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  3. FFrontendQueryStep

FFrontendQueryStep

[FFrontendQueryStep](API\Plugins\MetasoundFrontend\FFrontendQueryStep) wraps all the support IFrontenQueryStep interfaces and supplies unified `ExecuteStep(...)_ member function.

API > API/Plugins > API/Plugins/MetasoundFrontend

References

   
Module MetasoundFrontend
Header /Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundFrontendQuery.h
Include #include "MetasoundFrontendQuery.h"

Syntax

class FFrontendQueryStep

Remarks

FFrontendQueryStep wraps all the support IFrontenQueryStep interfaces and supplies unified `ExecuteStep(...)_ member function.

Constructors

  Type Name Description
Public function    
Public function   Create a query step using a IFrontedQueryStep
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Public function   Create query step using TFunction or lambda.
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Functions

  Type Name Description
Public function Const bool Return true if the step can be used to process downstream removals.
Public function Const bool Return true if the step can produce new entries.
Public function Const void

Execute ( TSet< FFrontendQueryKey >& InOutUpdatedKeys,
FFrontendQuerySelection& InOutResult
)

 Execute step. Assume not other prior results exist.
Public function Const bool Returns true if a steps result is conditioned on the composition of a partition.
Public function Const void

Merge ( FIncremental& InIncremental,
FFrontendQuerySelection& InOutSelection
)

 Merge an incremental result with the prior result from this step.

Classes

  Type Name Description
Public struct FIncremental Represents an incremental update to the existing data.  
Public struct IStepExecuter Interface for executing a step in the query.  

Typedefs

Name Description
FFilterFunction  
FLimitFunction  
FMapFunction  
FMultiMapFunction  
FReduceFunction  
FScoreFunction  
FSortFunction  
FStreamFunction  
FTransformFunction  

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