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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Modifications Copyright (c) 2019 Samsung
* ================================================================================
* 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.activity;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
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.camunda.bpm.engine.runtime.ProcessInstanceWithVariables;
import org.camunda.bpm.engine.variable.VariableMap;
import org.onap.so.bpmn.core.WorkflowException;
import org.onap.so.bpmn.servicedecomposition.entities.BuildingBlock;
import org.onap.so.bpmn.servicedecomposition.entities.ExecuteBuildingBlock;
import org.onap.so.bpmn.servicedecomposition.entities.WorkflowResourceIds;
import org.onap.so.client.exception.ExceptionBuilder;
import org.onap.so.logger.ErrorCode;
import org.onap.so.logger.MessageEnum;
import org.onap.so.serviceinstancebeans.RequestDetails;
import org.onap.so.serviceinstancebeans.ServiceInstancesRequest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import com.fasterxml.jackson.databind.ObjectMapper;
@Component("ExecuteActivity")
public class ExecuteActivity implements JavaDelegate {
private static final Logger logger = LoggerFactory.getLogger(ExecuteActivity.class);
private static final String G_BPMN_REQUEST = "bpmnRequest";
private static final String VNF_TYPE = "vnfType";
private static final String G_ACTION = "requestAction";
private static final String G_REQUEST_ID = "mso-request-id";
private static final String VNF_ID = "vnfId";
private static final String SERVICE_INSTANCE_ID = "serviceInstanceId";
private static final String SERVICE_TASK_IMPLEMENTATION_ATTRIBUTE = "implementation";
private static final String ACTIVITY_PREFIX = "activity:";
private ObjectMapper mapper = new ObjectMapper();
@Autowired
private RuntimeService runtimeService;
@Autowired
private ExceptionBuilder exceptionBuilder;
@Override
public void execute(DelegateExecution execution) throws Exception {
final String requestId = (String) execution.getVariable(G_REQUEST_ID);
try {
final String implementationString =
execution.getBpmnModelElementInstance().getAttributeValue(SERVICE_TASK_IMPLEMENTATION_ATTRIBUTE);
logger.debug("activity implementation String: {}", implementationString);
if (!implementationString.startsWith(ACTIVITY_PREFIX)) {
buildAndThrowException(execution, "Implementation attribute has a wrong format");
}
String activityName = implementationString.replaceFirst(ACTIVITY_PREFIX, "");
logger.info("activityName is: {}", activityName);
BuildingBlock buildingBlock = buildBuildingBlock(activityName);
ExecuteBuildingBlock executeBuildingBlock = buildExecuteBuildingBlock(execution, requestId, buildingBlock);
Map<String, Object> variables = new HashMap<>();
variables.put("buildingBlock", executeBuildingBlock);
variables.put(G_REQUEST_ID, requestId);
variables.put("retryCount", 1);
variables.put("aLaCarte", true);
ProcessInstanceWithVariables buildingBlockResult =
runtimeService.createProcessInstanceByKey("ExecuteBuildingBlock").setVariables(variables)
.executeWithVariablesInReturn();
VariableMap variableMap = buildingBlockResult.getVariables();
WorkflowException workflowException = (WorkflowException) variableMap.get("WorklfowException");
if (workflowException != null) {
logger.error("Workflow exception is: {}", workflowException.getErrorMessage());
}
execution.setVariable("WorkflowException", workflowException);
} catch (Exception e) {
buildAndThrowException(execution, e.getMessage());
}
}
protected BuildingBlock buildBuildingBlock(String activityName) {
BuildingBlock buildingBlock = new BuildingBlock();
buildingBlock.setBpmnFlowName(activityName);
buildingBlock.setMsoId(UUID.randomUUID().toString());
buildingBlock.setKey("");
buildingBlock.setIsVirtualLink(false);
buildingBlock.setVirtualLinkKey("");
return buildingBlock;
}
protected ExecuteBuildingBlock buildExecuteBuildingBlock(DelegateExecution execution, String requestId,
BuildingBlock buildingBlock) throws Exception {
ExecuteBuildingBlock executeBuildingBlock = new ExecuteBuildingBlock();
String bpmnRequest = (String) execution.getVariable(G_BPMN_REQUEST);
ServiceInstancesRequest sIRequest = mapper.readValue(bpmnRequest, ServiceInstancesRequest.class);
RequestDetails requestDetails = sIRequest.getRequestDetails();
executeBuildingBlock.setaLaCarte(true);
executeBuildingBlock.setRequestAction((String) execution.getVariable(G_ACTION));
executeBuildingBlock.setResourceId((String) execution.getVariable(VNF_ID));
executeBuildingBlock.setVnfType((String) execution.getVariable(VNF_TYPE));
WorkflowResourceIds workflowResourceIds = new WorkflowResourceIds();
workflowResourceIds.setServiceInstanceId((String) execution.getVariable(SERVICE_INSTANCE_ID));
workflowResourceIds.setVnfId((String) execution.getVariable(VNF_ID));
executeBuildingBlock.setWorkflowResourceIds(workflowResourceIds);
executeBuildingBlock.setRequestId(requestId);
executeBuildingBlock.setBuildingBlock(buildingBlock);
executeBuildingBlock.setRequestDetails(requestDetails);
return executeBuildingBlock;
}
protected void buildAndThrowException(DelegateExecution execution, String msg, Exception ex) {
logger.error(Strings.repeat("{} ", 5), MessageEnum.BPMN_GENERAL_EXCEPTION_ARG.toString(), msg, "BPMN",
ErrorCode.UnknownError.getValue(), msg, ex);
execution.setVariable("ExecuteActivityErrorMessage", msg);
exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, msg);
}
protected void buildAndThrowException(DelegateExecution execution, String msg) {
logger.error(msg);
execution.setVariable("ExecuteActuvityErrorMessage", msg);
exceptionBuilder.buildAndThrowWorkflowException(execution, 7000, msg);
}
}
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