/*
* 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.server.dispatcher;
import java.util.concurrent.TimeUnit;
import java.util.function.Function;
import java.util.function.Supplier;
import java.util.stream.Stream;
import org.jboss.as.clustering.controller.CapabilityServiceBuilder;
import org.jboss.as.clustering.function.Consumers;
import org.jboss.as.clustering.function.Functions;
import org.jboss.as.controller.capability.CapabilityServiceSupport;
import org.jboss.as.server.Services;
import org.jboss.marshalling.MarshallingConfiguration;
import org.jboss.marshalling.ModularClassResolver;
import org.jboss.modules.Module;
import org.jboss.modules.ModuleLoader;
import org.jboss.msc.service.Service;
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.value.InjectedValue;
import org.jgroups.Channel;
import org.wildfly.clustering.dispatcher.CommandDispatcherFactory;
import org.wildfly.clustering.jgroups.spi.ChannelFactory;
import org.wildfly.clustering.jgroups.spi.JGroupsRequirement;
import org.wildfly.clustering.marshalling.jboss.DynamicClassTable;
import org.wildfly.clustering.marshalling.jboss.ExternalizerObjectTable;
import org.wildfly.clustering.marshalling.jboss.MarshallingContext;
import org.wildfly.clustering.marshalling.jboss.SimpleMarshallingConfigurationRepository;
import org.wildfly.clustering.marshalling.jboss.SimpleMarshallingContextFactory;
import org.wildfly.clustering.server.group.JGroupsNodeFactory;
import org.wildfly.clustering.service.AsynchronousServiceBuilder;
import org.wildfly.clustering.service.Builder;
import org.wildfly.clustering.service.InjectedValueDependency;
import org.wildfly.clustering.service.SuppliedValueService;
import org.wildfly.clustering.service.ValueDependency;
import org.wildfly.clustering.spi.ClusteringRequirement;
/**
* Builds a channel-based {@link org.wildfly.clustering.dispatcher.CommandDispatcherFactory} service.
* @author Paul Ferraro
*/
public class ChannelCommandDispatcherFactoryBuilder implements CapabilityServiceBuilder<CommandDispatcherFactory>, ChannelCommandDispatcherFactoryConfiguration, MarshallingConfigurationContext {
enum MarshallingVersion implements Function<MarshallingConfigurationContext, MarshallingConfiguration> {
VERSION_1() {
@Override
public MarshallingConfiguration apply(MarshallingConfigurationContext context) {
MarshallingConfiguration config = new MarshallingConfiguration();
config.setClassResolver(ModularClassResolver.getInstance(context.getModuleLoader()));
config.setClassTable(new DynamicClassTable(context.getModule().getClassLoader()));
return config;
}
},
VERSION_2() {
@Override
public MarshallingConfiguration apply(MarshallingConfigurationContext context) {
MarshallingConfiguration config = new MarshallingConfiguration();
config.setClassResolver(ModularClassResolver.getInstance(context.getModuleLoader()));
config.setClassTable(new DynamicClassTable(context.getModule().getClassLoader()));
config.setObjectTable(new ExternalizerObjectTable(context.getModule().getClassLoader()));
return config;
}
},
;
static final MarshallingVersion CURRENT = VERSION_2;
}
private final InjectedValue<ModuleLoader> loader = new InjectedValue<>();
private final ServiceName name;
private final String group;
private volatile ValueDependency<ChannelFactory> channelFactory;
private volatile ValueDependency<Channel> channel;
private volatile ValueDependency<JGroupsNodeFactory> nodeFactory;
private volatile ValueDependency<Module> module;
private volatile long timeout = TimeUnit.MINUTES.toMillis(1);
public ChannelCommandDispatcherFactoryBuilder(ServiceName name, String group) {
this.name = name;
this.group = group;
}
@Override
public ServiceName getServiceName() {
return this.name;
}
@Override
public Builder<CommandDispatcherFactory> configure(CapabilityServiceSupport support) {
this.channel = new InjectedValueDependency<>(JGroupsRequirement.CHANNEL.getServiceName(support, this.group), Channel.class);
this.channelFactory = new InjectedValueDependency<>(JGroupsRequirement.CHANNEL_FACTORY.getServiceName(support, this.group), ChannelFactory.class);
this.module = new InjectedValueDependency<>(JGroupsRequirement.CHANNEL_MODULE.getServiceName(support, this.group), Module.class);
this.nodeFactory = new InjectedValueDependency<>(ClusteringRequirement.NODE_FACTORY.getServiceName(support, this.group), JGroupsNodeFactory.class);
return this;
}
@Override
public ServiceBuilder<CommandDispatcherFactory> build(ServiceTarget target) {
Supplier<ChannelCommandDispatcherFactory> supplier = () -> new ChannelCommandDispatcherFactory(this);
Service<CommandDispatcherFactory> service = new SuppliedValueService<>(Functions.identity(), supplier, Consumers.close());
ServiceBuilder<CommandDispatcherFactory> builder = new AsynchronousServiceBuilder<>(this.name, service).build(target)
.addDependency(Services.JBOSS_SERVICE_MODULE_LOADER, ModuleLoader.class, this.loader)
.setInitialMode(ServiceController.Mode.PASSIVE)
;
Stream.of(this.channel, this.channelFactory, this.module, this.nodeFactory).forEach(dependency -> dependency.register(builder));
return builder;
}
public ChannelCommandDispatcherFactoryBuilder timeout(long value, TimeUnit unit) {
this.timeout = unit.toMillis(value);
return this;
}
@Override
public Module getModule() {
return this.module.getValue();
}
@Override
public ModuleLoader getModuleLoader() {
return this.loader.getValue();
}
@Override
public Channel getChannel() {
return this.channel.getValue();
}
@Override
public JGroupsNodeFactory getNodeFactory() {
return this.nodeFactory.getValue();
}
@Override
public MarshallingContext getMarshallingContext() {
return new SimpleMarshallingContextFactory().createMarshallingContext(new SimpleMarshallingConfigurationRepository(MarshallingVersion.class, MarshallingVersion.CURRENT, this), this.getModule().getClassLoader());
}
@Override
public long getTimeout() {
return this.timeout;
}
@Override
public ChannelFactory getChannelFactory() {
return this.channelFactory.getValue();
}
}