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Interface representing an object that can be used to compare two XPath atomic values for equality or for ordering.
| Method Summary | |
int |
compare(java.lang.Object a,
java.lang.Object b)
Compare two AtomicValue objects according to the rules for their data type. |
boolean |
comparesEqual(AtomicValue a,
AtomicValue b)
Compare two AtomicValue objects for equality according to the rules for their data type. |
ComparisonKey |
getComparisonKey(AtomicValue a)
Get a comparison key for an object. |
| Methods inherited from interface java.util.Comparator |
equals |
| Method Detail |
public int compare(java.lang.Object a,
java.lang.Object b)
compare in interface java.util.Comparatora - the first object to be compared. It is intended that this should be an instance
of AtomicValue, though this restriction is not enforced. If it is a StringValue, the
collator is used to compare the values, otherwise the value must implement the java.util.Comparable
interface.b - the second object to be compared. This must be comparable with the first object: for
example, if one is a string, they must both be strings.
java.lang.ClassCastException - if the objects are not comparable
public boolean comparesEqual(AtomicValue a,
AtomicValue b)
a - the first object to be compared. It is intended that this should be an instance
of AtomicValue, though this restriction is not enforced. If it is a StringValue, the
collator is used to compare the values, otherwise the value must implement the equals() method.b - the second object to be compared. This must be comparable with the first object: for
example, if one is a string, they must both be strings.
java.lang.ClassCastException - if the objects are not comparablepublic ComparisonKey getComparisonKey(AtomicValue a)
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