code: public final void copyDataIfVulnerable()
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.entry(this, tc, "copyDataIfVulnerable");
  
          if (_cachedPersistable == null)
          {
              _cachedPersistable = new CachedPersistable(_masterPersistable);
          }
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled()) SibTr.exit(this, tc, "copyDataIfVulnerable");
      }
docs: /*
  (non-Javadoc)
  @see com.ibm.ws.sib.msgstore.persistence.Operation#copyDataIfVulnerable()