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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2021-2023 Nordix Foundation.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.policy.clamp.acm.runtime.supervision;
import java.io.Closeable;
import java.io.IOException;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import lombok.RequiredArgsConstructor;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.onap.policy.clamp.models.acm.messages.dmaap.participant.ParticipantStatus;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Component;
@Aspect
@Component
@RequiredArgsConstructor
public class SupervisionAspect implements Closeable {
private static final Logger LOGGER = LoggerFactory.getLogger(SupervisionAspect.class);
private final SupervisionScanner supervisionScanner;
private final SupervisionPartecipantScanner partecipantScanner;
private ThreadPoolExecutor executor =
new ThreadPoolExecutor(1, 1, 0L, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<>());
@Scheduled(
fixedRateString = "${runtime.participantParameters.heartBeatMs}",
initialDelayString = "${runtime.participantParameters.heartBeatMs}")
public void schedule() {
LOGGER.info("Add scheduled scanning");
executor.execute(this::executeScan);
}
private void executeScan() {
supervisionScanner.run();
partecipantScanner.run();
}
/**
* Intercept Messages from participant and run Supervision Scan.
*/
@After("@annotation(MessageIntercept)")
public void doCheck() {
if (executor.getQueue().size() < 2) {
LOGGER.debug("Add scanning Message");
executor.execute(supervisionScanner::run);
}
}
@Before("@annotation(MessageIntercept) && args(participantStatusMsg,..)")
public void handleParticipantStatus(ParticipantStatus participantStatusMsg) {
executor.execute(() -> partecipantScanner.handleParticipantStatus(participantStatusMsg.getParticipantId()));
}
@Override
public void close() throws IOException {
executor.shutdown();
}
}
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