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org.hibernate.internal.util.compare

public Class ComparableComparator<T extends java.lang.Comparable<T>>

extends Object
implements Comparator<T extends Comparable<T>>, Serializable
Class Inheritance
All Implemented Interfaces
java.io.Serializable, java.util.Comparator
Imports
java.io.Serializable, java.util.Comparator
Delegates to Comparable
Authors
Gavin King, Steve Ebersole

Field Summary

Modifier and TypeField and Description
public static final Comparator<T>
INSTANCE

Constructor Summary

AccessConstructor and Description
public
ComparableComparator()

Method Summary

Modifier and TypeMethod and Description
public int
compare(Comparable<T>
the first object to be compared.
one, Comparable<T>
the second object to be compared.
another)

Implements java.util.Comparator.compare.

Compares its two arguments for order.
public static <T extends Comparable<T>> Comparator<T>
instance()

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

INSTANCEback to summary
public static final Comparator<T> INSTANCE

Constructor Detail

ComparableComparatorback to summary
public ComparableComparator()

Method Detail

compareback to summary
public int compare(Comparable<T> one, Comparable<T> another)

Implements java.util.Comparator.compare.

Doc from java.util.Comparator.compare.

Compares its two arguments for order. Returns a negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater than the second.

The implementor must ensure that signum(compare(x, y)) == -signum(compare(y, x)) for all x and y. (This implies that compare(x, y) must throw an exception if and only if compare(y, x) throws an exception.)

The implementor must also ensure that the relation is transitive: ((compare(x, y)>0) && (compare(y, z)>0)) implies compare(x, z)>0.

Finally, the implementor must ensure that compare(x, y)==0 implies that signum(compare(x, z))==signum(compare(y, z)) for all z.

Parameters
one:Comparable<T>

the first object to be compared.

another:Comparable<T>

the second object to be compared.

Returns:int

a negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater than the second.

Annotations
@SuppressWarnings:unchecked
instanceback to summary
public static <T extends Comparable<T>> Comparator<T> instance()
Annotations
@SuppressWarnings:unchecked