MonitorElement remove unused

documentation/release_notes.h

@@ -22,6 +22,7 @@ Release 6.0.0 (UNRELEASED)
    The "pva" and "ca" providers are registered with the clients() singleton.
    epics::pvAccess::ServerContext() looks up names with the servers() singleton.
  - Removed deprecated epics::pvAccess::Properties
+ - The data members of epics::pvAccess::MonitorElement become const, preventing these pointers from being re-targeted.
 - Simplifications
  - use of the epics::pvAccess::ChannelRequester interface is optional
    and may be omitted when calling createChannel().

src/client/pv/monitor.h

@@ -49,17 +49,10 @@ typedef std::tr1::shared_ptr<Monitor> MonitorPtr;
 class epicsShareClass MonitorElement {
 public:
     POINTER_DEFINITIONS(MonitorElement);
-    MonitorElement(){}
     MonitorElement(epics::pvData::PVStructurePtr const & pvStructurePtr);
     const epics::pvData::PVStructurePtr pvStructurePtr;
     const epics::pvData::BitSet::shared_pointer changedBitSet;
     const epics::pvData::BitSet::shared_pointer overrunBitSet;
-    // info to assist monitor debugging
-    enum state_t {
-        Free,   //!< data invalid.  eg. on internal free list
-        Queued, //!< data valid.  Owned by Monitor.  Waiting for Monitor::poll()
-        InUse   //!< data valid.  Owned by MonitorRequester.  Waiting for Monitor::release()
-    } state;
 
     class Ref;
 };

src/client/pvAccess.cpp

@@ -143,7 +143,6 @@ MonitorElement::MonitorElement(epics::pvData::PVStructurePtr const & pvStructure
     : pvStructurePtr(pvStructurePtr)
     ,changedBitSet(epics::pvData::BitSet::create(static_cast<epics::pvData::uint32>(pvStructurePtr->getNumberFields())))
     ,overrunBitSet(epics::pvData::BitSet::create(static_cast<epics::pvData::uint32>(pvStructurePtr->getNumberFields())))
-    ,state(Free)
 {}
 
 }} // namespace epics::pvAccess