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General statements

FIXEdge SDK allows developer developers to create custom plugins for FIXEdge: Transport Adaptors and Handlers.

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src_TA - source of sample Transport Adaptor

Requirements

FIXEDge The FIXEdge SDK is available for windows Windows (MS Visual Studio 2010, x64) and linux Linux (RHEL 6, gcc44, x64)

CMake v 2.8 should be used to prepare the solution of sample Handler and sample Transport Adaptor

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Handler is a lightweight plugin for FIXEdge. It is suited for using in the following scenariosscenario:

  • make some modifications on incoming FIX Messages (add|/delete|/modify some tags based on some conditions that is difficult to implement in BL XML or BL JS) and pass it back to BL or TransportAdaptorTransport Adaptor

There are already implemented Handlers - see FIXEdge BL Handlers for more info.

Transport Adaptor is more complicated plugin. It is suited for using use in the following scenarios where adapting FIX Session to any other kind of session is required:

  •  establish a connection to any non-FIX endpoints (such as SMTP - SMTP TA, IBM MQ, HTTPS, JMS, Kafka, and so on) and provide a data flow between these endpoints and FIX Sessions.
  • periodically polling of any FIX or non-FIX endpoints

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FeatureHandlerTransport Adaptor
Load

reloads each time after BL Rules are reloaded

loads only if reference to Handler exists in some BL rule

once at FE start
ClientIDdoesn't have a ClientID. Can't be referenced by another Handler or TA.Can register several ClientIDs
Incoming messages

Can be addressed from BL Rules using <HandlerAction> tag only

 message is coming to process method

Messages to each of ClientID can be passed from BL <Send> tag, or from another TA or Handler.

Message is coming into the sendToClient method

Outgoing messages

Can just pass original or transformed message to the BL

Can send synchronously to any registered ClientID

Can send asynchronously to any registed ClientID

Can be send to BL only via the onMessageFromClient method.

onMessageFromClient can't be called from the same thread as sendToClient

History accesshas direct access to any configured on BL Historyfor Bridge Adaptors only (see FIXEdge Transport Adaptors Developer Guide) for more details
Configurationin BL_Config.xmlin FIXEdge.properties


More For more detailed info on developing custom Handler, see FIXEdge BL Handlers Developer Guide.

More For more detailed info on  developing developing custom Transport Adaptor, see FIXEdge Transport Adaptors Developer Guide.