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package com.sun.ejb.containers;

import com.sun.ejb.Container;
import com.sun.ejb.ContainerFactory;
import com.sun.enterprise.security.SecurityManager;
import javax.inject.Singleton;
import org.glassfish.api.deployment.DeploymentContext;
import org.glassfish.ejb.deployment.descriptor.EjbDescriptor;
import org.glassfish.ejb.deployment.descriptor.EjbSessionDescriptor;
import org.jvnet.hk2.annotations.Service;

@Service(name = "SingletonContainerFactory")
@Singleton
public class SingletonContainerFactory extends BaseContainerFactory
        implements ContainerFactory {
    @Override
    public Container createContainer(EjbDescriptor ejbDescriptor,
                                     ClassLoader loader,
                                     DeploymentContext deployContext)
            throws Exception {
        // EjbApplication got this ContainerFactory by ejbDescriptor type
        // hence we can always cast
        assert ejbDescriptor instanceof EjbSessionDescriptor;
        EjbSessionDescriptor sd = (EjbSessionDescriptor) ejbDescriptor;
        AbstractSingletonContainer container;
        SecurityManager sm = getSecurityManager(ejbDescriptor);
        if (sd.hasContainerManagedConcurrency()) {
            container = new CMCSingletonContainer(ejbDescriptor, loader, sm);
        } else {
            container = new BMCSingletonContainer(ejbDescriptor, loader, sm);
        }
        container.initializeHome();
        return container;
    }
}