public class NumericComparer extends java.lang.Object implements AtomicComparer
Modifier and Type | Field and Description |
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protected StringToDouble |
converter |
Modifier | Constructor and Description |
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protected |
NumericComparer() |
Modifier and Type | Method and Description |
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int |
compareAtomicValues(AtomicValue a,
AtomicValue b)
Compare two Items by converting them to numbers and comparing the numeric values.
|
boolean |
comparesEqual(AtomicValue a,
AtomicValue b)
Compare two AtomicValue objects for equality according to the rules for their data type.
|
StringCollator |
getCollator()
Get the collation used by this AtomicComparer if any
|
static NumericComparer |
getInstance() |
AtomicComparer |
provideContext(XPathContext context)
Supply the dynamic context in case this is needed for the comparison
|
java.lang.String |
save()
Create a string representation of this AtomicComparer that can be saved in a compiled
package and used to reconstitute the AtomicComparer when the package is reloaded
|
protected StringToDouble converter
public static NumericComparer getInstance()
public StringCollator getCollator()
AtomicComparer
getCollator
in interface AtomicComparer
public AtomicComparer provideContext(XPathContext context)
provideContext
in interface AtomicComparer
context
- the dynamic evaluation contextpublic int compareAtomicValues(AtomicValue a, AtomicValue b)
compareAtomicValues
in interface AtomicComparer
a
- the first Item to be compared.b
- the second Item to be compared.java.lang.ClassCastException
- if the objects are not Itemspublic boolean comparesEqual(AtomicValue a, AtomicValue b)
comparesEqual
in interface AtomicComparer
a
- the first object to be compared.b
- the second object to be compared.java.lang.ClassCastException
- if the objects are not comparablepublic java.lang.String save()
save
in interface AtomicComparer
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