DerivedDataCache


Name	DerivedDataCache
Type	Developer
Location	/Engine/Source/Developer/DerivedDataCache/
Module Build Rules	DerivedDataCache.Build.cs

Name	Remarks
FBuildAction	A build action is an immutable reference to a build function and its inputs.
FBuildActionBuilder	A build action builder is used to construct a build action.
FBuildConfigContext	A build config context allows cache and build behavior to be modified based on constant inputs.
FBuildContext	A build context provides the inputs for a build function and saves its outputs.
FBuildDefinition	A build definition is an immutable reference to a build function and its inputs.
FBuildDefinitionBuilder	A build definition builder is used to construct a build definition.
FBuildInputs	Build inputs are an immutable container of key/value pairs for the inputs to a build function.
FBuildInputsBuilder	A build inputs builder is used to construct build inputs.Create using IBuild::CreateInputs().
FBuildOutput	A build output is an immutable container of values, messages, and logs produced by a build.
FBuildOutputBuilder	A build output builder is used to construct a build output.Create using IBuild::CreateOutput().
FBuildPolicy	Flags to control the behavior of build requests, with optional overrides by value.
FBuildPolicyBuilder	A build policy builder is used to construct a build policy.
FBuildSession	A build session is the main point to the build scheduler.
FBuildVersionBuilder	A type that builds a build version from arbitrary values serialized to it.
FBuildWorker
FBuildWorkerBuilder
FCacheBucket	An alphanumeric identifier that groups related cache records.
FCacheKeyBuilder	A type that builds a cache key from arbitrary values serialized to it.
FCacheRecord	A cache record is a key, an array of values, and metadata.
FCacheRecordBuilder	A cache record builder is used to construct a cache record.
FCacheRecordPolicy	Flags to control the behavior of cache record requests, with optional overrides by value.
FCacheRecordPolicyBuilder	A cache record policy builder is used to construct a cache record policy.
FDerivedDataCacheInterface	Interface for the derived data cache This API is fully threadsafe (with the possible exception of the system interface: NotfiyBootComplete, etc).
FDerivedDataCacheStatsNode	Hierarchical usage stats for the DDC nodes.
FDerivedDataCacheUsageStats
FDerivedDataPluginInterface	Interface for data deriving backends This API will not be called concurrently, except that Build might be called on different instances if IsBuildThreadsafe.
FOptionalBuildAction	A build action that can be null.
FOptionalBuildDefinition	A build definition that can be null.
FOptionalBuildInputs	Build inputs that can be null.
FOptionalBuildOutput	A build output that can be null.
FOptionalBuildSession	A build session that can be null.
FOptionalCacheRecord	A cache record that can be null.
FOptionalCacheRecordPolicy	A cache record policy that can be null.
FRequestBarrier	A request barrier is expected to be used when an owner may have new requests added to it.
FRequestBase	An asynchronous request base type that provides reference counting.
FRequestOwner	A concrete request owner that also presents as a request.
FValue	A value is a compressed buffer identified by its raw hash and raw size.
FValueWithId	A value with an ID.
TBuildFunctionFactory	Factory that creates and registers a build function.
TFunctionRef

