java.io.Externalizable Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 java.io;
/**
* Defines an interface for classes that want to be serializable, but have their
* own binary representation.
*/
public interface Externalizable extends Serializable {
/**
* Reads the next object from the ObjectInput input.
*
* @param input
* the ObjectInput from which the next object is read.
* @throws IOException
* if an error occurs attempting to read from {@code input}.
* @throws ClassNotFoundException
* if the class of the instance being loaded cannot be found.
*/
public void readExternal(ObjectInput input) throws IOException,
ClassNotFoundException;
/**
* Writes the receiver to the ObjectOutput output.
*
* @param output
* the ObjectOutput to write the object to.
* @throws IOException
* if an error occurs attempting to write to {@code output}.
*/
public void writeExternal(ObjectOutput output) throws IOException;
}