org.jberet.support.io

Class BeanIOItemReader

java.lang.Object

org.jberet.support.io.ItemReaderWriterBase

org.jberet.support.io.BeanIOItemReaderWriterBase

org.jberet.support.io.BeanIOItemReader

All Implemented Interfaces:

javax.batch.api.chunk.ItemReader

@Named
 @Dependent
public class BeanIOItemReader
extends BeanIOItemReaderWriterBase
implements javax.batch.api.chunk.ItemReader

An implementation of javax.batch.api.chunk.ItemReader based on BeanIO. This reader class handles all data formats that are supported by BeanIO, e.g., fixed length file, CSV file, XML, etc. It supports restart, ranged reading, custom error handler, and dynamic BeanIO mapping properties. BeanIOItemReader configurations are specified as reader properties in job xml, and BeanIO mapping xml file.

Since:

1.1.0

See Also:

BeanIOItemReaderWriterBase, BeanIOItemWriter

Field Summary

Fields

Modifier and Type	Field and Description
protected int	currentPosition
protected int	end A positive integer indicating the end position in the input resource.
protected Class	errorHandler A class implementing BeanReaderErrorHandler for handling exceptions thrown by a BeanReader.
protected String	locale The locale name for this BeanIOItemReader
protected int	start A positive integer indicating the start position in the input resource.

Fields inherited from class org.jberet.support.io.BeanIOItemReaderWriterBase

charset, jobContext, mappingProperties, streamFactoryLookup, streamMapping, streamName

Fields inherited from class org.jberet.support.io.ItemReaderWriterBase

NEW_LINE, resource, skipBeanValidation

Constructor Summary

Constructors

Constructor and Description
BeanIOItemReader()

Method Summary

Modifier and Type	Method and Description
Serializable	checkpointInfo()
void	close()
void	open(Serializable checkpoint)
Object	readItem()

Methods inherited from class org.jberet.support.io.ItemReaderWriterBase

getInputStream, getOutputStream, getValidator, validate

Methods inherited from class java.lang.Object

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

Field Detail

start

@Inject
protected int start

A positive integer indicating the start position in the input resource. It is optional and defaults to 1 (starting from the 1st data item).

end

@Inject
protected int end

A positive integer indicating the end position in the input resource. It is optional and defaults to Integer.MAX_VALUE.

errorHandler

@Inject
protected Class errorHandler

A class implementing BeanReaderErrorHandler for handling exceptions thrown by a BeanReader.

locale

@Inject
protected String locale

The locale name for this BeanIOItemReader

currentPosition

protected int currentPosition

Constructor Detail

BeanIOItemReader

public BeanIOItemReader()

Method Detail

open

public void open(Serializable checkpoint)
          throws Exception

Specified by:

open in interface javax.batch.api.chunk.ItemReader

Throws:

Exception

readItem

public Object readItem()
                throws Exception

Specified by:

readItem in interface javax.batch.api.chunk.ItemReader

Throws:

Exception

checkpointInfo

public Serializable checkpointInfo()
                            throws Exception

Specified by:

checkpointInfo in interface javax.batch.api.chunk.ItemReader

Throws:

Exception

close

public void close()
           throws Exception

Specified by:

close in interface javax.batch.api.chunk.ItemReader

Throws:

Exception