de.flapdoodle.guava

Class Expectations

java.lang.Object

de.flapdoodle.guava.Expectations

public abstract class Expectations
extends Object

Method Summary

Methods

Modifier and Type	Method and Description
static <T> boolean	any(Collection<T> candidates, com.google.common.base.Predicate<T> condition) Deprecated.
static <T> com.google.common.base.Optional<T>	noneOrOne(Iterable<T> values) gives none if empty, one if one element, fails if more than one
static <T> com.google.common.base.Optional<T>	noneOrOne(Iterator<T> iterator) gives none if empty, one if one element, fails if more than one
static <T> com.google.common.base.Optional<T>	noneOrOneIfOnlyOne(Iterable<T> values) gives one, if only one value exist gives none on everything else
static <T> com.google.common.base.Optional<T>	noneOrOneIfOnlyOne(Iterator<T> iterator) gives one, if only one value exist gives none on everything else
static <T> T	oneIfOnlyOne(Iterable<T> values, T defaultValue) gives first value, if one value exist gives defaultValue if empty or more than one value exist,
static <T> T	oneIfOnlyOne(Iterator<T> iterator, T defaultValue) gives first value, if one value exist gives defaultValue if empty or more than one value exist,

Methods inherited from class java.lang.Object

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

Method Detail

noneOrOneIfOnlyOne

public static <T> com.google.common.base.Optional<T> noneOrOneIfOnlyOne(Iterator<T> iterator)

gives one, if only one value exist gives none on everything else

Parameters:

values -

Returns:

optional

noneOrOneIfOnlyOne

public static <T> com.google.common.base.Optional<T> noneOrOneIfOnlyOne(Iterable<T> values)

gives one, if only one value exist gives none on everything else

Parameters:

values -

Returns:

optional

oneIfOnlyOne

public static <T> T oneIfOnlyOne(Iterator<T> iterator,
                 T defaultValue)

gives first value, if one value exist gives defaultValue if empty or more than one value exist,

Parameters:

values -

Returns:

value

oneIfOnlyOne

public static <T> T oneIfOnlyOne(Iterable<T> values,
                 T defaultValue)

gives first value, if one value exist gives defaultValue if empty or more than one value exist,

Parameters:

values -

Returns:

value

noneOrOne

public static <T> com.google.common.base.Optional<T> noneOrOne(Iterator<T> iterator)

gives none if empty, one if one element, fails if more than one

Parameters:

values -

Returns:

optional

Throws:

IllegalArgumentException - if more than one value exist

noneOrOne

public static <T> com.google.common.base.Optional<T> noneOrOne(Iterable<T> values)

gives none if empty, one if one element, fails if more than one

Parameters:

values -

Returns:

optional

Throws:

IllegalArgumentException - if more than one value exist

any

@Deprecated
public static <T> boolean any(Collection<T> candidates,
                         com.google.common.base.Predicate<T> condition)

Deprecated.

See Also:

Iterables.any(Iterable, Predicate)