Package org.assertj.core.internal
Class TypeComparators
- java.lang.Object
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- org.assertj.core.internal.TypeComparators
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public class TypeComparators extends Object
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.- Author:
- Filip Hrisafov
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Field Summary
Fields Modifier and Type Field Description private static Comparator<Class<?>>
CLASS_COMPARATOR
private static DoubleComparator
DEFAULT_DOUBLE_COMPARATOR
private static FloatComparator
DEFAULT_FLOAT_COMPARATOR
private static double
DOUBLE_COMPARATOR_PRECISION
private static float
FLOAT_COMPARATOR_PRECISION
(package private) Map<Class<?>,Comparator<?>>
typeComparators
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Constructor Summary
Constructors Constructor Description TypeComparators()
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description void
clear()
Removes all registered comparators.Stream<Map.Entry<Class<?>,Comparator<?>>>
comparatorByTypes()
static TypeComparators
defaultTypeComparators()
boolean
equals(Object obj)
private static String
formatRegisteredComparator(Map.Entry<Class<?>,Comparator<?>> next)
Comparator<?>
get(Class<?> clazz)
This method returns the most relevant comparator for the given class.boolean
hasComparatorForType(Class<?> type)
int
hashCode()
boolean
isEmpty()
<T> void
put(Class<T> clazz, Comparator<? super T> comparator)
Puts thecomparator
for the givenclazz
.String
toString()
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Field Detail
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DOUBLE_COMPARATOR_PRECISION
private static final double DOUBLE_COMPARATOR_PRECISION
- See Also:
- Constant Field Values
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DEFAULT_DOUBLE_COMPARATOR
private static final DoubleComparator DEFAULT_DOUBLE_COMPARATOR
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FLOAT_COMPARATOR_PRECISION
private static final float FLOAT_COMPARATOR_PRECISION
- See Also:
- Constant Field Values
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DEFAULT_FLOAT_COMPARATOR
private static final FloatComparator DEFAULT_FLOAT_COMPARATOR
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CLASS_COMPARATOR
private static final Comparator<Class<?>> CLASS_COMPARATOR
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typeComparators
Map<Class<?>,Comparator<?>> typeComparators
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Method Detail
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defaultTypeComparators
public static TypeComparators defaultTypeComparators()
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get
public Comparator<?> get(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 givenclazz
. The order of checks is the following: 1. If there is a registered comparator forclazz
then this one is used 2. We check if there is a registered comparator for a superclass ofclazz
3. We check if there is a registered comparator for an interface ofclazz
- Parameters:
clazz
- the class for which to find a comparator- Returns:
- the most relevant comparator, or
null
if no comparator could be found
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hasComparatorForType
public boolean hasComparatorForType(Class<?> type)
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put
public <T> void put(Class<T> clazz, Comparator<? super T> comparator)
Puts thecomparator
for the givenclazz
.- Type Parameters:
T
- the type of the objects for the comparator- Parameters:
clazz
- the class for the comparatorcomparator
- the comparator it self
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isEmpty
public boolean isEmpty()
- Returns:
true
is there are registered comparators,false
otherwise
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clear
public void clear()
Removes all registered comparators.
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comparatorByTypes
public Stream<Map.Entry<Class<?>,Comparator<?>>> comparatorByTypes()
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formatRegisteredComparator
private static String formatRegisteredComparator(Map.Entry<Class<?>,Comparator<?>> next)
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