类 JsonItemReaderBuilder<T>

构造器详细资料

• JsonItemReaderBuilder

  public JsonItemReaderBuilder()

方法详细资料

• jsonObjectReader

  public JsonItemReaderBuilder<T> jsonObjectReader​(JsonObjectReader<T> jsonObjectReader)

  Set the JsonObjectReader to use to read and map Json objects to domain objects.

  参数:

  jsonObjectReader - to use

  返回:

  The current instance of the builder.

  另请参阅:

  JsonItemReader.setJsonObjectReader(JsonObjectReader)

• resource

  public JsonItemReaderBuilder<T> resource​(org.springframework.core.io.Resource resource)

  The Resource to be used as input.

  参数:

  resource - the input to the reader.

  返回:

  The current instance of the builder.

  另请参阅:

  JsonItemReader.setResource(Resource)

• name

  public JsonItemReaderBuilder<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)

• strict

  public JsonItemReaderBuilder<T> strict​(boolean strict)

  Setting this value to true indicates that it is an error if the input does not exist and an exception will be thrown. Defaults to true.

  参数:

  strict - indicates the input resource must exist

  返回:

  The current instance of the builder.

  另请参阅:

  JsonItemReader.setStrict(boolean)

• saveState

  public JsonItemReaderBuilder<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.

• maxItemCount

  public JsonItemReaderBuilder<T> maxItemCount​(int maxItemCount)

  Configure the max number of items to be read.

  参数:

  maxItemCount - the max items to be read

  返回:

  The current instance of the builder.

  另请参阅:

  AbstractItemCountingItemStreamItemReader.setMaxItemCount(int)

• currentItemCount

  public JsonItemReaderBuilder<T> currentItemCount​(int currentItemCount)

  Index for the current item. Used on restarts to indicate where to start from.

  参数:

  currentItemCount - current index

  返回:

  The current instance of the builder.

  另请参阅:

  AbstractItemCountingItemStreamItemReader.setCurrentItemCount(int)

• build

  public JsonItemReader<T> build()

  Validate the configuration and build a new JsonItemReader.

  返回:

  a new instance of the JsonItemReader