/jboss-as-7.1.1.Final/ejb3/src/main/java/org/jboss/as/ejb3/component/singleton/SingletonComponentInstanceAssociationInterceptor.java
Java | 55 lines | 22 code | 6 blank | 27 comment | 2 complexity | 658f4b19d1c6435373dac033f634322e MD5 | raw file
Possible License(s): LGPL-2.1, Apache-2.0
- /*
- * JBoss, Home of Professional Open Source.
- * Copyright 2010, 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.ejb3.component.singleton;
- import org.jboss.as.ee.component.ComponentInstance;
- import org.jboss.as.ejb3.component.interceptors.AbstractEJBInterceptor;
- import org.jboss.invocation.ImmediateInterceptorFactory;
- import org.jboss.invocation.InterceptorContext;
- import org.jboss.invocation.InterceptorFactory;
- import static org.jboss.as.ejb3.EjbMessages.MESSAGES;
- /**
- * Responsible for associating the single component instance for a singleton bean during invocation.
- *
- * @author Jaikiran Pai
- */
- public class SingletonComponentInstanceAssociationInterceptor extends AbstractEJBInterceptor {
- public static final InterceptorFactory FACTORY = new ImmediateInterceptorFactory(new SingletonComponentInstanceAssociationInterceptor());
- private SingletonComponentInstanceAssociationInterceptor() {
- }
- @Override
- public Object processInvocation(InterceptorContext interceptorContext) throws Exception {
- SingletonComponent singletonComponent = getComponent(interceptorContext, SingletonComponent.class);
- // get the component instance
- ComponentInstance singletonComponentInstance = singletonComponent.getComponentInstance();
- if (singletonComponent == null) {
- throw MESSAGES.componentInstanceNotAvailable(interceptorContext);
- }
- interceptorContext.putPrivateData(ComponentInstance.class, singletonComponentInstance);
- return interceptorContext.proceed();
- }
- }