/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, 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.host.controller.model.jvm;
import java.util.Set;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.ADD;
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.OperationStepHandler;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.logging.ControllerLogger;
import org.jboss.as.controller.registry.ImmutableManagementResourceRegistration;
import org.jboss.as.controller.registry.Resource;
import org.jboss.dmr.ModelNode;
/**
* {@code OperationHandler} for the jvm resource add operation.
*
* @author Emanuel Muckenhuber
*/
final class JVMAddHandler extends AbstractAddStepHandler {
public static final String OPERATION_NAME = ADD;
private final AttributeDefinition[] attrs;
JVMAddHandler(AttributeDefinition[] attrs) {
this.attrs = attrs;
}
@Override
protected void populateModel(final OperationContext context, final ModelNode operation, final Resource resource) throws OperationFailedException {
super.populateModel(context, operation, resource);
final ModelNode model = resource.getModel();
final PathAddress jvm = PathAddress.pathAddress(operation.require(ModelDescriptionConstants.OP_ADDR));
context.addStep(new OperationStepHandler() {
public void execute(final OperationContext context, final ModelNode operation) throws OperationFailedException {
Resource root;
// TODO WFCORE-1527 - this is a workaround for the issue that even though at this point the parent server group
// may have been added, it is not visible to RRFR, which it should be.
try {
root = context.readResourceFromRoot(context.getCurrentAddress().getParent(), false);
} catch (Resource.NoSuchResourceException e) {
// this occurs in the case of an ignored server-group being added to a slave.
// for all other cases, the parent element is always present.
return;
}
final ImmutableManagementResourceRegistration registration = context.getResourceRegistration();
final int maxOccurs = registration.getMaxOccurs();
// if we have a configured max (for example /host=master/server-config/server-one/jvm= is cardinality 1, but
// /host=master/jvm= is unbounded), verify that limit here.
if (maxOccurs != Integer.MAX_VALUE) {
Set<Resource.ResourceEntry> children = root.getChildren(ModelDescriptionConstants.JVM);
if (children.size() > 1) {
for (Resource.ResourceEntry entry : children) {
if (!entry.getName().equals(jvm.getLastElement().getValue())) {
throw ControllerLogger.ROOT_LOGGER.cannotAddMoreThanOneJvmForServerOrHost(
jvm,
PathAddress.pathAddress(PathElement.pathElement(ModelDescriptionConstants.JVM, entry.getName())));
}
}
}
}
}
}, OperationContext.Stage.MODEL);
for (AttributeDefinition attr : attrs) {
attr.validateAndSet(operation, model);
}
}
@Override
protected boolean requiresRuntime(OperationContext context) {
return false;
}
}