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/*
* Copyright 2000-2022 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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