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Tango Java Events

Tango Java Events. Used omniNotify idl files : AttNotifyChannelAdmin.idl CosNotification.idl CosNotifyChannelAdmin.idl CosNotifyFilter.idl CosTime.idl CosTimerEvent.idl RDITestTypes.idl JacORB provides a java implementation of the CORBA Event Service

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Tango Java Events

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  1. Tango Java Events

  2. Used omniNotify idl files : • AttNotifyChannelAdmin.idl • CosNotification.idl • CosNotifyChannelAdmin.idl • CosNotifyFilter.idl • CosTime.idl • CosTimerEvent.idl • RDITestTypes.idl • JacORB provides a java implementation of the CORBA Event Service •  No need of the omniNotify idl files : • CosEventComm.idl • CosEventChannelAdmin.idl

  3. Compiling idl files : • Jacorb idl compiler issued only some warnings concerning omniORB specific pragmas • Used to insert extra includes into the omniorb stub header • (example : #pragma hh #include <COS_sysdep.h>) •  Does not impact Java Code • Generating java packages (under tango-cs/api/java directory) : • org.omg.AttNotifyChannelAdmin • org.omg.CosNotification • org.omg.CosNotifyChannelAdmin • org.omg.CosNotifyFilter • org.omg.CosTime • org.omg.CosTimerEvent • org.omg.RDITestTypes

  4. Porting event.cpp to Java  TangoApi package modifications : Added classes DbEventImportInfo EventCallback EventCallbackStruct EventChannelStruct EventConsumer EventData Added Database method DbEventImportInfo import_event(String channel_name) Added ApiUtil methods static void create_event_consumer() static void get_event_consumer()

  5. Java Event Client API • - KeepAliveThread not yet implemented • - Added DeviceProxy method • void subscribe_event(String att,String event,EventCallback cb) • Tested with Andy TANGO (C++) server generating events •  OK

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