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/*******************************************************************************
* ============LICENSE_START=======================================================
* slice-analysis-ms
* ================================================================================
* Copyright (C) 2020 Wipro Limited.
* ==============================================================================
* 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.
* ============LICENSE_END=========================================================
*
*******************************************************************************/
package org.onap.slice.analysis.ms.dmaap;
import java.io.IOException;
import org.onap.slice.analysis.ms.models.MLOutputModel;
import org.onap.slice.analysis.ms.service.MLMessageProcessor;
import org.onap.slice.analysis.ms.utils.BeanUtil;
import org.slf4j.Logger;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
/**
* Handles Notification on dmaap for ML ms events
*/
public class IntelligentSlicingCallback implements NotificationCallback {
private static final Logger log = org.slf4j.LoggerFactory.getLogger(IntelligentSlicingCallback.class);
private MLMessageProcessor mlMsMessageProcessor;
public IntelligentSlicingCallback() {
mlMsMessageProcessor = BeanUtil.getBean(MLMessageProcessor.class);
}
/**
* Trigger on Notification from ML ms
*/
@Override
public void activateCallBack(String msg) {
handlePolicyNotification(msg);
}
/**
* Parse and take actions on reception of Notification from ML ms
* @param msg
*/
private void handlePolicyNotification(String msg) {
log.info("Message received from ML ms: {}" ,msg);
ObjectMapper obj = new ObjectMapper();
MLOutputModel output = null;
try {
output = obj.readValue(msg, new TypeReference<MLOutputModel>(){});
mlMsMessageProcessor.processMLMsg(output);
}
catch (IOException e) {
log.error("Error converting ML msg to object, {}",e.getMessage());
}
}
}
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