类 JsonFileItemWriterBuilder<T>

构造器详细资料

• JsonFileItemWriterBuilder

  public JsonFileItemWriterBuilder()

方法详细资料

• saveState

  public JsonFileItemWriterBuilder<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 JsonFileItemWriterBuilder<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)

• forceSync

  public JsonFileItemWriterBuilder<T> forceSync​(boolean forceSync)

  A flag indicating that changes should be force-synced to disk on flush. Defaults to false.

  参数:

  forceSync - value to set the flag to

  返回:

  The current instance of the builder.

  另请参阅:

  AbstractFileItemWriter.setForceSync(boolean)

• lineSeparator

  public JsonFileItemWriterBuilder<T> lineSeparator​(java.lang.String lineSeparator)

  String used to separate lines in output. Defaults to the System property line.separator.

  参数:

  lineSeparator - value to use for a line separator

  返回:

  The current instance of the builder.

  另请参阅:

  AbstractFileItemWriter.setLineSeparator(String)

• jsonObjectMarshaller

  public JsonFileItemWriterBuilder<T> jsonObjectMarshaller​(JsonObjectMarshaller<T> jsonObjectMarshaller)

  Set the JsonObjectMarshaller to use to marshal objects to json.

  参数:

  jsonObjectMarshaller - to use

  返回:

  The current instance of the builder.

  另请参阅:

  JsonFileItemWriter.setJsonObjectMarshaller(JsonObjectMarshaller)

• resource

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

  The Resource to be used as output.

  参数:

  resource - the output of the writer.

  返回:

  The current instance of the builder.

  另请参阅:

  AbstractFileItemWriter.setResource(Resource)

• encoding

  public JsonFileItemWriterBuilder<T> encoding​(java.lang.String encoding)

  Encoding used for output.

  参数:

  encoding - encoding type.

  返回:

  The current instance of the builder.

  另请参阅:

  AbstractFileItemWriter.setEncoding(String)

• shouldDeleteIfEmpty

  public JsonFileItemWriterBuilder<T> shouldDeleteIfEmpty​(boolean shouldDelete)

  If set to true, once the step is complete, if the resource previously provided is empty, it will be deleted.

  参数:

  shouldDelete - defaults to false

  返回:

  The current instance of the builder

  另请参阅:

  AbstractFileItemWriter.setShouldDeleteIfEmpty(boolean)

• shouldDeleteIfExists

  public JsonFileItemWriterBuilder<T> shouldDeleteIfExists​(boolean shouldDelete)

  If set to true, upon the start of the step, if the resource already exists, it will be deleted and recreated.

  参数:

  shouldDelete - defaults to true

  返回:

  The current instance of the builder

  另请参阅:

  AbstractFileItemWriter.setShouldDeleteIfExists(boolean)

• append

  public JsonFileItemWriterBuilder<T> append​(boolean append)

  If set to true and the file exists, the output will be appended to the existing file.

  参数:

  append - defaults to false

  返回:

  The current instance of the builder

  另请参阅:

  AbstractFileItemWriter.setAppendAllowed(boolean)

• headerCallback

  public JsonFileItemWriterBuilder<T> headerCallback​(FlatFileHeaderCallback callback)

  A callback for header processing.

  参数:

  callback - FlatFileHeaderCallback implementation

  返回:

  The current instance of the builder

  另请参阅:

  AbstractFileItemWriter.setHeaderCallback(FlatFileHeaderCallback)

• footerCallback

  public JsonFileItemWriterBuilder<T> footerCallback​(FlatFileFooterCallback callback)

  A callback for footer processing.

  参数:

  callback - FlatFileFooterCallback implementation

  返回:

  The current instance of the builder

  另请参阅:

  AbstractFileItemWriter.setFooterCallback(FlatFileFooterCallback)

• transactional

  public JsonFileItemWriterBuilder<T> transactional​(boolean transactional)

  If set to true, the flushing of the buffer is delayed while a transaction is active.

  参数:

  transactional - defaults to true

  返回:

  The current instance of the builder

  另请参阅:

  AbstractFileItemWriter.setTransactional(boolean)

• build

  public JsonFileItemWriter<T> build()

  Validate the configuration and build a new JsonFileItemWriter.

  返回:

  a new instance of the JsonFileItemWriter