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DistributableSessionManagerFactoryBuilder.java
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DistributableSessionManagerFactoryBuilder.java
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/*
* 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.undertow.session;
import java.io.Externalizable;
import java.io.Serializable;
import java.util.EnumMap;
import java.util.Map;
import java.util.ServiceLoader;
import java.util.function.Function;
import org.jboss.as.controller.capability.CapabilityServiceSupport;
import org.jboss.marshalling.MarshallingConfiguration;
import org.jboss.marshalling.ModularClassResolver;
import org.jboss.metadata.web.jboss.ReplicationGranularity;
import org.jboss.modules.Module;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceTarget;
import org.jboss.msc.service.ValueService;
import org.jboss.msc.value.InjectedValue;
import org.jboss.msc.value.Value;
import org.wildfly.clustering.ee.Batch;
import org.wildfly.clustering.marshalling.jboss.ExternalizerObjectTable;
import org.wildfly.clustering.marshalling.jboss.MarshallingContext;
import org.wildfly.clustering.marshalling.jboss.SimpleClassTable;
import org.wildfly.clustering.marshalling.jboss.SimpleMarshalledValueFactory;
import org.wildfly.clustering.marshalling.jboss.SimpleMarshallingConfigurationRepository;
import org.wildfly.clustering.marshalling.jboss.SimpleMarshallingContextFactory;
import org.wildfly.clustering.marshalling.spi.MarshalledValueFactory;
import org.wildfly.clustering.service.Builder;
import org.wildfly.clustering.web.session.SessionManagerFactoryBuilderProvider;
import org.wildfly.clustering.web.session.SessionManagerFactoryConfiguration;
import org.wildfly.extension.undertow.session.DistributableSessionManagerConfiguration;
import io.undertow.servlet.api.SessionManagerFactory;
/**
* Distributable {@link SessionManagerFactory} builder for Undertow.
* @author Paul Ferraro
*/
public class DistributableSessionManagerFactoryBuilder implements org.wildfly.extension.undertow.session.DistributableSessionManagerFactoryBuilder, Value<SessionManagerFactory> {
static final Map<ReplicationGranularity, SessionManagerFactoryConfiguration.SessionAttributePersistenceStrategy> strategies = new EnumMap<>(ReplicationGranularity.class);
static {
strategies.put(ReplicationGranularity.SESSION, SessionManagerFactoryConfiguration.SessionAttributePersistenceStrategy.COARSE);
strategies.put(ReplicationGranularity.ATTRIBUTE, SessionManagerFactoryConfiguration.SessionAttributePersistenceStrategy.FINE);
}
private static SessionManagerFactoryBuilderProvider<Batch> load() {
for (SessionManagerFactoryBuilderProvider<Batch> provider: ServiceLoader.load(SessionManagerFactoryBuilderProvider.class, SessionManagerFactoryBuilderProvider.class.getClassLoader())) {
return provider;
}
return null;
}
enum MarshallingVersion implements Function<Module, MarshallingConfiguration> {
VERSION_1() {
@Override
public MarshallingConfiguration apply(Module module) {
MarshallingConfiguration config = new MarshallingConfiguration();
config.setClassResolver(ModularClassResolver.getInstance(module.getModuleLoader()));
config.setClassTable(new SimpleClassTable(Serializable.class, Externalizable.class));
return config;
}
},
VERSION_2() {
@Override
public MarshallingConfiguration apply(Module module) {
MarshallingConfiguration config = new MarshallingConfiguration();
config.setClassResolver(ModularClassResolver.getInstance(module.getModuleLoader()));
config.setClassTable(new SimpleClassTable(Serializable.class, Externalizable.class));
config.setObjectTable(new ExternalizerObjectTable(module.getClassLoader()));
return config;
}
},
;
static final MarshallingVersion CURRENT = VERSION_2;
}
private final SessionManagerFactoryBuilderProvider<Batch> provider;
@SuppressWarnings("rawtypes")
private final InjectedValue<org.wildfly.clustering.web.session.SessionManagerFactory> factory = new InjectedValue<>();
public DistributableSessionManagerFactoryBuilder() {
this(load());
}
public DistributableSessionManagerFactoryBuilder(SessionManagerFactoryBuilderProvider<Batch> provider) {
this.provider = provider;
}
@Override
public ServiceBuilder<SessionManagerFactory> build(CapabilityServiceSupport support, ServiceTarget target, ServiceName name, DistributableSessionManagerConfiguration config) {
Module module = config.getModule();
MarshallingContext context = new SimpleMarshallingContextFactory().createMarshallingContext(new SimpleMarshallingConfigurationRepository(MarshallingVersion.class, MarshallingVersion.CURRENT, module), module.getClassLoader());
MarshalledValueFactory<MarshallingContext> factory = new SimpleMarshalledValueFactory(context);
SessionManagerFactoryConfiguration<MarshallingContext> configuration = new SessionManagerFactoryConfiguration<MarshallingContext>() {
@Override
public int getMaxActiveSessions() {
return config.getMaxActiveSessions();
}
@Override
public SessionAttributePersistenceStrategy getAttributePersistenceStrategy() {
return strategies.get(config.getGranularity());
}
@Override
public String getDeploymentName() {
return config.getDeploymentName();
}
@Override
public String getCacheName() {
return config.getCacheName();
}
@Override
public MarshalledValueFactory<MarshallingContext> getMarshalledValueFactory() {
return factory;
}
@Override
public MarshallingContext getMarshallingContext() {
return context;
}
};
Builder<org.wildfly.clustering.web.session.SessionManagerFactory<Batch>> builder = this.provider.getBuilder(configuration).configure(support);
builder.build(target).install();
return target.addService(name, new ValueService<>(this))
.addDependency(builder.getServiceName(), org.wildfly.clustering.web.session.SessionManagerFactory.class, this.factory)
.setInitialMode(ServiceController.Mode.ON_DEMAND);
}
@Override
public SessionManagerFactory getValue() {
return new DistributableSessionManagerFactory(this.factory.getValue());
}
}