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/*
* Java Genetic Algorithm Library (jenetics-8.1.0).
* Copyright (c) 2007-2024 Franz Wilhelmstötter
*
* 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.
*
* Author:
* Franz Wilhelmstötter ([email protected])
*/
package io.jenetics.ext.rewriting;
import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.io.Serial;
import java.io.StreamCorruptedException;
/**
* @author Franz Wilhelmstötter
* @version 7.0
* @since 5.0
*/
final class SerialProxy implements Externalizable {
@Serial
private static final long serialVersionUID = 1;
static final byte TREE_PATTERN = 1;
static final byte TREE_REWRITE_RULE = 4;
static final byte TRS_KEY = 5;
/**
* The type being serialized.
*/
private byte _type;
/**
* The object being serialized.
*/
private Object _object;
/**
* Constructor for deserialization.
*/
public SerialProxy() {
}
/**
* Creates an instance for serialization.
*
* @param type the type
* @param object the object
*/
SerialProxy(final byte type, final Object object) {
_type = type;
_object = object;
}
@Override
public void writeExternal(final ObjectOutput out) throws IOException {
out.writeByte(_type);
switch (_type) {
case TREE_PATTERN -> ((TreePattern)_object).write(out);
case TREE_REWRITE_RULE -> ((TreeRewriteRule)_object).write(out);
case TRS_KEY -> ((TRS)_object).write(out);
default -> throw new StreamCorruptedException("Unknown serialized type.");
}
}
@Override
public void readExternal(final ObjectInput in)
throws IOException, ClassNotFoundException
{
_type = in.readByte();
_object = switch (_type) {
case TREE_PATTERN -> TreePattern.read(in);
case TREE_REWRITE_RULE -> TreeRewriteRule.read(in);
case TRS_KEY -> TRS.read(in);
default -> throw new StreamCorruptedException("Unknown serialized type.");
};
}
@Serial
private Object readResolve() {
return _object;
}
}