OnixS ICE iMpact Multicast Price Feed Handler C++ library  8.11.0
API documentation
FeedListener.h
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19 
20 #pragma once
21 
22 #include "Export.h"
23 #include "Types.h"
24 #include "Error.h"
25 #include "MessageInfo.h"
26 
27 #include <string>
28 
29 namespace OnixS { namespace ICE { namespace iMpact { namespace MarketData {
30 
31 /// \brief Defines the interface through which the Handler
32 /// notifies subscribers about feed events.
33 class ONIXS_ICEMDH_EXPORT FeedListener
34 {
35 public:
36  /// Implement this member to get notifications about starting of new feeds.
37  ///
38  /// \param feedId Feed ID.
39  /// \param ids Market IDs.
40  virtual void onFeedStarted(FeedId feedId, const MarketIds& ids) = 0;
41 
42  /// Implement this member to get notifications about finishing of feeds.
43  ///
44  /// \param feedId Feed ID.
45  virtual void onFeedStopped(FeedId feedId) = 0;
46 
47  /// \brief Implement this member to get notifications about multicast message block start.
48  ///
49  /// \param feedId Feed ID.
50  /// \param msgInfo information about multicast message block.
51  virtual void onMulticastMessageBlockBegin(FeedId feedId, const MessageInfo& msgInfo) = 0;
52 
53  /// \brief Implement this member to get notifications about multicast message block end.
54  ///
55  /// \param feedId Feed ID.
56  /// \param marketIds updated market IDs.
57  virtual void onMulticastMessageBlockEnd(FeedId feedId, const MarketIds& marketIds) = 0;
58 
59  /// \brief Implement this member to get notifications about session number change.
60  ///
61  /// \param feedId Feed ID.
62  /// \param oldSessionNumber Old session number.
63  /// \param newSessionNumber New session number.
64  virtual void onSessionNumberChange(FeedId feedId, short oldSessionNumber, short newSessionNumber) = 0;
65 
66 protected:
67  virtual ~FeedListener() {}
68 };
69 
70 }}}} // namespace MarketData, iMpact, ICE, OnixS
std::set< MarketId > MarketIds
List of market ID&#39;s.
Definition: Types.h:48
Defines the interface through which the Handler notifies subscribers about feed events.
Definition: FeedListener.h:33
int FeedId
Alias for market types.
Definition: Types.h:30