///<inheritdoc />
public virtual IProcessInstance Execute(ICommandContext commandContext)
{
if (messageName is null)
{
throw new ActivitiIllegalArgumentException("Cannot start process instance by message: message name is null");
}
IMessageEventSubscriptionEntity messageEventSubscription = commandContext.EventSubscriptionEntityManager.FindMessageStartEventSubscriptionByName(messageName, tenantId);
if (messageEventSubscription == null)
{
throw new ActivitiObjectNotFoundException("Cannot start process instance by message: no subscription to message with name '" + messageName + "' found.", typeof(IMessageEventSubscriptionEntity));
}
string processDefinitionId = messageEventSubscription.Configuration;
if (string.IsNullOrWhiteSpace(processDefinitionId))
{
throw new ActivitiException("Cannot start process instance by message: subscription to message with name '" + messageName + "' is not a message start event.");
}
DeploymentManager deploymentCache = commandContext.ProcessEngineConfiguration.DeploymentManager;
IProcessDefinition processDefinition = deploymentCache.FindDeployedProcessDefinitionById(processDefinitionId);
if (processDefinition == null)
{
throw new ActivitiObjectNotFoundException("No process definition found for id '" + processDefinitionId + "'", typeof(IProcessDefinition));
}
ProcessInstanceHelper processInstanceHelper = commandContext.ProcessEngineConfiguration.ProcessInstanceHelper;
IProcessInstance processInstance = processInstanceHelper.CreateAndStartProcessInstanceByMessage(processDefinition, messageName, processVariables, transientVariables);
return(processInstance);
}
