com.speedment.runtime.compute.expression.orelse

Interface ToStringOrElse<T>

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

Modifier and Type	Method and 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 com.speedment.runtime.compute.expression.NonNullableExpression

innerNullable

Methods inherited from interface com.speedment.runtime.compute.ToString

apply, compare, compose, expressionType, hash, map, of, toLowerCase, toUpperCase

Methods inherited from interface java.util.function.Function

andThen, identity

Methods inherited from interface java.util.Comparator

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

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