/*
* 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.wildfly.extension.clustering.singleton;
import java.util.function.Consumer;
import org.jboss.as.clustering.controller.CapabilityReference;
import org.jboss.as.clustering.controller.ChildResourceDefinition;
import org.jboss.as.clustering.controller.CommonUnaryRequirement;
import org.jboss.as.clustering.controller.ResourceDescriptor;
import org.jboss.as.clustering.controller.ResourceServiceBuilderFactory;
import org.jboss.as.clustering.controller.ResourceServiceHandler;
import org.jboss.as.clustering.controller.SimpleResourceRegistration;
import org.jboss.as.clustering.controller.SimpleResourceServiceHandler;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.CapabilityReferenceRecorder;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.StringListAttributeDefinition;
import org.jboss.as.controller.capability.RuntimeCapability;
import org.jboss.as.controller.descriptions.ResourceDescriptionResolver;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.wildfly.clustering.singleton.SingletonElectionPolicy;
/**
* Definition of an election policy resource.
* @author Paul Ferraro
*/
public abstract class ElectionPolicyResourceDefinition extends ChildResourceDefinition<ManagementResourceRegistration> {
static final PathElement WILDCARD_PATH = pathElement(PathElement.WILDCARD_VALUE);
static PathElement pathElement(String value) {
return PathElement.pathElement("election-policy", value);
}
enum Capability implements org.jboss.as.clustering.controller.Capability {
ELECTION_POLICY("org.wildfly.clustering.singleton.policy.election", SingletonElectionPolicy.class),
;
private final RuntimeCapability<Void> definition;
Capability(String name, Class<?> type) {
this.definition = RuntimeCapability.Builder.of(name, true, type).build();
}
@Override
public RuntimeCapability<Void> getDefinition() {
return this.definition;
}
@Override
public RuntimeCapability<Void> resolve(PathAddress address) {
return this.definition.fromBaseCapability(address.getParent().getLastElement().getValue());
}
}
enum Attribute implements org.jboss.as.clustering.controller.Attribute {
NAME_PREFERENCES("name-preferences", "socket-binding-preferences"),
SOCKET_BINDING_PREFERENCES("socket-binding-preferences", "name-preferences", new CapabilityReference(Capability.ELECTION_POLICY, CommonUnaryRequirement.OUTBOUND_SOCKET_BINDING)),
;
private final AttributeDefinition definition;
Attribute(String name, String alternative) {
this.definition = createBuilder(name, alternative).build();
}
Attribute(String name, String alternative, CapabilityReferenceRecorder reference) {
this.definition = createBuilder(name, alternative)
.setCapabilityReference(reference)
.build();
}
@Override
public AttributeDefinition getDefinition() {
return this.definition;
}
private static StringListAttributeDefinition.Builder createBuilder(String name, String alternative) {
return new StringListAttributeDefinition.Builder(name)
.setAllowExpression(true)
.setRequired(false)
.setAlternatives(alternative)
;
}
}
private final Consumer<ResourceDescriptor> configurator;
private final ResourceServiceBuilderFactory<SingletonElectionPolicy> builderFactory;
ElectionPolicyResourceDefinition(PathElement path, ResourceDescriptionResolver resolver, Consumer<ResourceDescriptor> configurator, ResourceServiceBuilderFactory<SingletonElectionPolicy> builderFactory) {
super(path, resolver);
this.configurator = configurator;
this.builderFactory = builderFactory;
}
@Override
public void register(ManagementResourceRegistration parentRegistration) {
ManagementResourceRegistration registration = parentRegistration.registerSubModel(this);
ResourceDescriptor descriptor = new ResourceDescriptor(this.getResourceDescriptionResolver())
.addAttributes(ElectionPolicyResourceDefinition.Attribute.class)
.addCapabilities(ElectionPolicyResourceDefinition.Capability.class)
;
this.configurator.accept(descriptor);
ResourceServiceHandler handler = new SimpleResourceServiceHandler<>(this.builderFactory);
new SimpleResourceRegistration(descriptor, handler).register(registration);
}
}