/*
* Copyright 2008-2016 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
*
* 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 com.nominanuda.zen.stereotype;
import javax.annotation.concurrent.Immutable;
public interface Copyable {
/**
* @return the copy such as that a.equals(b); if the object is {@link Immutable}
* than {@link #copy()} can return itself so that a == b
*/
Object copy();
/**
* cast friendly version
* @return same as {@link Copyable#copy()}
* @throws ClassCastException
*/
@SuppressWarnings("unchecked")
default <T> T copyCast() throws ClassCastException {
return (T)copy();
}
}