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DerivedDataCache

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Classes

  Type Name Description
Public class FBuildAction A build action is an immutable reference to a build function and its inputs.  
Public class FBuildActionBuilder A build action builder is used to construct a build action.  
Public struct FBuildActionKey A key that uniquely identifies a build action.  
Public struct FBuildCompleteParams Parameters for the completion callback for build requests.  
Public class FBuildConfigContext A build config context allows cache and build behavior to be modified based on constant inputs.  
Public class FBuildContext A build context provides the inputs for a build function and saves its outputs.  
Public class FBuildDefinition A build definition is an immutable reference to a build function and its inputs.  
Public class FBuildDefinitionBuilder A build definition builder is used to construct a build definition.  
Public struct FBuildInputDataByKey Data for build inputs with the input key.  
Public struct FBuildInputDataResolvedParams Parameters for the resolved callback for build input data requests.  
Public struct FBuildInputMetaByKey Metadata for build inputs with the input key.  
Public struct FBuildInputMetaResolvedParams Parameters for the resolved callback for build input metadata requests.  
Public class FBuildInputs Build inputs are an immutable container of key/value pairs for the inputs to a build function.  
Public class FBuildInputsBuilder A build inputs builder is used to construct build inputs.  
Public struct FBuildJobCompleteParams Parameters for the completion callback for build jobs.  
Public struct FBuildKey A key that uniquely identifies a build definition.  
Public struct FBuildKeyResolvedParams Parameters for the resolved callback for build definition requests.  
Public class FBuildOutput A build output is an immutable container of values, messages, and logs produced by a build.  
Public class FBuildOutputBuilder A build output builder is used to construct a build output.  
Public struct FBuildOutputLog A build output log is a log message captured from a build function.  
Public struct FBuildOutputMessage A build output message is diagnostic output from a build function and must be deterministic.  
Public class FBuildPolicy Flags to control the behavior of build requests, with optional overrides by value.  
Public class FBuildPolicyBuilder A build policy builder is used to construct a build policy.  
Public struct FBuildSchedulerParams Parameters that describe a build job to the build scheduler.  
Public class FBuildSession A build session is the main point to the build scheduler.  
Public struct FBuildValueKey A key that uniquely identifies a value within a build output.  
Public struct FBuildValuePolicy A value ID and the build policy to use for that value.  
Public class FBuildVersionBuilder A type that builds a build version from arbitrary values serialized to it.  
Public class FBuildWorker    
Public struct FBuildWorkerActionCompleteParams    
Public class FBuildWorkerBuilder    
Public struct FBuildWorkerFileDataCompleteParams    
Public class FCacheBucket An alphanumeric identifier that groups related cache records.  
Public struct FCacheGetChunkRequest Parameters to request a chunk, which is a subset of a value, from a cache record or cache value.  
Public struct FCacheGetChunkResponse Parameters for the completion callback for cache chunk requests.  
Public struct FCacheGetRequest Parameters to request to get a cache record.  
Public struct FCacheGetResponse Parameters for the completion callback for cache get requests.  
Public struct FCacheGetValueRequest Parameters to request to get a cache value.  
Public struct FCacheGetValueResponse Parameters for the completion callback for cache value get requests.  
Public struct FCacheKey A key that uniquely identifies a cache record.  
Public class FCacheKeyBuilder A type that builds a cache key from arbitrary values serialized to it.  
Public struct FCachePutRequest Parameters to request to put a cache record.  
Public struct FCachePutResponse Parameters for the completion callback for cache put requests.  
Public struct FCachePutValueRequest Parameters to request to put a cache value.  
Public struct FCachePutValueResponse Parameters for the completion callback for cache value put requests.  
Public class FCacheRecord A cache record is a key, an array of values, and metadata.  
Public class FCacheRecordBuilder A cache record builder is used to construct a cache record.  
Public struct FCacheRecordKeyFuncs An implementation of KeyFuncs to compare FCacheRecord by its FCacheKey.  
Public class FCacheRecordPolicy Flags to control the behavior of cache record requests, with optional overrides by value.  
Public class FCacheRecordPolicyBuilder A cache record policy builder is used to construct a cache record policy.  
Public struct FCacheValuePolicy A value ID and the cache policy to use for that value.  
Public class FDerivedDataCacheInterface Interface for the derived data cache This API is fully threadsafe (with the possible exception of the system interface: NotfiyBootComplete, etc).  
Public struct FDerivedDataCacheResourceStat    
Public struct FDerivedDataCacheResourceStatKeyFuncs    
Public struct FDerivedDataCacheSpeedStats Performance stats for this backend  
Public class FDerivedDataCacheStatsNode Hierarchical usage stats for the DDC nodes.  
Public struct FDerivedDataCacheSummaryStats    
Public class FDerivedDataCacheUsageStats Copyright Epic Games, Inc. All Rights Reserved.  
Public class FDerivedDataPluginInterface Interface for data deriving backends This API will not be called concurrently, except that Build might be called on different instances if IsBuildThreadsafe.  
Public class FOptionalBuildAction A build action that can be null.  
Public class FOptionalBuildDefinition A build definition that can be null.  
Public class FOptionalBuildInputs Build inputs that can be null.  
Public class FOptionalBuildOutput A build output that can be null.  
Public class FOptionalBuildSession A build session that can be null.  
Public class FOptionalCacheRecord A cache record that can be null.  
Public class FOptionalCacheRecordPolicy A cache record policy that can be null.  
Public class FRequestBarrier A request barrier is expected to be used when an owner may have new requests added to it.  
Public class FRequestBase An asynchronous request base type that provides reference counting.  
Public class FRequestOwner A concrete request owner that also presents as a request.  
Public class FValue A value is a compressed buffer identified by its raw hash and raw size.  
Public struct FValueId A 12-byte value that uniquely identifies a value in the context that it was created.  
Public class FValueWithId A value with an ID.  
Public class IBuild Interface to the build system.  
Public class IBuildActionBuilderInternal    
Public class IBuildActionInternal    
Public class IBuildDefinitionBuilderInternal    
Public class IBuildDefinitionInternal    
Public class IBuildFunction A build function is referenced by a build definition as the way to build its inputs.  
Public class IBuildFunctionFactory DO NOT USE DIRECTLY.  
Public class IBuildFunctionRegistry A build function registry maintains a collection of build functions.  
Public class IBuildInputResolver Interface to resolve references to build inputs.  
Public class IBuildInputsBuilderInternal    
Public class IBuildInputsInternal    
Public class IBuildJob A build job is responsible for the execution of one build.  
Public class IBuildJobSchedule Scheduling interface and context for a build job.  
Public class IBuildOutputBuilderInternal    
Public class IBuildOutputInternal    
Public class IBuildPolicyShared Interface for the private implementation of the build policy.  
Public class IBuildScheduler A build scheduler is responsible for deciding when and where a job executes in certain states.  
Public class IBuildSchedulerMemoryQueue Allows execution of a build to be queued until there is sufficient memory available.  
Public class IBuildSchedulerTypeQueue Allows execution of a build to be queued in a type-specific way.  
Public class IBuildSessionInternal    
Public class IBuildWorkerExecutor    
Public class IBuildWorkerFactory    
Public class IBuildWorkerRegistry A build worker registry maintains a collection of build workers.  
Public class ICache Interface to the cache.  
Public class ICacheRecordBuilderInternal    
Public class ICacheRecordInternal    
Public class ICacheRecordPolicyShared Interface for the private implementation of the cache record policy.  
Public class ICacheStoreMaintainer A cache store may register an instance of this interface to take part in cache maintenance.  
Public class IDDCCleanup    
Public class IDerivedDataCacheModule Module for the Derived Data Cache and Derived Data Build.  
Public class IRequest Interface to an asynchronous request that can be prioritized or canceled.  
Public class IRequestOwner A request owner manages requests throughout their execution.  
Public class TBuildFunctionFactory Factory that creates and registers a build function.  
Public struct TChunkEqual Binary predicate that compares chunks by key, then value ID, then raw offset.  
Public struct TChunkLess Binary predicate that compares chunks by key, then value ID, then raw offset.  

