/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, 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.session.coarse;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import org.infinispan.commons.marshall.NotSerializableException;
import org.wildfly.clustering.ee.Mutator;
import org.wildfly.clustering.ee.infinispan.CacheProperties;
import org.wildfly.clustering.marshalling.spi.Marshallability;
import org.wildfly.clustering.web.infinispan.session.SessionAttributes;
import org.wildfly.clustering.web.session.SessionAttributeImmutability;
/**
* Exposes session attributes for a coarse granularity session.
* @author Paul Ferraro
*/
public class CoarseSessionAttributes extends CoarseImmutableSessionAttributes implements SessionAttributes {
private final Map<String, Object> attributes;
private final Set<String> mutations;
private final Mutator mutator;
private final Marshallability marshallability;
private final CacheProperties properties;
public CoarseSessionAttributes(Map<String, Object> attributes, Mutator mutator, Marshallability marshallability, CacheProperties properties) {
super(attributes);
this.attributes = attributes;
this.mutations = !properties.isTransactional() ? ConcurrentHashMap.newKeySet() : null;
this.mutator = mutator;
this.marshallability = marshallability;
this.properties = properties;
}
@Override
public Object removeAttribute(String name) {
Object value = this.attributes.remove(name);
this.mutator.mutate();
if (this.mutations != null) {
this.mutations.remove(name);
}
return value;
}
@Override
public Object setAttribute(String name, Object value) {
if (value == null) {
return this.removeAttribute(name);
}
if (this.properties.isMarshalling() && !this.marshallability.isMarshallable(value)) {
throw new IllegalArgumentException(new NotSerializableException(value.getClass().getName()));
}
Object old = this.attributes.put(name, value);
this.mutator.mutate();
if (this.mutations != null) {
this.mutations.remove(name);
}
return old;
}
@Override
public Object getAttribute(String name) {
Object value = this.attributes.get(name);
if (!SessionAttributeImmutability.INSTANCE.test(value)) {
if (this.mutations != null) {
this.mutations.add(name);
} else {
this.mutator.mutate();
}
}
return value;
}
@Override
public void close() {
if ((this.mutations != null) && !this.mutations.isEmpty()) {
this.mutator.mutate();
}
}
}