Name	Remarks
FBuildActionKey	A key that uniquely identifies a build action.
FBuildCompleteParams	Parameters for the completion callback for build requests.
FBuildInputDataByKey	Data for build inputs with the input key.
FBuildInputDataResolvedParams	Parameters for the resolved callback for build input data requests.
FBuildInputMetaByKey	Metadata for build inputs with the input key.
FBuildInputMetaResolvedParams	Parameters for the resolved callback for build input metadata requests.
FBuildJobCompleteParams	Parameters for the completion callback for build jobs.
FBuildKey	A key that uniquely identifies a build definition.
FBuildKeyResolvedParams	Parameters for the resolved callback for build definition requests.
FBuildOutputLog	A build output log is a log message captured from a build function.
FBuildOutputMessage	A build output message is diagnostic output from a build function and must be deterministic.
FBuildSchedulerParams	Parameters that describe a build job to the build scheduler.
FBuildValueKey	A key that uniquely identifies a value within a build output.
FBuildValuePolicy	A value ID and the build policy to use for that value.
FBuildWorkerActionCompleteParams
FBuildWorkerFileDataCompleteParams
FCacheGetChunkRequest	Parameters to request a chunk, which is a subset of a value, from a cache record or cache value.
FCacheGetChunkResponse	Parameters for the completion callback for cache chunk requests.
FCacheGetRequest	Parameters to request to get a cache record.
FCacheGetResponse	Parameters for the completion callback for cache get requests.
FCacheGetValueRequest	Parameters to request to get a cache value.
FCacheGetValueResponse	Parameters for the completion callback for cache value get requests.
FCacheKey	A key that uniquely identifies a cache record.
FCachePutRequest	Parameters to request to put a cache record.
FCachePutResponse	Parameters for the completion callback for cache put requests.
FCachePutValueRequest	Parameters to request to put a cache value.
FCachePutValueResponse	Parameters for the completion callback for cache value put requests.
FCacheRecordKeyFuncs	An implementation of KeyFuncs to compare FCacheRecord by its FCacheKey.
FCacheValuePolicy	A value ID and the cache policy to use for that value.
FDerivedDataCacheResourceStat
FDerivedDataCacheResourceStatKeyFuncs
FDerivedDataCacheSpeedStats	Performance stats for this backend
FDerivedDataCacheSummaryStats
FValueId	A 12-byte value that uniquely identifies a value in the context that it was created.
TChunkEqual	Binary predicate that compares chunks by key, then value ID, then raw offset.
TChunkLess	Binary predicate that compares chunks by key, then value ID, then raw offset.

Name	Remarks
IBuild	Interface to the build system.
IBuildActionBuilderInternal
IBuildActionInternal
IBuildDefinitionBuilderInternal
IBuildDefinitionInternal
IBuildFunction	A build function is referenced by a build definition as the way to build its inputs.
IBuildFunctionFactory	DO NOT USE DIRECTLY.
IBuildFunctionRegistry	A build function registry maintains a collection of build functions.
IBuildInputResolver	Interface to resolve references to build inputs.
IBuildInputsBuilderInternal
IBuildInputsInternal
IBuildJob	A build job is responsible for the execution of one build.
IBuildJobSchedule	Scheduling interface and context for a build job.
IBuildOutputBuilderInternal
IBuildOutputInternal
IBuildPolicyShared	Interface for the private implementation of the build policy.
IBuildScheduler	A build scheduler is responsible for deciding when and where a job executes in certain states.
IBuildSchedulerMemoryQueue	Allows execution of a build to be queued until there is sufficient memory available.
IBuildSchedulerTypeQueue	Allows execution of a build to be queued in a type-specific way.
IBuildSessionInternal
IBuildWorkerExecutor
IBuildWorkerFactory
IBuildWorkerRegistry	A build worker registry maintains a collection of build workers.
ICache	Interface to the cache.
ICacheRecordBuilderInternal
ICacheRecordInternal
ICacheRecordPolicyShared	Interface for the private implementation of the cache record policy.
ICacheStoreMaintainer	A cache store may register an instance of this interface to take part in cache maintenance.
IDDCCleanup
IDerivedDataCacheModule	Module for the Derived Data Cache and Derived Data Build.
IRequest	Interface to an asynchronous request that can be prioritized or canceled.
IRequestOwner	A request owner manages requests throughout their execution.

