/jboss-as-7.1.1.Final/osgi/service/src/main/java/org/jboss/as/osgi/parser/StartLevelHandler.java
Java | 72 lines | 37 code | 7 blank | 28 comment | 5 complexity | 1c8ccd338d9f8473745e861ab3fc39a3 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.osgi.parser;
- import org.jboss.as.controller.OperationContext;
- import org.jboss.as.controller.OperationFailedException;
- import org.jboss.as.controller.OperationStepHandler;
- import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
- import org.jboss.dmr.ModelNode;
- import org.jboss.msc.service.ServiceController;
- import org.jboss.osgi.framework.Services;
- import org.osgi.service.startlevel.StartLevel;
- /**
- * Handles the framework start level.
- *
- * @author David Bosschaert
- */
- abstract class StartLevelHandler implements OperationStepHandler {
- static final StartLevelHandler READ_HANDLER = new StartLevelHandler() {
- @Override
- void invokeOperation(StartLevel sls, OperationContext context, ModelNode operation) {
- int sl = sls.getStartLevel();
- context.getResult().set(sl);
- }
- };
- static final StartLevelHandler WRITE_HANDLER = new StartLevelHandler() {
- @Override
- void invokeOperation(StartLevel sls, OperationContext context, ModelNode operation) {
- int targetStartLevel = operation.require(ModelDescriptionConstants.VALUE).asInt();
- sls.setStartLevel(targetStartLevel);
- }
- };
- @Override
- public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
- ServiceController<?> svc = context.getServiceRegistry(false).getRequiredService(Services.START_LEVEL);
- if (svc == null || svc.getState() != ServiceController.State.UP) {
- // non-metric read-attribute handlers should not fail
- // OSGiMessages.MESSAGES.osgiSubsystemNotActive()
- context.getResult().set(new ModelNode());
- } else {
- StartLevel sls = (StartLevel) svc.getValue();
- invokeOperation(sls, context, operation);
- }
- context.completeStep();
- }
- abstract void invokeOperation(StartLevel sls, OperationContext context, ModelNode operation);
- }