/*
* Copyright (c) 2013, the Dart project authors.
*
* Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.eclipse.org/legal/epl-v10.html
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.dart.engine.search;
/**
* Instances of the enum <code>MatchQuality</code> represent the quality of a match by representing
* the conditions under which a match is valid.
*
* @coverage dart.engine.search
*/
public enum MatchQuality {
/**
* The match is an exact match for whatever was being searched for.
*/
EXACT,
/**
* The match is an inexact match, unresolved reference to the element with the same name.
*/
NAME;
/**
* Return whichever of this quality or the given quality is "better", where "better" is loosely
* defined to be the quality closest to exact.
*
* @param quality the quality being compared to this quality
* @return the higher of the two given qualities
*/
public MatchQuality max(MatchQuality quality) {
//
// Note that the implementation of this method currently depends on the
// order of the declarations being equal to the sort order defined by this
// method, with the most exact quality being first.
//
if (ordinal() <= quality.ordinal()) {
return this;
} else {
return quality;
}
}
}