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Facet Types

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Created by jrenbb, last modified by Baseer Khan on Mar 23, 2016

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Definition of Facet Types

A Facet Type is a unit of capability (or method) represented by a piece of executable code (a Java class) intended to process a request. The facet type’s method selection is based on the facet lifecycle event model. In short, the TQLEngine invokes the appropriate facet type method using the current facet pipeline connection context and facet instance information as argument.

Facet Types in the TQLEngine

Name	Type Name	Description
Message	SffMsgFacet	Generic Message Communication.
Network	SffNetworkFacet	TQLEngine cluster support. Define the list of TQLEngine(s) that can participate in syncing their data
Tql	SffTqlFacet	Thing Query Language Support (Thing Definition, Thing Interaction)
Workflow	SffWdlFacet	Workflow Language Support
Behavior Trees	SffBdlFacet	Behavior Tree Implementation
Topic	SffTopicFacet	Subscription and Notification of Model changes
Scheduling	SffSequenceFacet	Schedule tasks / jobs (piece of Model code) to be executed in a repeated sequence of defined interval.
Static Files	SffStaticFileFacet	Serve static files using TQLEngine.

Message

Message Facet Type is a generic Message processing over any given specified transport. Message Facet Type does not support any specific payload to process unlike other Facet types. Message Facet Type can be used process any payload that is passed to it.

Facet Type Name	SffMsgFacet
Language Support	FacetScript
Transports	HttpServerExtensionArgs WsServerExtensionArg
Usage	Facet Types are used using <NewFacetInstance> when creating a Package (Deployment) definition for your models. SffMsgFacet Example <NewFacetInstance fid="smartparking" name="SmartParking" type="SffMsgFacet"> <OnOpen ModifyPipeline="HttpServerExtensionArgs" /> <OnRequest> <!-- Handle Request --> <!-- Any FacetScript Code can go in here... -> <DoResponse> <!-- Send the response back.. -> </DoResponse> </OnRequest> </NewFacetInstance>
Other Names	SffTcpFacet
Use Cases	Publish HTTP or WebSocket Endpoint served by TQLEngine to process any request and send response. Can be used to create a proxy to other facet types (like SffTqlFacet).

Network

Message Facet Type is a generic Message processing over any given specified transport. Message Facet Type does not support any specific payload to process unlike other Facet types. Message Facet Type can be used process any payload that is passed to it.

Facet Type Name	SffMsgFacet
Language Support	FacetScript
Transports	HttpServerExtensionArgs WsServerExtensionArg
Usage	Facet Types are used using <NewFacetInstance> when creating a Package (Deployment) definition for your models. SffMsgFacet Example <NewFacetInstance fid="smartparking" name="SmartParking" type="SffMsgFacet"> <OnOpen ModifyPipeline="HttpServerExtensionArgs" /> <OnRequest> <!-- Handle Request --> <!-- Any FacetScript Code can go in here... -> <DoResponse> <!-- Send the response back.. -> </DoResponse> </OnRequest> </NewFacetInstance>
Other Names	SffTcpFacet
Use Cases	Publish HTTP or WebSocket Endpoint served by TQLEngine to process any request and send response. Can be used to create a proxy to other facet types (like SffTqlFacet).

TQL

Message Facet Type is a generic Message processing over any given specified transport. Message Facet Type does not support any specific payload to process unlike other Facet types. Message Facet Type can be used process any payload that is passed to it.

Facet Type Name	SffMsgFacet
Language Support	FacetScript
Transports	HttpServerExtensionArgs WsServerExtensionArg
Usage	Facet Types are used using <NewFacetInstance> when creating a Package (Deployment) definition for your models. SffMsgFacet Example <NewFacetInstance fid="smartparking" name="SmartParking" type="SffMsgFacet"> <OnOpen ModifyPipeline="HttpServerExtensionArgs" /> <OnRequest> <!-- Handle Request --> <!-- Any FacetScript Code can go in here... -> <DoResponse> <!-- Send the response back.. -> </DoResponse> </OnRequest> </NewFacetInstance>
Other Names	SffTcpFacet
Use Cases	Publish HTTP or WebSocket Endpoint served by TQLEngine to process any request and send response. Can be used to create a proxy to other facet types (like SffTqlFacet).

Workflow

Message Facet Type is a generic Message processing over any given specified transport. Message Facet Type does not support any specific payload to process unlike other Facet types. Message Facet Type can be used process any payload that is passed to it.

