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* 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.jboss.as.clustering.jgroups.subsystem;
import static org.jboss.as.clustering.jgroups.logging.JGroupsLogger.ROOT_LOGGER;
import static org.jboss.as.clustering.jgroups.subsystem.JGroupsSubsystemResourceDefinition.CAPABILITIES;
import static org.jboss.as.clustering.jgroups.subsystem.JGroupsSubsystemResourceDefinition.CLUSTERING_CAPABILITIES;
import static org.jboss.as.clustering.jgroups.subsystem.JGroupsSubsystemResourceDefinition.Attribute.*;
import java.util.ServiceLoader;
import org.jboss.as.clustering.controller.CapabilityServiceBuilder;
import org.jboss.as.clustering.controller.ResourceServiceHandler;
import org.jboss.as.clustering.dmr.ModelNodes;
import org.jboss.as.clustering.naming.BinderServiceBuilder;
import org.jboss.as.clustering.naming.JndiNameFactory;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.registry.Resource;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceTarget;
import org.jgroups.Version;
import org.wildfly.clustering.jgroups.spi.JGroupsRequirement;
import org.wildfly.clustering.service.AliasServiceBuilder;
import org.wildfly.clustering.service.ServiceNameProvider;
import org.wildfly.clustering.spi.GroupAliasBuilderProvider;
/**
* @author Paul Ferraro
*/
public class JGroupsSubsystemServiceHandler implements ResourceServiceHandler {
@Override
public void installServices(OperationContext context, ModelNode model) throws OperationFailedException {
ROOT_LOGGER.activatingSubsystem(Version.printVersion());
ServiceTarget target = context.getServiceTarget();
PathAddress address = context.getCurrentAddress();
// Handle case where JGroups subsystem is added to a running server
// In this case, the Infinispan subsystem may have already registered default group capabilities
if (context.getProcessType().isServer() && !context.isBooting()) {
Resource rootResource = context.readResourceFromRoot(address.getParent());
if (rootResource.hasChild(PathElement.pathElement(ModelDescriptionConstants.SUBSYSTEM, "infinispan"))) {
// Following restart, default group services will be installed by this handler, rather than the infinispan subsystem handler
context.addStep((ctx, operation) -> {
ctx.reloadRequired();
ctx.completeStep(OperationContext.RollbackHandler.REVERT_RELOAD_REQUIRED_ROLLBACK_HANDLER);
}, OperationContext.Stage.RUNTIME);
return;
}
}
new ProtocolDefaultsBuilder().build(target).install();
ModelNodes.optionalString(DEFAULT_CHANNEL.resolveModelAttribute(context, model)).ifPresent(defaultChannel -> {
CAPABILITIES.entrySet().forEach(entry -> new AliasServiceBuilder<>(entry.getValue().getServiceName(address), entry.getKey().getServiceName(context, defaultChannel), entry.getKey().getType()).build(target).install());
if (!defaultChannel.equals(JndiNameFactory.DEFAULT_LOCAL_NAME)) {
new BinderServiceBuilder<>(JGroupsBindingFactory.createChannelBinding(JndiNameFactory.DEFAULT_LOCAL_NAME), JGroupsRequirement.CHANNEL.getServiceName(context, defaultChannel), JGroupsRequirement.CHANNEL.getType()).build(target).install();
new BinderServiceBuilder<>(JGroupsBindingFactory.createChannelFactoryBinding(JndiNameFactory.DEFAULT_LOCAL_NAME), JGroupsRequirement.CHANNEL_FACTORY.getServiceName(context, defaultChannel), JGroupsRequirement.CHANNEL_FACTORY.getType()).build(target).install();
}
for (GroupAliasBuilderProvider provider : ServiceLoader.load(GroupAliasBuilderProvider.class, GroupAliasBuilderProvider.class.getClassLoader())) {
for (CapabilityServiceBuilder<?> builder : provider.getBuilders(requirement -> CLUSTERING_CAPABILITIES.get(requirement).getServiceName(address), null, defaultChannel)) {
builder.configure(context).build(target).install();
}
}
});
}
@Override
public void removeServices(OperationContext context, ModelNode model) throws OperationFailedException {
PathAddress address = context.getCurrentAddress();
ModelNodes.optionalString(DEFAULT_CHANNEL.resolveModelAttribute(context, model)).ifPresent(defaultChannel -> {
for (GroupAliasBuilderProvider provider : ServiceLoader.load(GroupAliasBuilderProvider.class, GroupAliasBuilderProvider.class.getClassLoader())) {
for (ServiceNameProvider builder : provider.getBuilders(requirement -> JGroupsSubsystemResourceDefinition.CLUSTERING_CAPABILITIES.get(requirement).getServiceName(address), null, defaultChannel)) {
context.removeService(builder.getServiceName());
}
}
if (!defaultChannel.equals(JndiNameFactory.DEFAULT_LOCAL_NAME)) {
context.removeService(JGroupsBindingFactory.createChannelFactoryBinding(JndiNameFactory.DEFAULT_LOCAL_NAME).getBinderServiceName());
context.removeService(JGroupsBindingFactory.createChannelBinding(JndiNameFactory.DEFAULT_LOCAL_NAME).getBinderServiceName());
}
CAPABILITIES.values().forEach(capability -> context.removeService(capability.getServiceName(address)));
});
context.removeService(ProtocolDefaultsBuilder.SERVICE_NAME);
}
}