edu.hm.hafner.util

Class Ensure.IterableCondition

java.lang.Object

edu.hm.hafner.util.Ensure.ObjectCondition

edu.hm.hafner.util.Ensure.IterableCondition

Direct Known Subclasses:

Ensure.CollectionCondition

Enclosing class:

Ensure

public static class Ensure.IterableCondition
extends Ensure.ObjectCondition

Assertions for iterables.

Constructor Summary

Constructors

Constructor and Description
IterableCondition(Iterable<?> value) Creates a new instance of IterableCondition.

Method Summary

Modifier and Type	Method and Description
void	isNotEmpty() Ensures that the given iterable is not null and contains at least one element.
void	isNotEmpty(String explanation, Object... args) Ensures that the given iterable is not null and contains at least one element.

Methods inherited from class edu.hm.hafner.util.Ensure.ObjectCondition

isInstanceOf, isInstanceOf, isNotNull, isNotNull, isNull, isNull

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IterableCondition

public IterableCondition(@CheckForNull
                         Iterable<?> value)

Creates a new instance of IterableCondition.

Parameters:

value - value of the condition

Method Detail

isNotEmpty

public void isNotEmpty()

Ensures that the given iterable is not null and contains at least one element. Additionally, ensures that each element of the iterable is not null.

Throws:

AssertionError - if the iterable is empty (or null), or at least one iterable element is null.

isNotEmpty

@FormatMethod
public void isNotEmpty(String explanation,
                                     Object... args)

Ensures that the given iterable is not null and contains at least one element. Additionally, ensures that each element of the iterable is not null.

Parameters:

explanation - a formatted message explaining the assertion

args - Arguments referenced by the format specifiers in the formatted explanation. If there are more arguments than format specifiers, the extra arguments are ignored. The number of arguments is variable and may be zero.

Throws:

AssertionError - if the iterable is empty (or null), or at least one iterable element is null.