| /******************************************************************************* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * 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 org.apache.ofbiz.base.lang; |
| |
| /** Factory interface. */ |
| public interface Factory<R, A> { |
| |
| /** Returns an instance of <code>R</code>. This is a basic factory interface |
| * that is meant to be extended. Sub-interfaces declare types for |
| * <code>A</code> (the <code>getInstance</code> argument), and |
| * <code>R</code> (the type returned by <code>getInstance</code>). |
| * |
| * @param obj Optional object to be used in <code>R</code>'s construction, |
| * or to be used as a selector key |
| * @return An instance of <code>R</code> |
| */ |
| public R getInstance(A obj); |
| |
| } |