Processor (Nitrite 4.2.0 API)

```
public interface Processor
```
An interface that provides methods to process a document before writing it into database or after reading from the database.

Since:

4.0

Author:

Anindya Chatterjee

Method Summary

All Methods Instance Methods Default Methods
Modifier and Type	Method	Description
`default void`	`process(PersistentCollection<?> collection)`	Processes documents in a persistent collection, updates them,and saves the changes back to the collection.
`default Document`	`processAfterRead(Document document)`	Processes a document after reading from the database.
`default Document`	`processBeforeWrite(Document document)`	Processes a document before writing it into database.

- Method Detail
  - processBeforeWrite
```
default Document processBeforeWrite(Document document)
```
    Processes a document before writing it into database.
    
    Parameters:
    
    document - the document
    
    Returns:
    
    the document
  - processAfterRead
```
default Document processAfterRead(Document document)
```
    Processes a document after reading from the database.
    
    Parameters:
    
    document - the document
    
    Returns:
    
    the document
  - process
```
default void process(PersistentCollection<?> collection)
```
    Processes documents in a persistent collection, updates them,and saves the changes back to the collection.
    
    Parameters:
    
    collection - the collection to process. It can either be a NitriteCollection or an ObjectRepository.