/*
* JBoss, Home of Professional Open Source.
* Copyright 2017, 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.ejb3.remote;
import java.util.List;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.Executor;
import org.jboss.as.ejb3.deployment.DeploymentRepository;
import org.jboss.as.server.ServerEnvironment;
import org.jboss.as.server.suspend.SuspendController;
import org.jboss.ejb.client.Affinity;
import org.jboss.ejb.client.EJBClientContext;
import org.jboss.ejb.server.Association;
import org.jboss.ejb.server.ListenerHandle;
import org.jboss.ejb.server.ModuleAvailabilityListener;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.wildfly.discovery.AttributeValue;
import org.wildfly.discovery.ServiceRegistration;
import org.wildfly.discovery.ServiceURL;
import org.wildfly.discovery.impl.LocalRegistryAndDiscoveryProvider;
import org.wildfly.discovery.spi.DiscoveryProvider;
import org.wildfly.discovery.spi.RegistryProvider;
/**
* The EJB server association service.
*
* @author <a href="mailto:david.lloyd@redhat.com">David M. Lloyd</a>
*/
public final class AssociationService implements Service<AssociationService> {
public static final ServiceName SERVICE_NAME = ServiceName.JBOSS.append("ejb", "association");
private final InjectedValue<DeploymentRepository> deploymentRepositoryInjector = new InjectedValue<>();
private final InjectedValue<RegistryCollector> registryCollectorInjector = new InjectedValue<>();
private final InjectedValue<SuspendController> suspendControllerInjector = new InjectedValue<>();
private final InjectedValue<ServerEnvironment> serverEnvironmentServiceInjector = new InjectedValue<>();
private final LocalRegistryAndDiscoveryProvider localRegistry = new LocalRegistryAndDiscoveryProvider();
private AssociationImpl value;
private ListenerHandle handle;
private ServiceRegistration serviceRegistration;
public AssociationService() {
}
public void start(final StartContext context) throws StartException {
// todo suspendController
value = new AssociationImpl(deploymentRepositoryInjector.getValue(), registryCollectorInjector.getValue());
// register the fact that the local receiver can handle invocations targeted at its node name
final ServiceURL.Builder builder = new ServiceURL.Builder();
builder.setAbstractType("ejb").setAbstractTypeAuthority("jboss");
builder.setUri(Affinity.LOCAL.getUri());
builder.addAttribute(EJBClientContext.FILTER_ATTR_NODE, AttributeValue.fromString(serverEnvironmentServiceInjector.getValue().getNodeName()));
serviceRegistration = getLocalRegistryProvider().registerService(builder.create());
// track deployments at an association level for local dispatchers to utilize
handle = value.registerModuleAvailabilityListener(new ModuleAvailabilityListener() {
private final ConcurrentHashMap<ModuleIdentifier, ServiceRegistration> map = new ConcurrentHashMap<ModuleIdentifier, ServiceRegistration>();
public void moduleAvailable(final List<ModuleIdentifier> modules) {
for (ModuleIdentifier module : modules) {
final String appName = module.getAppName();
final String moduleName = module.getModuleName();
final String distinctName = module.getDistinctName();
final ServiceURL.Builder builder = new ServiceURL.Builder();
builder.setUri(Affinity.LOCAL.getUri());
builder.setAbstractType("ejb");
builder.setAbstractTypeAuthority("jboss");
if (distinctName.isEmpty()) {
if (appName.isEmpty()) {
builder.addAttribute(EJBClientContext.FILTER_ATTR_EJB_MODULE, AttributeValue.fromString(moduleName));
} else {
builder.addAttribute(EJBClientContext.FILTER_ATTR_EJB_MODULE, AttributeValue.fromString(appName + "/" + moduleName));
}
} else {
if (appName.isEmpty()) {
builder.addAttribute(EJBClientContext.FILTER_ATTR_EJB_MODULE_DISTINCT, AttributeValue.fromString(moduleName + "/" + distinctName));
} else {
builder.addAttribute(EJBClientContext.FILTER_ATTR_EJB_MODULE_DISTINCT, AttributeValue.fromString(appName + "/" + moduleName + "/" + distinctName));
}
}
final ServiceRegistration serviceRegistration = localRegistry.registerService(builder.create());
// should never conflict normally!
map.putIfAbsent(module, serviceRegistration);
}
}
public void moduleUnavailable(final List<ModuleIdentifier> modules) {
for (ModuleIdentifier module : modules) {
map.computeIfPresent(module, (i, old) -> { old.close(); return null; });
}
}
});
}
public void stop(final StopContext context) {
value = null;
handle.close();
serviceRegistration.close();
handle = null;
serviceRegistration = null;
}
public AssociationService getValue() throws IllegalStateException, IllegalArgumentException {
return this;
}
public InjectedValue<ServerEnvironment> getServerEnvironmentServiceInjector() {
return serverEnvironmentServiceInjector;
}
public InjectedValue<DeploymentRepository> getDeploymentRepositoryInjector() {
return deploymentRepositoryInjector;
}
public InjectedValue<RegistryCollector> getRegistryCollectorInjector() {
return registryCollectorInjector;
}
public InjectedValue<SuspendController> getSuspendControllerInjector() {
return suspendControllerInjector;
}
public RegistryProvider getLocalRegistryProvider() {
return localRegistry;
}
public DiscoveryProvider getLocalDiscoveryProvider() {
return localRegistry;
}
public Association getAssociation() {
return value;
}
void setExecutor(Executor executor) {
if(value != null) {
value.setExecutor(executor);
}
}
}