Examples with BeanType org.apache.openejb.BeanType used on opensource projects

Example 6 with BeanType

use of org.apache.openejb.BeanType in project tomee by apache.

the class BaseSessionContext method getBusinessObject.

public Object getBusinessObject(final Class interfce) {
    doCheck(Call.getBusinessObject);
    if (interfce == null) {
        throw new IllegalStateException("Interface argument cannot me null.");
    }
    final ThreadContext threadContext = ThreadContext.getThreadContext();
    final BeanContext di = threadContext.getBeanContext();
    final InterfaceType interfaceType = di.getInterfaceType(interfce);
    final BeanType type = di.getComponentType();
    if (interfaceType == null) {
        throw new IllegalStateException("Component has no such interface: " + interfce.getName());
    }
    if (!interfaceType.isBusiness()) {
        throw new IllegalStateException("Interface is not a business interface for this bean: " + interfce.getName());
    }
    try {
        final EjbObjectProxyHandler handler;
        switch(di.getComponentType()) {
            case STATEFUL:
                {
                    handler = new StatefulEjbObjectHandler(di, threadContext.getPrimaryKey(), interfaceType, new ArrayList<Class>(), interfce);
                    break;
                }
            case STATELESS:
                {
                    handler = new StatelessEjbObjectHandler(di, threadContext.getPrimaryKey(), interfaceType, new ArrayList<Class>(), interfce);
                    break;
                }
            case SINGLETON:
                {
                    handler = new SingletonEjbObjectHandler(di, threadContext.getPrimaryKey(), interfaceType, new ArrayList<Class>(), interfce);
                    break;
                }
            case MANAGED:
                {
                    handler = new ManagedObjectHandler(di, threadContext.getPrimaryKey(), interfaceType, new ArrayList<Class>(), interfce);
                    break;
                }
            default:
                throw new IllegalStateException("Bean is not a session bean: " + di.getComponentType());
        }
        if (InterfaceType.LOCALBEAN.equals(interfaceType)) {
            return LocalBeanProxyFactory.constructProxy(di.get(BeanContext.ProxyClass.class).getProxy(), handler);
        } else {
            final List<Class> interfaces = new ArrayList<Class>();
            interfaces.addAll(di.getInterfaces(interfaceType));
            interfaces.add(Serializable.class);
            interfaces.add(IntraVmProxy.class);
            if (BeanType.STATEFUL.equals(type) || BeanType.MANAGED.equals(type)) {
                interfaces.add(BeanContext.Removable.class);
            }
            return ProxyManager.newProxyInstance(interfaces.toArray(new Class[interfaces.size()]), handler);
        }
    } catch (final IllegalAccessException iae) {
        throw new InternalErrorException("Could not create IVM proxy for " + interfce.getName() + " interface", iae);
    }
}