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PersistenceCoreFetchPrefetchPathAsync Method

Async variant of FetchPrefetchPath(QueryParameters, Boolean, ITransaction, Int32, ActionQueryParameters, ActionITransaction, IPrefetchPathElementCore, QueryParameters, IEntityCollectionCore). Fetches one or more entities which match the filter information in the filterBucket into the EntityCollection passed. The entity collection object has to contain an entity factory object which will be the factory for the entity instances to be fetched.

Namespace:  SD.LLBLGen.Pro.ORMSupportClasses
Assembly:  SD.LLBLGen.Pro.ORMSupportClasses (in SD.LLBLGen.Pro.ORMSupportClasses.dll) Version: 5.9.0.0 (5.9.0)
Syntax
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public static Task FetchPrefetchPathAsync(
	QueryParameters rootNodeParameters,
	bool forceParameterizedPPath,
	ITransaction transactionToUse,
	int parameterisedPrefetchPathThreshold,
	Func<QueryParameters, Task> fetchNodeFunc,
	Func<ITransaction, IPrefetchPathElementCore, QueryParameters, IEntityCollectionCore, Task> mergeManyToManyFunc
)

Parameters

rootNodeParameters
Type: SD.LLBLGen.Pro.ORMSupportClassesQueryParameters
The parameters.
forceParameterizedPPath
Type: SystemBoolean
if set to true, it always will use a parameterized prefetch path, no matter what. Used for paging scenario's
transactionToUse
Type: SD.LLBLGen.Pro.ORMSupportClassesITransaction
The transaction to use. Is null in adapter scenarios
parameterisedPrefetchPathThreshold
Type: SystemInt32
The parameterised prefetch path threshold.
fetchNodeFunc
Type: SystemFuncQueryParameters, Task
The fetch node func, used to fetch the data for the current node.
mergeManyToManyFunc
Type: SystemFuncITransaction, IPrefetchPathElementCore, QueryParameters, IEntityCollectionCore, Task
The merge many to many func, which is used in a m:n scenario to merge the fetched entities into the root entities using a m:n merge which will fetch the intermediate rows to perform the merge.

Return Value

Type: Task
Exceptions
ExceptionCondition
ArgumentNullExceptionparameters
InvalidOperationExceptionBUG in call chain: QueryParameters passed in isn't a clone, while it's ordered to be altered.
ApplicationException
See Also