PartitionAnalyzer receives control to process data and final results from each partition.
PartitionCollector provides a way to pass data from individual partitions to a single point of control running on the step's parent thread.
PartitionMapper receives control at the start of a partitioned execution.
PartitionReducer provides unit of work demarcation across partitions.
The AbstractPartitionAnalyzer provides default implementations of less commonly implemented methods.
The AbstractBatchlet provides default implementations of less commonly implemented methods.
The PartitionPlanImpl class provides a basic implementation of the PartitionPlan interface.
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