public void Traverse(IVisitor visitor)
{
if (visitor == null)
{
throw new ArgumentNullException("visitor");
}
visitor.PerformBefore(this);
m_identifier.Traverse(visitor);
visitor.PerformAfter(this);
if (m_next != null)
{
m_next.Traverse(visitor);
}
}
public void Traverse(IVisitor visitor)
{
if (visitor == null)
{
throw new ArgumentNullException("visitor");
}
visitor.PerformBefore(this);
if (m_join != null)
{
m_join.Traverse(visitor);
}
visitor.PerformOnSource(this);
Debug.Assert(m_source != null);
m_source.Traverse(visitor);
visitor.PerformOnAlias(this);
if (m_alias != null)
{
m_alias.Traverse(visitor);
}
visitor.PerformBeforeCondition(this);
if (m_joinCondition != null)
{
m_joinCondition.Traverse(visitor);
}
visitor.PerformAfterCondition(this);
if (m_next != null)
{
m_next.Traverse(visitor);
}
visitor.PerformAfter(this);
}