PropertyExtractingDelegatingItemWriter (Spring Batch 4.1.4.RELEASE API)

java.lang.Object
- org.springframework.batch.item.adapter.AbstractMethodInvokingDelegator<T>
- - org.springframework.batch.item.adapter.PropertyExtractingDelegatingItemWriter<T>

All Implemented Interfaces:
ItemWriter<T>, org.springframework.beans.factory.InitializingBean
```
public class PropertyExtractingDelegatingItemWriter<T>
extends AbstractMethodInvokingDelegator<T>
implements ItemWriter<T>
```
Delegates processing to a custom method - extracts property values from item object and uses them as arguments for the delegate method.
Author:
Robert Kasanicky
See Also:
ItemWriterAdapter

Nested Class Summary
- Nested classes/interfaces inherited from class org.springframework.batch.item.adapter.AbstractMethodInvokingDelegator
  AbstractMethodInvokingDelegator.InvocationTargetThrowableWrapper

Constructor Summary
Constructors
Constructor Description
PropertyExtractingDelegatingItemWriter()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`afterPropertiesSet()`
`void`	`setFieldsUsedAsTargetMethodArguments(java.lang.String[] fieldsUsedAsMethodArguments)`
`void`	`write(java.util.List<? extends T> items)`	Extracts values from item's fields named in fieldsUsedAsTargetMethodArguments and passes them as arguments to the delegate method.

Methods inherited from class org.springframework.batch.item.adapter.AbstractMethodInvokingDelegator
getArguments, invokeDelegateMethod, invokeDelegateMethodWithArgument, invokeDelegateMethodWithArguments, setArguments, setTargetMethod, setTargetObject

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

- Constructor Detail
  - PropertyExtractingDelegatingItemWriter
```
public PropertyExtractingDelegatingItemWriter()
```
- Method Detail
  - write
```
public void write(java.util.List<? extends T> items)
           throws java.lang.Exception
```
    Extracts values from item's fields named in fieldsUsedAsTargetMethodArguments and passes them as arguments to the delegate method.
    Specified by:
    write in interface ItemWriter<T>
    Parameters:
    items - items to be written
    Throws:
    java.lang.Exception - if there are errors. The framework will catch the exception and convert or rethrow it as appropriate.
  - afterPropertiesSet
```
public void afterPropertiesSet()
                        throws java.lang.Exception
```
    Specified by:
    afterPropertiesSet in interface org.springframework.beans.factory.InitializingBean
    Overrides:
    afterPropertiesSet in class AbstractMethodInvokingDelegator<T>
    Throws:
    java.lang.Exception
  - setFieldsUsedAsTargetMethodArguments
```
public void setFieldsUsedAsTargetMethodArguments(java.lang.String[] fieldsUsedAsMethodArguments)
```
    Parameters:
    fieldsUsedAsMethodArguments - the values of the these item's fields will be used as arguments for the delegate method. Nested property values are supported, e.g. address.city