Typedefs

Name Description
FBuildInputFilter  
FOnBuildComplete  
FOnBuildInputDataResolved  
FOnBuildInputMetaResolved  
FOnBuildJobComplete  
FOnBuildKeyResolved  
FOnBuildWorkerActionComplete  
FOnBuildWorkerFileDataComplete  
FOnCacheGetChunkComplete  
FOnCacheGetComplete  
FOnCacheGetValueComplete  
FOnCachePutComplete  
FOnCachePutValueComplete  
FOnCacheRecordComplete  

Enums

  Type Name Description
Public enum EDerivedDataCacheStatus    
Public enum UE::DerivedData::EBuildOutputLogLevel    
Public enum UE::DerivedData::EBuildOutputMessageLevel    
Public enum UE::DerivedData::EBuildPolicy Flags to control the behavior of build requests.  
Public enum UE::DerivedData::EBuildStatus Flags for build request completion callbacks.  
Public enum UE::DerivedData::ECachePolicy Flags to control the behavior of cache requests.  
Public enum UE::DerivedData::EPriority Priority for scheduling a request.  
Public enum UE::DerivedData::ERequestBarrierFlags Flags to control the behavior of request barriers.  
Public enum UE::DerivedData::EStatus Status of a request that has completed.  

Functions

  Type Name Description
Public function  

COOK_STAT ( using FDerivedDataCacheSummaryStat
)

  
Public function void  
Public function void  
Public function    
Public function    
Public function    
Public function    
Public function uint32  
Public function uint32  
Public function uint32  
Public function uint32  
Public function bool  
Public function bool  
Public function bool  
Public function bool  
Public function bool Compare values by their ID and the hash and size of their raw buffer.
Public function bool  
Public function bool  
Public function bool  
Public function bool

UE::DerivedData::operator== ( const FValue& A,
const FValue& B
)

 Compare values by the hash and size of their raw buffer.
Public function bool  

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