/jboss-as-7.1.1.Final/messaging/src/main/java/org/jboss/as/messaging/AddressSettingsWriteHandler.java
Java | 100 lines | 63 code | 12 blank | 25 comment | 9 complexity | f972e41ac32770f60d177d2f3ed6af39 MD5 | raw file
Possible License(s): LGPL-2.1, Apache-2.0
- /*
- * 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.messaging;
- import org.jboss.as.controller.AbstractWriteAttributeHandler;
- import java.util.EnumSet;
- import org.hornetq.core.server.HornetQServer;
- import org.hornetq.core.settings.HierarchicalRepository;
- import org.hornetq.core.settings.impl.AddressSettings;
- 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.descriptions.ModelDescriptionConstants;
- import org.jboss.as.controller.registry.AttributeAccess;
- import org.jboss.as.controller.registry.ManagementResourceRegistration;
- import org.jboss.as.controller.registry.Resource;
- import org.jboss.dmr.ModelNode;
- /**
- * @author Emanuel Muckenhuber
- */
- class AddressSettingsWriteHandler extends AbstractWriteAttributeHandler<AddressSettingsWriteHandler.RevertHandback> {
- static final AddressSettingsWriteHandler INSTANCE = new AddressSettingsWriteHandler();
- public void registerAttributes(final ManagementResourceRegistration registry, boolean registerRuntimeOnly) {
- final EnumSet<AttributeAccess.Flag> flags = EnumSet.of(AttributeAccess.Flag.RESTART_NONE);
- for (AttributeDefinition attr : AddressSettingAdd.ATTRIBUTES) {
- if (registerRuntimeOnly || !attr.getFlags().contains(AttributeAccess.Flag.STORAGE_RUNTIME)) {
- registry.registerReadWriteAttribute(attr.getName(), null, this, flags);
- }
- }
- }
- protected AddressSettingsWriteHandler() {
- super(AddressSettingAdd.ATTRIBUTES);
- }
- @Override
- protected boolean applyUpdateToRuntime(final OperationContext context, final ModelNode operation, final String attributeName, final ModelNode resolvedValue,
- final ModelNode currentValue, final HandbackHolder<RevertHandback> handbackHolder) throws OperationFailedException {
- final Resource resource = context.readResourceForUpdate(PathAddress.EMPTY_ADDRESS);
- final HornetQServer server = AddressSettingAdd.getServer(context, operation);
- if(server != null) {
- final ModelNode model = resource.getModel();
- final PathAddress address = PathAddress.pathAddress(operation.require(ModelDescriptionConstants.OP_ADDR));
- final AddressSettings settings = AddressSettingAdd.createSettings(context, model);
- final HierarchicalRepository<AddressSettings> repository = server.getAddressSettingsRepository();
- final String match = address.getLastElement().getValue();
- final AddressSettings existingSettings = repository.getMatch(match);
- repository.addMatch(match, settings);
- if(existingSettings != null) {
- handbackHolder.setHandback(new RevertHandback() {
- @Override
- public void doRevertUpdateToRuntime() {
- // Restore the old settings
- repository.addMatch(address.getLastElement().getValue(), existingSettings);
- }
- });
- }
- }
- return false;
- }
- @Override
- protected void revertUpdateToRuntime(final OperationContext context, final ModelNode operation, final String attributeName, final ModelNode valueToRestore,
- final ModelNode valueToRevert, final RevertHandback handback) throws OperationFailedException {
- if(handback != null) {
- handback.doRevertUpdateToRuntime();
- }
- }
- static interface RevertHandback {
- void doRevertUpdateToRuntime();
- }
- }