[REEF-1140] MonotonicTreeMap used in Class Hierachy should be thread safe for reading.

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: Tang.NET
• Assignee: Julia Wang
• Reporter: Julia Wang
• Created: 20/Jan/16 18:39
• Updated: 20/Jan/16 18:39

Description

ClassHierarchy wraps MonotonicTreeMap as an internal data structure. Currently it has a lock for adding a node. However, if a threading is adding a node while another thread is iterating the children, that could cause issue. We should make read thread safe as well.