Package jakarta.batch.api.partition

Interface PartitionMapper

public interface PartitionMapper
PartitionMapper receives control at the start of a partitioned execution. A PartitionMapper is responsible to provide unique batch properties for each partition.

  • Method Summary

    Modifier and Type
    Method
    Description
    PartitionPlan
    mapPartitions()
    The mapPartitions method that receives control at the start of partitioned step processing.

  • Method Details

    • mapPartitions

      PartitionPlan mapPartitions() throws Exception
      The mapPartitions method that receives control at the start of partitioned step processing. The method returns a PartitionPlan, which specifies the batch properties for each partition.
      Returns:
      partition plan for a partitioned step.
      Throws:
      Exception - is thrown if an error occurs.