Package jakarta.batch.api.chunk
Class AbstractItemWriter
- java.lang.Object
-
- jakarta.batch.api.chunk.AbstractItemWriter
-
- All Implemented Interfaces:
ItemWriter
public abstract class AbstractItemWriter extends Object implements ItemWriter
The AbstractItemWriter provides default implementations of not commonly implemented methods.
-
-
Constructor Summary
Constructors Constructor Description AbstractItemWriter()
-
Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description Serializable
checkpointInfo()
Override this method if the ItemWriter supports checkpoints.void
close()
Override this method if the ItemWriter requires any close time processing.void
open(Serializable checkpoint)
Override this method if the ItemWriter requires any open time processing.abstract void
writeItems(List<Object> items)
Implement write logic for the ItemWriter in this method.
-
-
-
Method Detail
-
open
public void open(Serializable checkpoint) throws Exception
Override this method if the ItemWriter requires any open time processing. The default implementation does nothing.- Specified by:
open
in interfaceItemWriter
- Parameters:
checkpoint
- last checkpoint for this ItemReader- Throws:
Exception
- (or subclass) if an error occurs.
-
close
public void close() throws Exception
Override this method if the ItemWriter requires any close time processing. The default implementation does nothing.- Specified by:
close
in interfaceItemWriter
- Throws:
Exception
- (or subclass) if an error occurs.
-
writeItems
public abstract void writeItems(List<Object> items) throws Exception
Implement write logic for the ItemWriter in this method.- Specified by:
writeItems
in interfaceItemWriter
- Parameters:
items
- specifies the list of items to write.- Throws:
Exception
- (or subclass) if an error occurs.
-
checkpointInfo
public Serializable checkpointInfo() throws Exception
Override this method if the ItemWriter supports checkpoints. The default implementation returns null.- Specified by:
checkpointInfo
in interfaceItemWriter
- Returns:
- checkpoint data
- Throws:
Exception
- (or subclass) if an error occurs.
-
-