ContextualTransformation

All Superinterfaces:

DataOperatorAware, java.io.Serializable, Transformation

All Known Subinterfaces:

DirectElementWiseTransform

All Known Implementing Classes:

TransactionalOnlineAttributeWriter.TransactionValidator, TransactionCommitTransformation
```
@Evolving
public interface ContextualTransformation<OP extends DataOperator>
extends Transformation, DataOperatorAware
```

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`default boolean`	`isContextual()`	Verify if this is `DataOperator` specific (contextual) object.
`default void`	`onRestart()`	Called before starting processing after fresh start of processing or after recovery from error
`void`	`setup(Repository repo, OP op, java.util.Map<java.lang.String,java.lang.Object> cfg)`	Read the repository and setup descriptors of target entity and attributes.

Methods inherited from interface cz.o2.proxima.core.transform.DataOperatorAware
as, isDelegateOf

Methods inherited from interface cz.o2.proxima.core.transform.Transformation
asContextualTransform, asElementWiseTransform

- Method Detail
  - isContextual
```
default boolean isContextual()
```
    Description copied from interface: DataOperatorAware
    
    Verify if this is DataOperator specific (contextual) object.
    
    Specified by:
    
    isContextual in interface DataOperatorAware
    
    Returns:
    
    boolean
  - setup
```
void setup(Repository repo,
           OP op,
           java.util.Map<java.lang.String,java.lang.Object> cfg)
```
    Read the repository and setup descriptors of target entity and attributes.
    
    Parameters:
    
    repo - the repository
    
    op - DataOperator that delegated this Transformation
    
    cfg - transformation config map
  - onRestart
```
default void onRestart()
```
    Called before starting processing after fresh start of processing or after recovery from error