/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, 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 java.util.function.UnaryOperator;
import org.jboss.as.clustering.controller.CapabilityReference;
import org.jboss.as.clustering.controller.ChildResourceDefinition;
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.RestartParentResourceRegistration;
import org.jboss.as.clustering.controller.SimpleResourceServiceHandler;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.ModelVersion;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
import org.jboss.as.controller.capability.RuntimeCapability;
import org.jboss.as.controller.registry.AttributeAccess;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.as.controller.transform.TransformationContext;
import org.jboss.as.controller.transform.description.AttributeConverter;
import org.jboss.as.controller.transform.description.DiscardAttributeChecker;
import org.jboss.as.controller.transform.description.ResourceTransformationDescriptionBuilder;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
import org.wildfly.clustering.jgroups.spi.JGroupsRequirement;
import org.wildfly.clustering.jgroups.spi.RelayConfiguration;
/**
* Resource definition for subsystem=jgroups/stack=X/relay=RELAY/remote-site=Y
*
* @author Paul Ferraro
*/
public class RemoteSiteResourceDefinition extends ChildResourceDefinition<ManagementResourceRegistration> {
static final PathElement WILDCARD_PATH = pathElement(PathElement.WILDCARD_VALUE);
static PathElement pathElement(String name) {
return PathElement.pathElement("remote-site", name);
}
enum Capability implements org.jboss.as.clustering.controller.Capability {
REMOTE_SITE("org.wildfly.clustering.jgroups.remote-site"),
;
private final RuntimeCapability<Void> definition;
Capability(String name) {
this.definition = RuntimeCapability.Builder.of(name, true).build();
}
@Override
public RuntimeCapability<Void> getDefinition() {
return this.definition;
}
@Override
public RuntimeCapability<Void> resolve(PathAddress address) {
return this.definition.fromBaseCapability(address.getParent().getParent().getLastElement().getValue(), address.getLastElement().getValue());
}
}
enum Attribute implements org.jboss.as.clustering.controller.Attribute {
CHANNEL("channel", ModelType.STRING, builder -> builder.setCapabilityReference(new CapabilityReference(Capability.REMOTE_SITE, JGroupsRequirement.CHANNEL_SOURCE))),
;
private final AttributeDefinition definition;
Attribute(String name, ModelType type, UnaryOperator<SimpleAttributeDefinitionBuilder> configurator) {
this.definition = configurator.apply(new SimpleAttributeDefinitionBuilder(name, ModelType.STRING)
.setRequired(true)
.setFlags(AttributeAccess.Flag.RESTART_RESOURCE_SERVICES)
).build();
}
@Override
public AttributeDefinition getDefinition() {
return this.definition;
}
}
enum DeprecatedAttribute implements org.jboss.as.clustering.controller.Attribute {
STACK("stack", ModelType.STRING, JGroupsModel.VERSION_3_0_0),
CLUSTER("cluster", ModelType.STRING, JGroupsModel.VERSION_3_0_0),
;
private final AttributeDefinition definition;
DeprecatedAttribute(String name, ModelType type, JGroupsModel deprecation) {
this.definition = new SimpleAttributeDefinitionBuilder(name, ModelType.STRING)
.setRequired(false)
.setAllowExpression(true)
.setDeprecated(deprecation.getVersion())
.setFlags(AttributeAccess.Flag.RESTART_RESOURCE_SERVICES)
.build();
}
@Override
public AttributeDefinition getDefinition() {
return this.definition;
}
}
static SimpleAttributeDefinitionBuilder createBuilder(String name, ModelType type) {
return new SimpleAttributeDefinitionBuilder(name, ModelType.STRING)
.setAllowExpression(true)
.setFlags(AttributeAccess.Flag.RESTART_RESOURCE_SERVICES)
;
}
@SuppressWarnings("deprecation")
static void buildTransformation(ModelVersion version, ResourceTransformationDescriptionBuilder parent) {
ResourceTransformationDescriptionBuilder builder = parent.addChildResource(WILDCARD_PATH);
if (JGroupsModel.VERSION_3_0_0.requiresTransformation(version)) {
AttributeConverter converter = new AttributeConverter() {
@Override
public void convertOperationParameter(PathAddress address, String name, ModelNode value, ModelNode operation, TransformationContext context) {
// Nothing to convert
}
@Override
public void convertResourceAttribute(PathAddress address, String name, ModelNode value, TransformationContext context) {
ModelNode remoteSite = context.readResourceFromRoot(address).getModel();
String channelName = remoteSite.get(Attribute.CHANNEL.getName()).asString();
if (DeprecatedAttribute.STACK.getName().equals(name)) {
PathAddress subsystemAddress = address.subAddress(0, address.size() - 3);
PathAddress channelAddress = subsystemAddress.append(ChannelResourceDefinition.pathElement(channelName));
ModelNode channel = context.readResourceFromRoot(channelAddress).getModel();
if (channel.hasDefined(ChannelResourceDefinition.Attribute.STACK.getName())) {
value.set(channel.get(ChannelResourceDefinition.Attribute.STACK.getName()).asString());
} else {
ModelNode subsystem = context.readResourceFromRoot(subsystemAddress).getModel();
value.set(subsystem.get(JGroupsSubsystemResourceDefinition.Attribute.DEFAULT_STACK.getName()).asString());
}
} else if (DeprecatedAttribute.CLUSTER.getName().equals(name)) {
value.set(channelName);
} else {
throw new IllegalStateException();
}
}
};
builder.getAttributeBuilder()
.setValueConverter(converter, DeprecatedAttribute.STACK.getDefinition(), DeprecatedAttribute.CLUSTER.getDefinition())
.setDiscard(DiscardAttributeChecker.ALWAYS, Attribute.CHANNEL.getDefinition())
.end();
}
}
private final ResourceServiceBuilderFactory<RelayConfiguration> parentBuilderFactory;
RemoteSiteResourceDefinition(ResourceServiceBuilderFactory<RelayConfiguration> parentBuilderFactory) {
super(WILDCARD_PATH, new JGroupsResourceDescriptionResolver(WILDCARD_PATH));
this.parentBuilderFactory = parentBuilderFactory;
}
@Override
public void register(ManagementResourceRegistration parentRegistration) {
ManagementResourceRegistration registration = parentRegistration.registerSubModel(this);
ResourceDescriptor descriptor = new ResourceDescriptor(this.getResourceDescriptionResolver())
.addAttributes(Attribute.class)
.addAttributes(DeprecatedAttribute.class)
.addCapabilities(Capability.class)
;
ResourceServiceHandler handler = new SimpleResourceServiceHandler<>(address -> new RemoteSiteConfigurationBuilder(address));
new RestartParentResourceRegistration<>(this.parentBuilderFactory, descriptor, handler).register(registration);
}
}