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package org.hsqldb.types;
import org.hsqldb.lib.ObjectComparator;
import org.hsqldb.SortAndSlice;
import org.hsqldb.Session;
/**
* Comparator with sort order and null order.
*
* @author Fred Toussi (fredt@users dot sourceforge.net)
* @version 2.5.0
* @since 2.4.0
*/
public class TypedComparator implements ObjectComparator {
final Session session;
Type type;
SortAndSlice sort;
public TypedComparator(Session session) {
this.session = session;
}
public int compare(Object a, Object b) {
if (sort == null) {
return type.compare(session, a, b);
} else {
return type.compare(session, a, b, sort);
}
}
public int hashCode(Object a) {
return type.hashCode(a);
}
public long longKey(Object a) {
return 0;
}
public void setType(Type type, SortAndSlice sort) {
this.type = type;
this.sort = sort;
}
}