public class NodeComparator extends Object implements Comparator
NodeComparator
is a Comparator
of Node instances
which is capable of comparing Nodes for equality based on their values.
Constructor and Description |
---|
NodeComparator() |
Modifier and Type | Method and Description |
---|---|
int |
compare(Attribute n1,
Attribute n2) |
int |
compare(CharacterData t1,
CharacterData t2) |
int |
compare(Document n1,
Document n2) |
int |
compare(DocumentType o1,
DocumentType o2) |
int |
compare(Element n1,
Element n2) |
int |
compare(Entity n1,
Entity n2) |
int |
compare(Namespace n1,
Namespace n2) |
int |
compare(Node n1,
Node n2) |
int |
compare(Object o1,
Object o2)
Compares its two arguments for order.
|
int |
compare(ProcessingInstruction n1,
ProcessingInstruction n2) |
int |
compare(QName n1,
QName n2) |
int |
compare(String o1,
String o2) |
int |
compareContent(Branch b1,
Branch b2) |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong
public NodeComparator()
public int compare(Object o1, Object o2)
The implementor must ensure that sgn(compare(x, y)) == -sgn(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 implementer must ensure that compare(x, y)==0 implies that sgn(compare(x, z))==sgn(compare(y, z)) for all z.
It is generally the case, but not strictly required that (compare(x, y)==0) == (x.equals(y)). Generally speaking, any comparator that violates this condition should clearly indicate this fact. The recommended language is "Note: this comparator imposes orderings that are inconsistent with equals."
compare
in interface Comparator
o1
- the first object to be compared.o2
- the second object to be compared.ClassCastException
- if the arguments' types prevent them from
being compared by this Comparator.public int compare(CharacterData t1, CharacterData t2)
public int compare(DocumentType o1, DocumentType o2)
public int compare(ProcessingInstruction n1, ProcessingInstruction n2)
public int compareContent(Branch b1, Branch b2)
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