blob: f5d68e8a71ffd238e36ecc2c1910f67a869bb21d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
|
/*
* Copyright 2000-2014 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();
}
}
|
