Package jakarta.batch.api.partition
Interface PartitionMapper
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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.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description PartitionPlan
mapPartitions()
The mapPartitions method that receives control at the start of partitioned step processing.
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Method Detail
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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.
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