类 MultiResourceItemReaderBuilder<T>

构造器详细资料

• MultiResourceItemReaderBuilder

  public MultiResourceItemReaderBuilder()

方法详细资料

• saveState

  public MultiResourceItemReaderBuilder<T> saveState​(boolean saveState)

  Configure if the state of the ItemStreamSupport should be persisted within the ExecutionContext for restart purposes.

  参数:

  saveState - defaults to true

  返回:

  The current instance of the builder.

• name

  public MultiResourceItemReaderBuilder<T> name​(java.lang.String name)

  The name used to calculate the key within the ExecutionContext. Required if saveState(boolean) is set to true.

  参数:

  name - name of the reader instance

  返回:

  The current instance of the builder.

  另请参阅:

  ItemStreamSupport.setName(String)

• resources

  public MultiResourceItemReaderBuilder<T> resources​(org.springframework.core.io.Resource[] resources)

  The array of resources that the MultiResourceItemReader will use to retrieve items.

  参数:

  resources - the array of resources to use.

  返回:

  this instance for method chaining.

  另请参阅:

  MultiResourceItemReader.setResources(Resource[])

• delegate

  public MultiResourceItemReaderBuilder<T> delegate​(ResourceAwareItemReaderItemStream<? extends T> delegate)

  Establishes the delegate to use for reading the resources provided.

  参数:

  delegate - reads items from single Resource.

  返回:

  this instance for method chaining.

  另请参阅:

  MultiResourceItemReader.setDelegate(ResourceAwareItemReaderItemStream)

• setStrict

  public MultiResourceItemReaderBuilder<T> setStrict​(boolean strict)

  In strict mode the reader will throw an exception on MultiResourceItemReader.open(org.springframework.batch.item.ExecutionContext) if there are no resources to read.

  参数:

  strict - false by default.

  返回:

  this instance for method chaining.

  另请参阅:

  MultiResourceItemReader.setStrict(boolean)

• comparator

  public MultiResourceItemReaderBuilder<T> comparator​(java.util.Comparator<org.springframework.core.io.Resource> comparator)

  Used to order the injected resources, by default compares Resource.getFilename() values.

  参数:

  comparator - the comparator to use for ordering resources.

  返回:

  this instance for method chaining.

  另请参阅:

  MultiResourceItemReader.setComparator(Comparator)

• build

  public MultiResourceItemReader<T> build()

  Builds the MultiResourceItemReader.

  返回:

  a MultiResourceItemReader