01 /*
02 * Java Genetic Algorithm Library (jenetics-5.2.0).
03 * Copyright (c) 2007-2020 Franz Wilhelmstötter
04 *
05 * Licensed under the Apache License, Version 2.0 (the "License");
06 * you may not use this file except in compliance with the License.
07 * You may obtain a copy of the License at
08 *
09 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 * Author:
18 * Franz Wilhelmstötter (franz.wilhelmstoetter@gmail.com)
19 */
20 package io.jenetics.ext.moea;
21
22 import java.io.Externalizable;
23 import java.io.IOException;
24 import java.io.ObjectInput;
25 import java.io.ObjectOutput;
26 import java.io.StreamCorruptedException;
27
28 /**
29 * @author <a href="mailto:franz.wilhelmstoetter@gmail.com">Franz Wilhelmstötter</a>
30 * @version 5.2
31 * @since 5.2
32 */
33 final class Serial implements Externalizable {
34
35 private static final long serialVersionUID = 1;
36
37 static final byte SIMPLE_INT_VEC = 1;
38 static final byte SIMPLE_LONG_VEC = 2;
39 static final byte SIMPLE_DOUBLE_VEC = 3;
40
41 /**
42 * The type being serialized.
43 */
44 private byte _type;
45
46 /**
47 * The object being serialized.
48 */
49 private Object _object;
50
51 /**
52 * Constructor for deserialization.
53 */
54 public Serial() {
55 }
56
57 /**
58 * Creates an instance for serialization.
59 *
60 * @param type the type
61 * @param object the object
62 */
63 Serial(final byte type, final Object object) {
64 _type = type;
65 _object = object;
66 }
67
68 @Override
69 public void writeExternal(final ObjectOutput out) throws IOException {
70 out.writeByte(_type);
71 switch (_type) {
72 case SIMPLE_INT_VEC: ((SimpleIntVec)_object).write(out); break;
73 case SIMPLE_LONG_VEC: ((SimpleLongVec)_object).write(out); break;
74 case SIMPLE_DOUBLE_VEC: ((SimpleDoubleVec)_object).write(out); break;
75 default:
76 throw new StreamCorruptedException("Unknown serialized type.");
77 }
78 }
79
80 @Override
81 public void readExternal(final ObjectInput in)
82 throws IOException
83 {
84 _type = in.readByte();
85 switch (_type) {
86 case SIMPLE_INT_VEC: _object = SimpleIntVec.read(in); break;
87 case SIMPLE_LONG_VEC: _object = SimpleLongVec.read(in); break;
88 case SIMPLE_DOUBLE_VEC: _object = SimpleDoubleVec.read(in); break;
89 default:
90 throw new StreamCorruptedException("Unknown serialized type.");
91 }
92 }
93
94 private Object readResolve() {
95 return _object;
96 }
97
98 }
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