ToStringOrElse (Speedment - Runtime - Compute 3.2.10 API)

Type Parameters:

T - the input entity type

All Superinterfaces:

Comparator<T>, Expression<T>, Function<T,String>, HasCase<T,ToString<T>>, HasCompare<T>, HasCompose<T>, HasHash<T>, HasMap<T,UnaryOperator<String>,ToString<T>>, NonNullableExpression<T,ToStringNullable<T>>, ToString<T>
```
public interface ToStringOrElse<T>
extends NonNullableExpression<T,ToStringNullable<T>>, ToString<T>
```
Specialized NonNullableExpression for String values where a default value is given if the original expression returns null.

Since:

3.1.0

Author:

Emil Forslund

Nested Class Summary
- Nested classes/interfaces inherited from interface com.speedment.runtime.compute.expression.NonNullableExpression
  NonNullableExpression.NullStrategy

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`String`	`defaultValue()`	Returns the default value used when `NonNullableExpression.innerNullable()` would have returned `null`.
`default NonNullableExpression.NullStrategy`	`nullStrategy()`	Returns the strategy used by this expression to deal with the case when `NonNullableExpression.innerNullable()` would have returned `null`.

Methods inherited from interface java.util.Comparator
equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Methods inherited from interface java.util.function.Function
andThen

Methods inherited from interface com.speedment.runtime.compute.expression.NonNullableExpression
innerNullable

Methods inherited from interface com.speedment.runtime.compute.ToString
apply, compare, compose, expressionType, hash, map, toLowerCase, toUpperCase

- Method Detail
  - defaultValue
```
String defaultValue()
```
    Returns the default value used when NonNullableExpression.innerNullable() would have returned null.
    
    Returns:
    
    the default value
  - nullStrategy
```
default NonNullableExpression.NullStrategy nullStrategy()
```
    Description copied from interface: NonNullableExpression
    
    Returns the strategy used by this expression to deal with the case when NonNullableExpression.innerNullable() would have returned null.
    
    Specified by:
    
    nullStrategy in interface NonNullableExpression<T,ToStringNullable<T>>
    
    Returns:
    
    the null-strategy used