/*
* 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;
import java.time.Instant;
import java.util.concurrent.atomic.AtomicReference;
import org.wildfly.clustering.ee.Remover;
import org.wildfly.clustering.web.LocalContextFactory;
import org.wildfly.clustering.web.session.Session;
import org.wildfly.clustering.web.session.SessionMetaData;
/**
* Generic session implementation - independent of cache mapping strategy.
* @author Paul Ferraro
*/
public class InfinispanSession<L> extends InfinispanImmutableSession implements Session<L> {
private final InvalidatableSessionMetaData metaData;
private final SessionAttributes attributes;
private final AtomicReference<L> localContext;
private final LocalContextFactory<L> localContextFactory;
private final Remover<String> remover;
public InfinispanSession(String id, InvalidatableSessionMetaData metaData, SessionAttributes attributes, AtomicReference<L> localContext, LocalContextFactory<L> localContextFactory, Remover<String> remover) {
super(id, metaData, attributes);
this.metaData = metaData;
this.attributes = attributes;
this.localContext = localContext;
this.localContextFactory = localContextFactory;
this.remover = remover;
}
@Override
public SessionAttributes getAttributes() {
return this.attributes;
}
@Override
public void invalidate() {
if (this.metaData.invalidate()) {
this.remover.remove(this.getId());
}
}
@Override
public boolean isValid() {
return this.metaData.isValid();
}
@Override
public SessionMetaData getMetaData() {
return this.metaData;
}
@Override
public void close() {
if (this.metaData.isValid()) {
this.attributes.close();
this.metaData.setLastAccessedTime(Instant.now());
}
}
@Override
public L getLocalContext() {
if (this.localContextFactory == null) return null;
L localContext = this.localContext.get();
if (localContext == null) {
localContext = this.localContextFactory.createLocalContext();
if (!this.localContext.compareAndSet(null, localContext)) {
return this.localContext.get();
}
}
return localContext;
}
}