org.springframework.batch.item.support

## Class ListItemReader<T>

- java.lang.Object
- - org.springframework.batch.item.support.ListItemReader<T>

- All Implemented Interfaces:
    ItemReader<T>

      public class ListItemReader<T>
      extends java.lang.Object
      implements ItemReader<T>

  An `ItemReader` that pulls data from a list. Useful for testing.
  Author:
    Dave Syer

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `ListItemReader(java.util.List<T> list)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `T` | `read()` Reads a piece of input data and advance to the next one.

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### ListItemReader

          public ListItemReader(java.util.List<T> list)

  - ### Method Detail

    - #### read

          @Nullable
          public T read()

      Description copied from interface: `ItemReader`
      Reads a piece of input data and advance to the next one. Implementations must return `null` at the end of the input data set. In a transactional setting, caller might get the same item twice from successive calls (or otherwise), if the first call was in a transaction that rolled back.
      Specified by:
        `read` in interface `ItemReader<T>`
      Returns:
        T the item to be processed or `null` if the data source is exhausted