final class NaturalOrdering extends Ordering<java.lang.Comparable<?>> implements java.io.Serializable
Ordering.ArbitraryOrdering, Ordering.IncomparableValueException
Modifier and Type | Field and Description |
---|---|
(package private) static NaturalOrdering |
INSTANCE |
private Ordering<java.lang.Comparable<?>> |
nullsFirst |
private Ordering<java.lang.Comparable<?>> |
nullsLast |
private static long |
serialVersionUID |
LEFT_IS_GREATER, RIGHT_IS_GREATER
Modifier | Constructor and Description |
---|---|
private |
NaturalOrdering() |
Modifier and Type | Method and Description |
---|---|
int |
compare(java.lang.Comparable<?> left,
java.lang.Comparable<?> right) |
<S extends java.lang.Comparable<?>> |
nullsFirst()
Returns an ordering that treats
null as less than all other values and uses this to compare non-null values. |
<S extends java.lang.Comparable<?>> |
nullsLast()
Returns an ordering that treats
null as greater than all other values and uses this
ordering to compare non-null values. |
private java.lang.Object |
readResolve() |
<S extends java.lang.Comparable<?>> |
reverse()
Returns the reverse of this ordering; the
Ordering equivalent to Collections.reverseOrder(Comparator) . |
java.lang.String |
toString() |
allEqual, arbitrary, binarySearch, compound, compound, explicit, explicit, from, from, greatestOf, greatestOf, immutableSortedCopy, isOrdered, isStrictlyOrdered, leastOf, leastOf, lexicographical, max, max, max, max, min, min, min, min, natural, onKeys, onResultOf, sortedCopy, usingToString
static final NaturalOrdering INSTANCE
@CheckForNull private transient Ordering<java.lang.Comparable<?>> nullsFirst
@CheckForNull private transient Ordering<java.lang.Comparable<?>> nullsLast
private static final long serialVersionUID
public int compare(java.lang.Comparable<?> left, java.lang.Comparable<?> right)
public <S extends java.lang.Comparable<?>> Ordering<S> nullsFirst()
Ordering
null
as less than all other values and uses this
to compare non-null values.
Java 8 users: Use Comparator.nullsFirst(thisComparator)
instead.
nullsFirst
in class Ordering<java.lang.Comparable<?>>
public <S extends java.lang.Comparable<?>> Ordering<S> nullsLast()
Ordering
null
as greater than all other values and uses this
ordering to compare non-null values.
Java 8 users: Use Comparator.nullsLast(thisComparator)
instead.
public <S extends java.lang.Comparable<?>> Ordering<S> reverse()
Ordering
Ordering
equivalent to Collections.reverseOrder(Comparator)
.
Java 8 users: Use thisComparator.reversed()
instead.
private java.lang.Object readResolve()
public java.lang.String toString()
toString
in class java.lang.Object