GenerateElementsHandler (uk.gov.gchq.gaffer:gaffer2 2.2.0 API)

java.lang.Object
- uk.gov.gchq.gaffer.store.operation.handler.generate.GenerateElementsHandler<OBJ>

Type Parameters:

OBJ - the type of input objects from the operation.

All Implemented Interfaces:

OperationHandler<GenerateElements<OBJ>>, OutputOperationHandler<GenerateElements<OBJ>,Iterable<? extends Element>>
```
public class GenerateElementsHandler<OBJ>
extends Object
implements OutputOperationHandler<GenerateElements<OBJ>,Iterable<? extends Element>>
```
An GenerateElementsHandler handles GenerateElements operations. It uses the ElementGenerator from the operation to generate Elements from the operation input objects.

Constructor Summary

Constructors
Constructor Description

GenerateElementsHandler()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Iterable<? extends Element>`	`doOperation(GenerateElements<OBJ> operation, Context context, Store store)`	Execute the given `Output` operation.

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

- Constructor Detail
  - GenerateElementsHandler
```
public GenerateElementsHandler()
```
- Method Detail
  - doOperation
```
public Iterable<? extends Element> doOperation(GenerateElements<OBJ> operation,
                                               Context context,
                                               Store store)
                                        throws OperationException
```
    Description copied from interface: OutputOperationHandler
    
    Execute the given Output operation.
    
    Specified by:
    
    doOperation in interface OperationHandler<OBJ>
    
    Specified by:
    
    doOperation in interface OutputOperationHandler<GenerateElements<OBJ>,Iterable<? extends Element>>
    
    Parameters:
    
    operation - the Output operation to be executed
    
    context - the operation chain context, containing the user who executed the operation
    
    store - the Store the operation should be run on
    
    Returns:
    
    the output for the operation.
    
    Throws:
    
    OperationException - thrown if the operation fails