AbstractItemWriter

java.lang.Object
- jakarta.batch.api.chunk.AbstractItemWriter

All Implemented Interfaces:

ItemWriter
```
public abstract class AbstractItemWriter
extends java.lang.Object
implements ItemWriter
```
The AbstractItemWriter provides default implementations of not commonly implemented methods.

Constructor Summary

Constructors
Constructor and Description

AbstractItemWriter()

Constructors
Constructor and Description
`AbstractItemWriter()`

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method and Description
`java.io.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(java.io.Serializable checkpoint)` Override this method if the ItemWriter requires any open time processing.
`abstract void`	`writeItems(java.util.List<java.lang.Object> items)` Implement write logic for the ItemWriter in this method.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - AbstractItemWriter
```
public AbstractItemWriter()
```
- Method Detail
  - open
```
public void open(java.io.Serializable checkpoint)
          throws java.lang.Exception
```
    Override this method if the ItemWriter requires any open time processing. The default implementation does nothing.
    
    Specified by:
    
    open in interface ItemWriter
    
    Parameters:
    
    checkpoint - last checkpoint for this ItemReader
    
    Throws:
    
    java.lang.Exception - (or subclass) if an error occurs.
  - close
```
public void close()
           throws java.lang.Exception
```
    Override this method if the ItemWriter requires any close time processing. The default implementation does nothing.
    
    Specified by:
    
    close in interface ItemWriter
    
    Throws:
    
    java.lang.Exception - (or subclass) if an error occurs.
  - writeItems
```
public abstract void writeItems(java.util.List<java.lang.Object> items)
                         throws java.lang.Exception
```
    Implement write logic for the ItemWriter in this method.
    
    Specified by:
    
    writeItems in interface ItemWriter
    
    Parameters:
    
    items - specifies the list of items to write.
    
    Throws:
    
    java.lang.Exception - (or subclass) if an error occurs.
  - checkpointInfo
```
public java.io.Serializable checkpointInfo()
                                    throws java.lang.Exception
```
    Override this method if the ItemWriter supports checkpoints. The default implementation returns null.
    
    Specified by:
    
    checkpointInfo in interface ItemWriter
    
    Returns:
    
    checkpoint data
    
    Throws:
    
    java.lang.Exception - (or subclass) if an error occurs.

Class AbstractItemWriter

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

AbstractItemWriter

Method Detail

open

close

writeItems

checkpointInfo