case class ForwardResolution[K, V](references: DeltaSet[Key, Meta], subjectToReferences: (K, V) => Set[Key])(implicit evidence$1: Ordering[K], evidence$2: ClassTag[K], evidence$3: ClassTag[V]) extends ResolutionStrategy[K, V] with Product with Serializable
Given a DeltaSet containing references and a function that maps each subject to a set of reference partitions makes the mapped references available to the resolver when processing the subject partition, without any further network query.
- references
The DeltaSet containing the referenced partition key-meta pairs.
- subjectToReferences
The function that maps each subject to a set of referenced partition keys.
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- new ForwardResolution(references: DeltaSet[Key, Meta], subjectToReferences: (K, V) => Set[Key])(implicit arg0: Ordering[K], arg1: ClassTag[K], arg2: ClassTag[V])
- references
The DeltaSet containing the referenced partition key-meta pairs.
- subjectToReferences
The function that maps each subject to a set of referenced partition keys.
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- final def instantiate(context: DeltaContext, config: DeltaSetConfig, referencePartitioner: Partitioner[Key]): ResolutionStrategyInstance[K, V]
Maps a
ResolutionStrategyto its corresponding implementation.Maps a
ResolutionStrategyto its corresponding implementation.- context
The current
DeltaContext.- config
The configuration of the transformation.
- referencePartitioner
Partitioner for reference DeltaSets constructed by this resolution strategy, if any. Can be ignored by the resolution strategy implementation where expensive repartitioning would be required to apply the partitioner.
- returns
A
ResolutionStrategyinstance.
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- ForwardResolution → ResolutionStrategy
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- def productElementNames: Iterator[String]
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- val references: DeltaSet[Key, Meta]
- val subjectToReferences: (K, V) => Set[Key]
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- Deprecated
(Since version 9)