Facet Type Name	SffMsgFacet
Language Support	FacetScript
Transports	HttpServerExtensionArgs WsServerExtensionArg
Usage	Facet Types are used using <NewFacetInstance> when creating a Package (Deployment) definition for your models. SffMsgFacet Example <NewFacetInstance fid="smartparking" name="SmartParking" type="SffMsgFacet"> <OnOpen ModifyPipeline="HttpServerExtensionArgs" /> <OnRequest> <!-- Handle Request --> <!-- Any FacetScript Code can go in here... -> <DoResponse> <!-- Send the response back.. -> </DoResponse> </OnRequest> </NewFacetInstance>
Other Names	SffTcpFacet
Use Cases	Publish HTTP or WebSocket Endpoint served by TQLEngine to process any request and send response. Can be used to create a proxy to other facet types (like SffTqlFacet).

Behavior Trees

Message Facet Type is a generic Message processing over any given specified transport. Message Facet Type does not support any specific payload to process unlike other Facet types. Message Facet Type can be used process any payload that is passed to it.

Facet Type Name	SffMsgFacet
Language Support	FacetScript
Transports	HttpServerExtensionArgs WsServerExtensionArg
Usage	Facet Types are used using <NewFacetInstance> when creating a Package (Deployment) definition for your models. SffMsgFacet Example <NewFacetInstance fid="smartparking" name="SmartParking" type="SffMsgFacet"> <OnOpen ModifyPipeline="HttpServerExtensionArgs" /> <OnRequest> <!-- Handle Request --> <!-- Any FacetScript Code can go in here... -> <DoResponse> <!-- Send the response back.. -> </DoResponse> </OnRequest> </NewFacetInstance>
Other Names	SffTcpFacet
Use Cases	Publish HTTP or WebSocket Endpoint served by TQLEngine to process any request and send response. Can be used to create a proxy to other facet types (like SffTqlFacet).

Topic

Message Facet Type is a generic Message processing over any given specified transport. Message Facet Type does not support any specific payload to process unlike other Facet types. Message Facet Type can be used process any payload that is passed to it.

Facet Type Name	SffMsgFacet
Language Support	FacetScript
Transports	HttpServerExtensionArgs WsServerExtensionArg
Usage	Facet Types are used using <NewFacetInstance> when creating a Package (Deployment) definition for your models. SffMsgFacet Example <NewFacetInstance fid="smartparking" name="SmartParking" type="SffMsgFacet"> <OnOpen ModifyPipeline="HttpServerExtensionArgs" /> <OnRequest> <!-- Handle Request --> <!-- Any FacetScript Code can go in here... -> <DoResponse> <!-- Send the response back.. -> </DoResponse> </OnRequest> </NewFacetInstance>
Other Names	SffTcpFacet
Use Cases	Publish HTTP or WebSocket Endpoint served by TQLEngine to process any request and send response. Can be used to create a proxy to other facet types (like SffTqlFacet).

Scheduling

Message Facet Type is a generic Message processing over any given specified transport. Message Facet Type does not support any specific payload to process unlike other Facet types. Message Facet Type can be used process any payload that is passed to it.

Facet Type Name	SffMsgFacet
Language Support	FacetScript
Transports	HttpServerExtensionArgs WsServerExtensionArg
Usage	Facet Types are used using <NewFacetInstance> when creating a Package (Deployment) definition for your models. SffMsgFacet Example <NewFacetInstance fid="smartparking" name="SmartParking" type="SffMsgFacet"> <OnOpen ModifyPipeline="HttpServerExtensionArgs" /> <OnRequest> <!-- Handle Request --> <!-- Any FacetScript Code can go in here... -> <DoResponse> <!-- Send the response back.. -> </DoResponse> </OnRequest> </NewFacetInstance>
Other Names	SffTcpFacet
Use Cases	Publish HTTP or WebSocket Endpoint served by TQLEngine to process any request and send response. Can be used to create a proxy to other facet types (like SffTqlFacet).

Static Files

Message Facet Type is a generic Message processing over any given specified transport. Message Facet Type does not support any specific payload to process unlike other Facet types. Message Facet Type can be used process any payload that is passed to it.

Facet Type Name	SffMsgFacet
Language Support	FacetScript
Transports	HttpServerExtensionArgs WsServerExtensionArg
Usage	Facet Types are used using <NewFacetInstance> when creating a Package (Deployment) definition for your models. SffMsgFacet Example <NewFacetInstance fid="smartparking" name="SmartParking" type="SffMsgFacet"> <OnOpen ModifyPipeline="HttpServerExtensionArgs" /> <OnRequest> <!-- Handle Request --> <!-- Any FacetScript Code can go in here... -> <DoResponse> <!-- Send the response back.. -> </DoResponse> </OnRequest> </NewFacetInstance>
Other Names	SffTcpFacet
Use Cases	Publish HTTP or WebSocket Endpoint served by TQLEngine to process any request and send response. Can be used to create a proxy to other facet types (like SffTqlFacet).

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