SupervisionAspect implements Closeable {
43 private static final Logger LOGGER = LoggerFactory.getLogger(SupervisionAspect.class);
45 private final SupervisionScanner supervisionScanner;
47 private ThreadPoolExecutor executor =
48 new ThreadPoolExecutor(1, 1, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<>());
51 fixedRateString = "${runtime.participantParameters.heartBeatMs}",
52 initialDelayString = "${runtime.participantParameters.heartBeatMs}")
53 public void schedule() {
54 LOGGER.info("Add scheduled scanning");
55 executor.execute(() -> supervisionScanner.run(true));
59 * Intercept Messages from participant and run Supervision Scan.
61 @After("@annotation(MessageIntercept)")
62 public void doCheck() {
63 if (executor.getQueue().size() < 2) {
64 LOGGER.debug("Add scanning Message");
65 executor.execute(() -> supervisionScanner.run(false));
69 @Before("@annotation(MessageIntercept) && args(participantStatusMessage,..)")
70 public void handleParticipantStatus(ParticipantStatus participantStatusMessage) {
71 executor.execute(() -> supervisionScanner.handleParticipantStatus(participantStatusMessage.getParticipantId()));
75 public void close() throws IOException {