public virtual void testRestoreProcessInstance()
{
//given parent execution
IList <ExecutionEntity> entities = new List <ExecutionEntity>();
ExecutionEntity parent = new ExecutionEntity();
parent.Id = "parent";
entities.Add(parent);
//when restore process instance is called
parent.RestoreProcessInstance(entities, null, null, null, null, null, null);
//then no problem should occure
//when child is added and restore is called again
ExecutionEntity entity = new ExecutionEntity();
entity.Id = "child";
entity.SetParentId(parent.Id);
entities.Add(entity);
parent.RestoreProcessInstance(entities, null, null, null, null, null, null);
//then again no problem should occure
//when parent is deleted from the list
entities.Remove(parent);
//删除父后会异常
var exc = Assert.Throws <ProcessEngineException>(() => parent.RestoreProcessInstance(entities, null, null, null, null, null, null));
Assert.IsTrue(exc.Message.Contains("Cannot resolve parent with id 'parent' of execution 'child', perhaps it was deleted in the meantime"));
//then exception is thrown because child reference to parent which does not exist anymore
//thrown.Expect(typeof(ProcessEngineException));
//thrown.ExpectMessage("Cannot resolve parent with id 'parent' of execution 'child', perhaps it was deleted in the meantime");
//parent.RestoreProcessInstance(entities, null, null, null, null, null, null);
}
protected internal virtual IList <ExecutionEntity> LoadFromDb(string processInstanceId, CommandContext commandContext)
{
IList <ExecutionEntity> executions = commandContext.ExecutionManager.FindExecutionsByProcessInstanceId(processInstanceId);
ExecutionEntity processInstance = commandContext.ExecutionManager.FindExecutionById(processInstanceId);
// initialize parent/child sets
if (processInstance != null)
{
processInstance.RestoreProcessInstance(executions, null, null, null, null, null, null);
}
return(executions);
}