Name	Type	Include Path
FBuildInputFilter	TUniqueFunction< bool(FUtf8StringView Key)>	DerivedDataBuildInputResolver.h
FOnBuildComplete	TUniqueFunction< void(FBuildCompleteParams &&Params)>	DerivedDataBuildTypes.h
FOnBuildInputDataResolved	TUniqueFunction< void(FBuildInputDataResolvedParams &&Params)>	DerivedDataBuildInputResolver.h
FOnBuildInputMetaResolved	TUniqueFunction< void(FBuildInputMetaResolvedParams &&Params)>	DerivedDataBuildInputResolver.h
FOnBuildJobComplete	TUniqueFunction< void(FBuildJobCompleteParams &&Params)>	DerivedDataBuildJob.h
FOnBuildKeyResolved	TUniqueFunction< void(FBuildKeyResolvedParams &&Params)>	DerivedDataBuildInputResolver.h
FOnBuildWorkerActionComplete	TUniqueFunction< void(FBuildWorkerActionCompleteParams &&Params)>	DerivedDataBuildWorker.h
FOnBuildWorkerFileDataComplete	TUniqueFunction< void(FBuildWorkerFileDataCompleteParams &&Params)>	DerivedDataBuildWorker.h
FOnCacheGetChunkComplete	TUniqueFunction< void(FCacheGetChunkResponse &&Response)>	DerivedDataCache.h
FOnCacheGetComplete	TUniqueFunction< void(FCacheGetResponse &&Response)>	DerivedDataCache.h
FOnCacheGetValueComplete	TUniqueFunction< void(FCacheGetValueResponse &&Response)>	DerivedDataCache.h
FOnCachePutComplete	TUniqueFunction< void(FCachePutResponse &&Response)>	DerivedDataCache.h
FOnCachePutValueComplete	TUniqueFunction< void(FCachePutValueResponse &&Response)>	DerivedDataCache.h
FOnCacheRecordComplete	TUniqueFunction< void(FCacheRecord &&Record)>	DerivedDataCacheRecord.h

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

Name	Remarks	Include Path
COOK_STAT ( using FDerivedDataCacheSummaryStat )		DerivedDataCacheUsageStats.h
void GatherDerivedDataCacheResourceStats ( TArray< FDerivedDataCacheResourceStat >& DDCResourceStats )		DerivedDataCacheUsageStats.h
void GatherDerivedDataCacheSummaryStats ( FDerivedDataCacheSummaryStats& DDCSummaryStats )		DerivedDataCacheUsageStats.h
UE::DerivedData::ENUM_CLASS_FLAGS ( EBuildPolicy )		DerivedDataBuildTypes.h
UE::DerivedData::ENUM_CLASS_FLAGS ( EBuildStatus )		DerivedDataBuildTypes.h
UE::DerivedData::ENUM_CLASS_FLAGS ( ECachePolicy )		DerivedDataCachePolicy.h
UE::DerivedData::ENUM_CLASS_FLAGS ( ERequestBarrierFlags )		DerivedDataRequestOwner.h
uint32 UE::DerivedData::GetTypeHash ( const FBuildKey& Key )		DerivedDataBuildKey.h
uint32 UE::DerivedData::GetTypeHash ( const FBuildActionKey& Key )		DerivedDataBuildKey.h
uint32 UE::DerivedData::GetTypeHash ( const FBuildValueKey& Key )		DerivedDataBuildKey.h
uint32 UE::DerivedData::GetTypeHash ( const FValueId& Id )		DerivedDataValueId.h
bool UE::DerivedData::operator!= ( const FBuildKey& A, const FBuildKey& B )		DerivedDataBuildKey.h
bool UE::DerivedData::operator!= ( const FBuildActionKey& A, const FBuildActionKey& B )		DerivedDataBuildKey.h
bool UE::DerivedData::operator!= ( const FBuildValueKey& A, const FBuildValueKey& B )		DerivedDataBuildKey.h
bool UE::DerivedData::operator!= ( const FValueId& A, const FValueId& B )		DerivedDataValueId.h
bool UE::DerivedData::operator== ( const FBuildKey& A, const FBuildKey& B )		DerivedDataBuildKey.h
bool UE::DerivedData::operator== ( const FBuildActionKey& A, const FBuildActionKey& B )		DerivedDataBuildKey.h
bool UE::DerivedData::operator== ( const FBuildValueKey& A, const FBuildValueKey& B )		DerivedDataBuildKey.h
bool UE::DerivedData::operator== ( const FValue& A, const FValue& B )	Compare values by the hash and size of their raw buffer.	DerivedDataValue.h
bool UE::DerivedData::operator== ( const FValueWithId& A, const FValueWithId& B )	Compare values by their ID and the hash and size of their raw buffer.	DerivedDataValue.h
bool UE::DerivedData::operator== ( const FValueId& A, const FValueId& B )		DerivedDataValueId.h

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