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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2020 Nokia.
* ================================================================================
* 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.so.bpmn.infrastructure.pnf.delegate;
import static org.onap.so.bpmn.infrastructure.pnf.delegate.ExecutionVariableNames.TIMEOUT_FOR_NOTIFICATION;
import com.google.common.base.Strings;
import org.camunda.bpm.engine.RuntimeService;
import org.camunda.bpm.engine.delegate.DelegateExecution;
import org.camunda.bpm.engine.delegate.JavaDelegate;
import org.onap.so.bpmn.common.BuildingBlockExecution;
import org.onap.so.bpmn.infrastructure.pnf.kafka.KafkaClient;
import org.onap.so.bpmn.servicedecomposition.bbobjects.Pnf;
import org.onap.so.bpmn.servicedecomposition.entities.ResourceKey;
import org.onap.so.bpmn.servicedecomposition.tasks.ExtractPojosForBB;
import org.onap.so.client.exception.BBObjectNotFoundException;
import org.onap.so.client.exception.ExceptionBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
/**
* This class is designed to be used within WaitForPnfReadyBB
*/
@Component
public class RegisterForPnfReadyEvent implements JavaDelegate {
private static final String ERROR_MESSAGE_PNF_NOT_FOUND =
"pnf resource not found in buildingBlockExecution while registering to kafka listener";
private static final Logger LOGGER = LoggerFactory.getLogger(RegisterForPnfReadyEvent.class);
private KafkaClient kafkaClient;
private ExtractPojosForBB extractPojosForBB;
private ExceptionBuilder exceptionBuilder;
private String pnfEntryNotificationTimeout;
@Autowired
public RegisterForPnfReadyEvent(KafkaClient kafkaClient, ExtractPojosForBB extractPojosForBB,
ExceptionBuilder exceptionBuilder,
@Value("${aai.pnfEntryNotificationTimeout}") String pnfEntryNotificationTimeout) {
this.kafkaClient = kafkaClient;
this.extractPojosForBB = extractPojosForBB;
this.exceptionBuilder = exceptionBuilder;
this.pnfEntryNotificationTimeout = pnfEntryNotificationTimeout;
}
@Override
public void execute(DelegateExecution execution) {
try {
String pnfName = getPnfName(execution);
fillExecution(execution, pnfName);
RuntimeService runtimeService = execution.getProcessEngineServices().getRuntimeService();
kafkaClient.registerForUpdate(pnfName, () -> runtimeService.createMessageCorrelation("WorkflowMessage")
.processInstanceId(execution.getProcessInstanceId()).correlateWithResult());
} catch (BBObjectNotFoundException e) {
LOGGER.error(ERROR_MESSAGE_PNF_NOT_FOUND);
exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, ERROR_MESSAGE_PNF_NOT_FOUND);
}
}
private void fillExecution(DelegateExecution execution, String pnfName) {
execution.setVariable(ExecutionVariableNames.PNF_CORRELATION_ID, pnfName);
if (Strings.isNullOrEmpty(pnfEntryNotificationTimeout)) {
exceptionBuilder.buildAndThrowWorkflowException(execution, 7000,
"pnfEntryNotificationTimeout value not defined");
}
execution.setVariable(TIMEOUT_FOR_NOTIFICATION, pnfEntryNotificationTimeout);
}
private String getPnfName(DelegateExecution execution) throws BBObjectNotFoundException {
BuildingBlockExecution buildingBlockExecution =
(BuildingBlockExecution) execution.getVariable("gBuildingBlockExecution");
Pnf pnf = extractPojosForBB.extractByKey(buildingBlockExecution, ResourceKey.PNF);
String pnfName = pnf.getPnfName();
if (Strings.isNullOrEmpty(pnfName)) {
exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, "pnf name is not set");
}
return pnfName;
}
}
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