/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Created on Mar 6, 2012
*/
package com.bigdata.rdf.sail.webapp;
/**
* Helper class used to rank content types based on their quality scores.
*
* @param <E>
*/
public class ConnegScore<E> implements Comparable<ConnegScore<E>> {
/**
* The quality score.
*/
final public float q;
/**
* The type of format.
*/
final public E format;
public ConnegScore(final float q, final E format) {
if (format == null)
throw new IllegalArgumentException();
this.q = q;
this.format = format;
}
/**
* The higher the <code>q</code> score the better the match with the user
* agent's preference. A mime type without an explicit <code>q</code> score
* has an implicit score of <code>1</code>.
*
* @see <a href="http://trac.blazegraph.com/ticket/920" > Content negotiation
* orders accept header scores in reverse </a>
*/
@Override
public int compareTo(final ConnegScore<E> o) {
if (q < o.q)
return 1;
if (q > o.q)
return -1;
return 0;
}
@Override
public String toString() {
return getClass().getSimpleName() + "{q=" + q + ", format=" + format
+ "}";
}
@Override
public boolean equals(final Object o) {
if (this == o)
return true;
if (!(o instanceof ConnegScore))
return false;
final ConnegScore<?> t = (ConnegScore<?>) o;
if (this.format != t.format)
return false;
if (this.q != t.q)
return false;
return true;
}
}