Package org.springframework.batch.core.partition.support

Class MultiResourcePartitioner

java.lang.Object
org.springframework.batch.core.partition.support.MultiResourcePartitioner
All Implemented Interfaces:
Partitioner
public class MultiResourcePartitioner extends Object implements Partitioner
Implementation of Partitioner that locates multiple resources and associates their file names with execution context keys. Creates an ExecutionContext per resource, and labels them as {partition0, partition1, ..., partitionN}. The grid size is ignored.
Since:
2.0
Author:
Dave Syer

  • Constructor Details

    • MultiResourcePartitioner

      public MultiResourcePartitioner()

  • Method Details

    • setResources

      public void setResources(org.springframework.core.io.Resource[] resources)
      The resources to assign to each partition. In Spring configuration you can use a pattern to select multiple resources.
      Parameters:
      resources - the resources to use

    • setKeyName

      public void setKeyName(String keyName)
      The name of the key for the file name in each ExecutionContext. Defaults to "fileName".
      Parameters:
      keyName - the value of the key

    • partition

      public Map<String,ExecutionContext> partition(int gridSize)
      Assign the filename of each of the injected resources to an ExecutionContext.
      Specified by:
      partition in interface Partitioner
      Parameters:
      gridSize - the size of the map to return
      Returns:
      a map from identifier to input parameters
      See Also: