package org.khelekore.prtree; import java.util.Comparator; class XMinComparator<T> implements Comparator<T> { private MBRConverter<T> converter; public XMinComparator (MBRConverter<T> converter) { this.converter = converter; } public int compare (T t1, T t2) { double d1 = converter.getMinX (t1); double d2 = converter.getMinX (t2); return Double.compare (d1, d2); } }