|
Oracle® Coherence Java API Reference Release 3.6.0.0 E15725-01 |
|||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
public interface QueryMapComparator
This interface is used by Comparator implementations that can use value extraction optimization exposed by the QueryMap.Entry
interface.
Method Summary | |
---|---|
int |
compareEntries(QueryMap.Entry entry1, QueryMap.Entry entry2) Compare two entries based on the rules specified by Comparator . |
Methods inherited from interface java.util.Comparator |
---|
compare, equals |
Method Detail |
---|
int compareEntries(QueryMap.Entry entry1, QueryMap.Entry entry2)
Comparator
. <p/> If possible, use the extract
method to optimize the value extraction process. <p/> This method is expected to be implemented by Comparator wrappers, such as ChainedComparator
and InverseComparator
, which simply pass on this invocation to the wrapped Comparator objects if they too implement this interface, or to invoke their default compare method passing the actual objects (not the extracted values) obtained from the extractor using the passed entries. <p/> This interface is also expected to be implemented by ValueExtractor implementations that implement the Comparator interface. It is expected that in most cases, the Comparator wrappers will eventually terminate at (i.e. delegate to) ValueExtractors that also implement this interface.entry1
- the first entry to compare values from; read-onlyentry2
- the second entry to compare values from; read-onlyClassCastException
- if the arguments' types prevent them from being compared by this Comparator.WrapperException
- if the extractor encounters an exception in the course of extracting the valueIllegalArgumentException
- if the extractor cannot handle the passed objects for any other reason; an implementor should include a descriptive message
|
Oracle® Coherence Java API Reference Release 3.6.0.0 E15725-01 |
|||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |