AbstractDefaultValueUpdateProcessorFactory (Solr 9.0.0 core API)

java.lang.Object
- org.apache.solr.update.processor.UpdateRequestProcessorFactory
- - org.apache.solr.update.processor.AbstractDefaultValueUpdateProcessorFactory

All Implemented Interfaces:

NamedListInitializedPlugin

Direct Known Subclasses:

DefaultValueUpdateProcessorFactory, TimestampUpdateProcessorFactory
```
public abstract class AbstractDefaultValueUpdateProcessorFactory
extends UpdateRequestProcessorFactory
```
Base class that can be extended by any UpdateRequestProcessorFactory designed to add a default value to the document in an AddUpdateCommand when that field is not already specified.
This base class handles initialization of the fieldName init param, and provides an AbstractDefaultValueUpdateProcessorFactory.DefaultValueUpdateProcessor that Factory subclasses may choose to return from their getInstance implementation.

Since:

4.0.0

- Nested Class Summary
  - Nested classes/interfaces inherited from class org.apache.solr.update.processor.UpdateRequestProcessorFactory
    UpdateRequestProcessorFactory.RunAlways
- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  protected String fieldName
- Constructor Summary
  
  Constructors
  Constructor Description
  
  AbstractDefaultValueUpdateProcessorFactory()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  void init(NamedList<?> args)
  init will be called just once, immediately after creation.
  - Methods inherited from class org.apache.solr.update.processor.UpdateRequestProcessorFactory
    getInstance
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - fieldName
```
protected String fieldName
```
- Constructor Detail
  - AbstractDefaultValueUpdateProcessorFactory
```
public AbstractDefaultValueUpdateProcessorFactory()
```
- Method Detail
  - init
```
public void init(NamedList<?> args)
```
    Description copied from interface: NamedListInitializedPlugin
    
    init will be called just once, immediately after creation.
    Source of the initialization arguments will typically be solrconfig.xml, but will ultimately depends on the plugin itself
    
    Parameters:
    
    args - non-null list of initialization parameters (may be empty)