/*
* JBoss, Home of Professional Open Source.
* Copyright 2014, 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.messaging.activemq;
import static org.jboss.as.controller.SimpleAttributeDefinitionBuilder.create;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import static org.wildfly.extension.messaging.activemq.CommonAttributes.BINDINGS_DIRECTORY;
import static org.wildfly.extension.messaging.activemq.CommonAttributes.JOURNAL_DIRECTORY;
import static org.wildfly.extension.messaging.activemq.CommonAttributes.LARGE_MESSAGES_DIRECTORY;
import static org.wildfly.extension.messaging.activemq.CommonAttributes.PAGING_DIRECTORY;
import java.io.File;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import org.jboss.as.controller.AbstractRemoveStepHandler;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.ExtensionContext;
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.PersistentResourceDefinition;
import org.jboss.as.controller.ReloadRequiredWriteAttributeHandler;
import org.jboss.as.controller.SimpleAttributeDefinition;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.as.controller.registry.Resource;
import org.jboss.as.controller.services.path.PathResourceDefinition;
import org.jboss.as.controller.services.path.ResolvePathHandler;
import org.jboss.as.server.ServerEnvironment;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
/**
* @author <a href="http://jmesnil.net/">Jeff Mesnil</a> (c) 2014 Red Hat inc.
*/
public class PathDefinition extends PersistentResourceDefinition {
static final String DEFAULT_RELATIVE_TO = ServerEnvironment.SERVER_DATA_DIR;
// base attribute for the 4 messaging path subresources.
// each one define a different default values. Their respective attributes are accessed through the PATHS map.
private static final SimpleAttributeDefinition PATH_BASE = create(PathResourceDefinition.PATH)
.setAllowExpression(true)
.setRequired(false)
.setRestartAllServices()
.build();
public static final SimpleAttributeDefinition RELATIVE_TO = create(PathResourceDefinition.RELATIVE_TO)
.setDefaultValue(new ModelNode(DEFAULT_RELATIVE_TO))
.setRequired(false)
.setRestartAllServices()
.build();
protected static final Map<String, SimpleAttributeDefinition> PATHS = new HashMap<String, SimpleAttributeDefinition>();
private static final String DEFAULT_PATH = "activemq";
static final String DEFAULT_BINDINGS_DIR = DEFAULT_PATH + File.separator + "bindings";
static final String DEFAULT_JOURNAL_DIR = DEFAULT_PATH + File.separator + "journal";
static final String DEFAULT_LARGE_MESSAGE_DIR = DEFAULT_PATH + File.separator + "largemessages";
static final String DEFAULT_PAGING_DIR = DEFAULT_PATH + File.separator + "paging";
static {
PATHS.put(BINDINGS_DIRECTORY, create(PATH_BASE).setDefaultValue(new ModelNode(DEFAULT_BINDINGS_DIR)).build());
PATHS.put(JOURNAL_DIRECTORY, create(PATH_BASE).setDefaultValue(new ModelNode(DEFAULT_JOURNAL_DIR)).build());
PATHS.put(LARGE_MESSAGES_DIRECTORY, create(PATH_BASE).setDefaultValue(new ModelNode(DEFAULT_LARGE_MESSAGE_DIR)).build());
PATHS.put(PAGING_DIRECTORY, create(PATH_BASE).setDefaultValue(new ModelNode(DEFAULT_PAGING_DIR)).build());
}
static final OperationStepHandler PATH_ADD = new OperationStepHandler() {
@Override
public void execute(final OperationContext context, final ModelNode operation) throws OperationFailedException {
final Resource resource = context.createResource(PathAddress.EMPTY_ADDRESS);
final ModelNode model = resource.getModel();
final String path = PathAddress.pathAddress(operation.require(OP_ADDR)).getLastElement().getValue();
for (AttributeDefinition attribute : getAttributes(path)) {
attribute.validateAndSet(operation, model);
}
reloadRequiredStep(context);
}
};
static final OperationStepHandler PATH_REMOVE = new AbstractRemoveStepHandler() {
@Override
protected void performRemove(OperationContext context, ModelNode operation, ModelNode model) throws OperationFailedException {
super.performRemove(context, operation, model);
reloadRequiredStep(context);
}
};
private final PathElement path;
static final AttributeDefinition[] getAttributes(final String path) {
return new AttributeDefinition[] { PATHS.get(path), RELATIVE_TO };
}
static final PathDefinition BINDINGS_INSTANCE = new PathDefinition(MessagingExtension.BINDINGS_DIRECTORY_PATH);
static final PathDefinition LARGE_MESSAGES_INSTANCE = new PathDefinition(MessagingExtension.LARGE_MESSAGES_DIRECTORY_PATH);
static final PathDefinition PAGING_INSTANCE = new PathDefinition(MessagingExtension.PAGING_DIRECTORY_PATH);
static final PathDefinition JOURNAL_INSTANCE = new PathDefinition(MessagingExtension.JOURNAL_DIRECTORY_PATH);
public PathDefinition(PathElement path) {
super(path,
MessagingExtension.getResourceDescriptionResolver(ModelDescriptionConstants.PATH),
PATH_ADD,
PATH_REMOVE);
this.path = path;
}
@Override
public Collection<AttributeDefinition> getAttributes() {
return Arrays.asList(getAttributes(getPathElement().getValue()));
}
@Override
public void registerAttributes(ManagementResourceRegistration registry) {
AttributeDefinition[] attributes = getAttributes(path.getValue());
OperationStepHandler attributeHandler = new ReloadRequiredWriteAttributeHandler(attributes);
for (AttributeDefinition attribute : attributes) {
registry.registerReadWriteAttribute(attribute, null, attributeHandler);
}
}
// TODO add @Override once the WFCORE version with this method is integrated
public int getMinOccurs() {
return 1;
}
protected static void registerResolveOperationHandler(ExtensionContext context, ManagementResourceRegistration registry) {
if (context.getProcessType().isServer()) {
final ResolvePathHandler resolvePathHandler = ResolvePathHandler.Builder.of(context.getPathManager())
.setPathAttribute(PATHS.get(registry.getPathAddress().getLastElement().getValue()))
.setRelativeToAttribute(PathDefinition.RELATIVE_TO)
.setCheckAbsolutePath(true)
.build();
registry.registerOperationHandler(resolvePathHandler.getOperationDefinition(), resolvePathHandler);
}
}
static void reloadRequiredStep(final OperationContext context) {
if(context.isNormalServer()) {
context.addStep(new OperationStepHandler() {
@Override
public void execute(final OperationContext context, final ModelNode operation) throws OperationFailedException {
final ServiceName serviceName = MessagingServices.getActiveMQServiceName(PathAddress.pathAddress(operation.get(ModelDescriptionConstants.OP_ADDR)));
final ServiceController<?> controller = context.getServiceRegistry(false).getService(serviceName);
OperationContext.RollbackHandler rh;
if(controller != null) {
context.reloadRequired();
rh = OperationContext.RollbackHandler.REVERT_RELOAD_REQUIRED_ROLLBACK_HANDLER;
} else {
rh = OperationContext.RollbackHandler.NOOP_ROLLBACK_HANDLER;
}
context.completeStep(rh);
}
}, OperationContext.Stage.RUNTIME);
}
}
}