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java.lang.Object org.apache.commons.functor.core.comparator.IsLessThanOrEqual<T>
public final class IsLessThanOrEqual<T>
A BinaryPredicate
that tests
true
iff the left argument is less than or equal to the
right argument under the specified Comparator
.
When no (or a null
Comparator
is specified,
a Comparable
Comparator
is used.
Field Summary | |
---|---|
static IsLessThanOrEqual<Comparable<?>> |
INSTANCE
Basic IsLessThanOrEqual instance. |
Constructor Summary | |
---|---|
IsLessThanOrEqual()
Construct a IsLessThanOrEqual predicate
for Comparable s. |
|
IsLessThanOrEqual(Comparator<? super T> comparator)
Construct a IsLessThanOrEqual predicate
for the given Comparator . |
Method Summary | ||
---|---|---|
boolean |
equals(IsLessThanOrEqual<?> that)
Learn whether another IsLessThanOrEqual is equal to this. |
|
boolean |
equals(Object that)
Indicates whether some other object is "equal to" this functor. |
|
int |
hashCode()
Returns a hash code for this functor adhering to the general Object.hashCode contract. |
|
static
|
instance()
Get a typed IsLessThanOrEqual instance. |
|
static
|
instance(T right)
Get an IsLessThanOrEqual UnaryPredicate. |
|
boolean |
test(T left,
T right)
Evaluate this predicate. |
|
String |
toString()
Returns a human readable description of this functor. |
Methods inherited from class java.lang.Object |
---|
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final IsLessThanOrEqual<Comparable<?>> INSTANCE
Constructor Detail |
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public IsLessThanOrEqual()
IsLessThanOrEqual
predicate
for Comparable
s.
public IsLessThanOrEqual(Comparator<? super T> comparator)
IsLessThanOrEqual
predicate
for the given Comparator
.
comparator
- the Comparator
, when null
,
a Comparator
for Comparable
s will
be used.Method Detail |
---|
public boolean test(T left, T right)
true
iff the left parameter is
less than or equal to the right parameter under my current
Comparator
.
test
in interface BinaryPredicate<T,T>
left
- the L element of the ordered pair of argumentsright
- the R element of the ordered pair of arguments
public boolean equals(Object that)
Object.equals
contract.
Additionally, this method can return
true only if the specified Object implements
the same functor interface and is known to produce the same
results and/or side-effects for the same arguments (if any).
While implementators are strongly encouraged to override
the default Object implementation of this method,
note that the default Object implementation
does in fact adhere to the functor equals
contract.
equals
in interface Functor
equals
in class Object
that
- the object to compare this functor to
true
iff the given object implements
this functor interface, and is known to produce the same
results and/or side-effects for the same arguments
(if any).Functor.hashCode()
public boolean equals(IsLessThanOrEqual<?> that)
that
- the IsLessThanOrEqual to test.
public int hashCode()
Object.hashCode
contract.
Implementators are strongly encouraged but not
strictly required to override the default Object
implementation of this method.
hashCode
in interface Functor
hashCode
in class Object
Functor.equals(java.lang.Object)
public String toString()
Object
implementation of this method.
toString
in interface Functor
toString
in class Object
public static <T extends Comparable<?>> IsLessThanOrEqual<T> instance()
T
-
public static <T extends Comparable<?>> UnaryPredicate<T> instance(T right)
right
- the right side object of the comparison.
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