Package org.assertj.core.internal

Class TypeComparators

java.lang.Object

org.assertj.core.internal.TypeHolder<Comparator<?>>

org.assertj.core.internal.TypeComparators

public class TypeComparators
extends TypeHolder<Comparator<?>>

An internal holder of the comparators for type. It is used to store comparators for registered classes. When looking for a Comparator for a given class the holder returns the most relevant comparator.

Field Summary

Fields

Modifier and Type	Field	Description
private static final DoubleComparator	DEFAULT_DOUBLE_COMPARATOR
private static final FloatComparator	DEFAULT_FLOAT_COMPARATOR
private static final Comparator<Path>	DEFAULT_PATH_COMPARATOR
private static final double	DOUBLE_COMPARATOR_PRECISION
private static final float	FLOAT_COMPARATOR_PRECISION

Fields inherited from class org.assertj.core.internal.TypeHolder

typeHolder

Constructor Summary

Constructors

Constructor	Description
TypeComparators()

Method Summary

Modifier and Type	Method	Description
Stream<Map.Entry<Class<?>,Comparator<?>>>	comparatorByTypes()	Returns a sequence of all type-comparator pairs which the current holder supplies.
static TypeComparators	defaultTypeComparators()
Comparator<?>	getComparatorForType(Class<?> clazz)	This method returns the most relevant comparator for the given class.
boolean	hasComparatorForType(Class<?> type)	Checks, whether an any custom comparator is associated with the giving type.
<T> void	registerComparator(Class<T> clazz, Comparator<? super T> comparator)	Puts the comparator for the given clazz.

Methods inherited from class org.assertj.core.internal.TypeHolder

clear, entityByTypes, equals, get, hasEntity, hashCode, isEmpty, put, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

DOUBLE_COMPARATOR_PRECISION

private static final double DOUBLE_COMPARATOR_PRECISION

See Also:

• Constant Field Values

DEFAULT_DOUBLE_COMPARATOR

private static final DoubleComparator DEFAULT_DOUBLE_COMPARATOR

FLOAT_COMPARATOR_PRECISION

private static final float FLOAT_COMPARATOR_PRECISION

See Also:

• Constant Field Values

DEFAULT_FLOAT_COMPARATOR

private static final FloatComparator DEFAULT_FLOAT_COMPARATOR

DEFAULT_PATH_COMPARATOR

private static final Comparator<Path> DEFAULT_PATH_COMPARATOR

Constructor Details

TypeComparators

public TypeComparators()

Method Details

defaultTypeComparators

public static TypeComparators defaultTypeComparators()

getComparatorForType

public Comparator<?> getComparatorForType(Class<?> clazz)

This method returns the most relevant comparator for the given class. The most relevant comparator is the comparator which is registered for the class that is closest in the inheritance chain of the given clazz. The order of checks is the following: 1. If there is a registered comparator for clazz then this one is used 2. We check if there is a registered comparator for a superclass of clazz 3. We check if there is a registered comparator for an interface of clazz

Parameters:

clazz - the class for which to find a comparator

Returns:

the most relevant comparator, or null if no comparator could be found

hasComparatorForType

public boolean hasComparatorForType(Class<?> type)

Checks, whether an any custom comparator is associated with the giving type.

Parameters:

type - the type for which to check a comparator

Returns:

is the giving type associated with any custom comparator

registerComparator

public <T> void registerComparator(Class<T> clazz,
 Comparator<? super T> comparator)

Puts the comparator for the given clazz.

Type Parameters:

T - the type of the objects for the comparator

Parameters:

clazz - the class for the comparator

comparator - the comparator itself

comparatorByTypes

public Stream<Map.Entry<Class<?>,Comparator<?>>> comparatorByTypes()

Returns a sequence of all type-comparator pairs which the current holder supplies.

Returns:

sequence of field-comparator pairs