/*
* JBoss, Home of Professional Open Source.
* Copyright 2016, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.wildfly.clustering.marshalling.spi;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import org.wildfly.clustering.marshalling.Externalizer;
/**
* Base {@link Externalizer} for enumerations.
* @author Paul Ferraro
*/
public class EnumExternalizer<E extends Enum<E>> implements Externalizer<E> {
private final IndexExternalizer ordinalExternalizer;
private final Class<E> enumClass;
public EnumExternalizer(Class<E> enumClass) {
this.ordinalExternalizer = IndexExternalizer.select(enumClass.getEnumConstants().length);
this.enumClass = enumClass;
}
@Override
public void writeObject(ObjectOutput output, E value) throws IOException {
this.ordinalExternalizer.writeData(output, value.ordinal());
}
@Override
public E readObject(ObjectInput input) throws IOException, ClassNotFoundException {
return this.enumClass.getEnumConstants()[this.ordinalExternalizer.readData(input)];
}
@Override
public Class<E> getTargetClass() {
return this.enumClass;
}
}