* Copyright 2003-2007 the original author or authors.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* 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.
* Class for calculating "distances" between classes. Such a distance
* is not a real distance to something but should be seen as the order
* classes and interfaces are choosen for method selection. The class
* will keep a weak cache and recalculate the distances on demand.
// int, double, byte, float, BigInteger, BigDecimal, long, short
// GString, char