com.sun.ejb.containers.BMCSingletonContainer Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of payara-client Show documentation
Appclient for Payara Server
The newest version!
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2013 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */
// Portions Copyright [2016-2018] [Payara Foundation and/or its affiliates]

package com.sun.ejb.containers;

import com.sun.ejb.ComponentContext;
import com.sun.ejb.EjbInvocation;
import com.sun.enterprise.security.SecurityManager;
import java.util.concurrent.atomic.AtomicInteger;
import org.glassfish.ejb.deployment.descriptor.EjbDescriptor;

/**
 * @author Mahesh Kannan
 */
public class BMCSingletonContainer
        extends AbstractSingletonContainer {

    private final AtomicInteger invCount = new AtomicInteger(0);

    public BMCSingletonContainer(EjbDescriptor desc, ClassLoader cl, SecurityManager sm)
            throws Exception {
        super(desc, cl, sm);
    }

    @Override
    protected ComponentContext _getContext(EjbInvocation inv) {
        super._getContext(inv);

        synchronized (invCount) {
            invCount.incrementAndGet();
            ((SingletonContextImpl) singletonCtx).setState(EJBContextImpl.BeanState.INVOKING);
        }
        
        //For now return this as we support only BMC
        return singletonCtx;
    }

    @Override
    public void releaseContext(EjbInvocation inv) {
        super.releaseContext(inv);

        synchronized (invCount) {
            int val = invCount.decrementAndGet();
            if (val == 0) {
                ((SingletonContextImpl) singletonCtx).setState(EJBContextImpl.BeanState.READY);
            }
        }
    }

}