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SortedMapExternalizer.java
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SortedMapExternalizer.java
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/*
* JBoss, Home of Professional Open Source.
* Copyright 2015, 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.util;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.Comparator;
import java.util.SortedMap;
import java.util.function.Function;
/**
* Externalizers for implementations of {@link SortedMap}.
* Requires additional serialization of the comparator.
* @author Paul Ferraro
*/
public class SortedMapExternalizer<T extends SortedMap<Object, Object>> extends MapExternalizer<T, Comparator<Object>> {
public SortedMapExternalizer(Class<?> targetClass, Function<Comparator<Object>, T> factory) {
super(targetClass, factory);
}
@Override
protected void writeContext(ObjectOutput output, T map) throws IOException {
output.writeObject(map.comparator());
}
@SuppressWarnings("unchecked")
@Override
protected Comparator<Object> readContext(ObjectInput input) throws IOException, ClassNotFoundException {
return (Comparator<Object>) input.readObject();
}
}