OptionalComputedExecutionStep

All Implemented Interfaces:

cz.encircled.joiner.reactive.ExecutionStep
```
public final class OptionalComputedExecutionStep<T extends Object>
extends ComputedExecutionStep<T>
                    
```
Execution step which returns pre-computed value with optional singular result (e.g. FindOneOptional query)

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description

Field Summary

Fields
Modifier and Type	Field	Description

Constructor Summary

Constructors
Constructor	Description
`OptionalComputedExecutionStep(T value)`

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`Object`	`convertResult(List<Object> arg)`	Convert step result if needed (e.g.

Methods inherited from class cz.encircled.joiner.reactive.OptionalComputedExecutionStep
perform
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - OptionalComputedExecutionStep
```
OptionalComputedExecutionStep(T value)
```
- Method Detail
  - convertResult
```
 Object convertResult(List<Object> arg)
```
    Convert step result if needed (e.g. wrap as Optional in case of nullable steps, or extract a singular value in case of findOne)
    
    Parameters:
    
    arg - initial step result, always passed as a List, even in case of functions like findOne