Added ReadWriteLockRegistry utility class

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 5.1 EE SP4 (5.1.7), 5.2 EE SP1 (5.2.5)
• Fix Version/s: 5.1 EE SP5 (5.1.8), 5.2 EE SP2 (5.2.6)
• Component/s: Legacy Components > API
• Labels:
  • 5.2_release_notes
• Environment: All

This improvement adds a ReadWriteLockRegistry utility class. This class is a registry for ReadWriteLock objects with readWriteLockKey as keys. This class can be used to ensure that only one ReadWriteLock exists per key.