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- /*
- * Copyright 2000-2016 Vaadin Ltd.
- *
- * 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.vaadin.ui;
-
- import java.io.Serializable;
-
- /**
- * A base class for generating an unique object that is serializable.
- * <p>
- * This class is abstract but has no abstract methods to force users to create
- * an anonymous inner class. Otherwise each instance will not be unique.
- *
- * @author Vaadin Ltd
- * @since 6.8.0
- *
- */
- public abstract class UniqueSerializable implements Serializable {
-
- @Override
- public int hashCode() {
- return getClass().hashCode();
- }
-
- @Override
- public boolean equals(Object obj) {
- return getClass() == obj.getClass();
- }
- }
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