/*
* JBoss, Home of Professional Open Source.
* Copyright 2016, 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.discovery;
import java.util.List;
import org.jboss.as.controller.AbstractAddStepHandler;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.capability.RuntimeCapability;
import org.jboss.as.controller.operations.global.WriteAttributeHandler;
import org.jboss.as.controller.registry.Resource;
import org.jboss.dmr.ModelNode;
import org.wildfly.discovery.impl.AggregateDiscoveryProvider;
import org.wildfly.discovery.impl.MutableDiscoveryProvider;
import org.wildfly.discovery.spi.DiscoveryProvider;
/**
* @author <a href="mailto:david.lloyd@redhat.com">David M. Lloyd</a>
*/
class AggregateProviderAddHandler extends AbstractAddStepHandler {
private static final AggregateProviderAddHandler INSTANCE = new AggregateProviderAddHandler();
static AggregateProviderAddHandler getInstance() {
return INSTANCE;
}
private AggregateProviderAddHandler() {
super(new Parameters().addAttribute(AggregateProviderDefinition.PROVIDER_NAMES));
}
public void execute(final OperationContext context, final ModelNode operation) throws OperationFailedException {
context.registerCapability(
RuntimeCapability.Builder
.of(DiscoveryExtension.DISCOVERY_PROVIDER_CAPABILITY, true, new MutableDiscoveryProvider())
.build().fromBaseCapability(context.getCurrentAddressValue()));
super.execute(context, operation);
}
protected void recordCapabilitiesAndRequirements(final OperationContext context, final ModelNode operation, final Resource resource) throws OperationFailedException {
final AttributeDefinition ad = AggregateProviderDefinition.PROVIDER_NAMES;
ad.addCapabilityRequirements(context, resource.getModel().get(ad.getName()));
}
static void modifyRegistrationModel(OperationContext context, ModelNode op) throws OperationFailedException {
WriteAttributeHandler.INSTANCE.execute(context, op);
context.addStep(op, AggregateProviderAddHandler::modifyRegistration, OperationContext.Stage.RUNTIME);
}
static void modifyRegistration(OperationContext context, ModelNode op) throws OperationFailedException {
final MutableDiscoveryProvider mutableDiscoveryProvider = context.getCapabilityRuntimeAPI(DiscoveryExtension.DISCOVERY_PROVIDER_CAPABILITY, context.getCurrentAddressValue(), MutableDiscoveryProvider.class);
final ModelNode model = context.readResource(PathAddress.EMPTY_ADDRESS).getModel();
if (model.hasDefined(DiscoveryExtension.PROVIDERS)) {
final List<String> list = AggregateProviderDefinition.PROVIDER_NAMES.unwrap(context, model);
if (list.isEmpty()) {
mutableDiscoveryProvider.setDiscoveryProvider(DiscoveryProvider.EMPTY);
} else {
final DiscoveryProvider[] providers = new DiscoveryProvider[list.size()];
int i = 0;
for (String name : list) {
providers[i ++] = context.getCapabilityRuntimeAPI(DiscoveryExtension.DISCOVERY_PROVIDER_CAPABILITY, name, DiscoveryProvider.class);
}
final DiscoveryProvider discoveryProvider = new AggregateDiscoveryProvider(providers);
mutableDiscoveryProvider.setDiscoveryProvider(discoveryProvider);
}
} else {
mutableDiscoveryProvider.setDiscoveryProvider(DiscoveryProvider.EMPTY);
}
}
}