package org.checkerframework.framework.util.defaults;
import java.util.Comparator;
import java.util.TreeSet;
import org.checkerframework.framework.util.PluginUtil;
/**
* An ordered set of Defaults (see {@link org.checkerframework.framework.util.defaults.Default}).
* This class provides a little syntactic sugar and a better toString over TreeSet.
*/
@SuppressWarnings("serial")
class DefaultSet extends TreeSet<Default> {
private static final Comparator<Default> comparator =
new Comparator<Default>() {
@Override
public int compare(Default d1, Default d2) {
return d1.compareTo(d2);
}
};
public DefaultSet() {
super(comparator);
}
@Override
public String toString() {
return "DefaultSet( " + PluginUtil.join(", ", this) + " )";
}
public static final DefaultSet EMPTY = new DefaultSet();
}