/*
* 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.web.infinispan;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.ServiceLoader;
import java.util.function.Function;
import java.util.stream.StreamSupport;
import org.wildfly.clustering.infinispan.spi.distribution.Key;
import org.wildfly.clustering.infinispan.spi.persistence.SimpleKeyFormat;
import org.wildfly.clustering.marshalling.Externalizer;
import org.wildfly.clustering.web.IdentifierExternalizerProvider;
/**
* Base externalizer for cache keys containing session identifiers.
* @author Paul Ferraro
*/
public abstract class SessionKeyExternalizer<K extends Key<String>> extends SimpleKeyFormat<K> implements Externalizer<K> {
static final Externalizer<String> EXTERNALIZER = StreamSupport.stream(ServiceLoader.load(IdentifierExternalizerProvider.class, IdentifierExternalizerProvider.class.getClassLoader()).spliterator(), false).findFirst().get().getExternalizer();
private final Function<String, K> resolver;
protected SessionKeyExternalizer(Class<K> targetClass, Function<String, K> resolver) {
super(targetClass, resolver, Key::getValue);
this.resolver = resolver;
}
@Override
public void writeObject(ObjectOutput output, K key) throws IOException {
EXTERNALIZER.writeObject(output, key.getValue());
}
@Override
public K readObject(ObjectInput input) throws IOException, ClassNotFoundException {
return this.resolver.apply(EXTERNALIZER.readObject(input));
}
}