public static void Create(Database database, string name)
{
if (database == null)
throw new ArgumentNullException("database", "database is null.");
if (name == null)
throw new ArgumentNullException("name", "name is null.");
if (Exists(database, name))
throw new ArgumentException(string.Format("Workflow with the name \"{0}\" already exists.", name), "name");
var workflow = new Workflow(name);
database.WorkflowsLock.EnterWriteLock();
try
{
workflow.WorkflowLock.EnterWriteLock();
try
{
database.WorkflowNames.Add(workflow.Name, workflow.Id);
database.Workflows.Add(workflow.Id, workflow);
}
finally
{
workflow.WorkflowLock.ExitWriteLock();
}
}
finally
{
database.WorkflowsLock.ExitWriteLock();
}
}