callbacktestcase.java

OpenJMS是一个开源的Java Message Service API 1.0.2 规范的实现,它包含有以下特性： *. 它既支持点到点（point-to-point）（PTP）模型和发布/订

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 *
 * $Id: CallbackTestCase.java,v 1.6 2005/05/24 05:48:30 tanderson Exp $
 */
package org.exolab.jms.net.invoke;

import java.util.Map;

import org.exolab.jms.net.Callback;
import org.exolab.jms.net.CallbackService;
import org.exolab.jms.net.CallbackServiceImpl;
import org.exolab.jms.net.orb.ORB;
import org.exolab.jms.net.proxy.Proxy;
import org.exolab.jms.net.registry.Registry;


/**
 * Tests callbacks.
 *
 * @author <a href="mailto:[e-mail]">Tim Anderson</a>
 * @version $Revision: 1.6 $ $Date: 2005/05/24 05:48:30 $
 */
public abstract class CallbackTestCase extends ORBTestCase {

    /**
     * The callback service.
     */
    private CallbackServiceImpl _service = new CallbackServiceImpl();

    /**
     * Callback service name.
     */
    private static final String CALLBACK_SERVICE = "callback";


    /**
     * Construct a new <code>CallbackTestCase</code>.
     *
     * @param name the name of test case
     * @param uri  the server export URI
     */
    public CallbackTestCase(String name, String uri) {
        super(name, uri);
    }

    /**
     * Construct a new <code>CallbackTestCase</code>.
     *
     * @param name       the name of test case
     * @param uri        the server export URI
     * @param properties connection properties. May be <code>null</code>
     */
    public CallbackTestCase(String name, String uri, Map properties) {
        super(name, uri, properties);
    }

    /**
     * Construct a new <code>CallbackTestCase</code>.
     *
     * @param name     the name of test case
     * @param uri      the server export URI
     * @param routeURI the route URI
     */
    public CallbackTestCase(String name, String uri, String routeURI) {
        super(name, uri, routeURI);
    }

    /**
     * Construct a new <code>CallbackTestCase</code>.
     *
     * @param name       the name of test case
     * @param uri        the export URI
     * @param routeURI   the route URI
     * @param properties connection properties. May be <code>null</code>
     */
    public CallbackTestCase(String name, String uri, String routeURI,
                            Map properties) {
        super(name, uri, routeURI, properties);
    }

    /**
     * Construct a new <code>CallbackTestCase</code>.
     *
     * @param name            the name of test case
     * @param uri             the export URI
     * @param routeURI        the route URI
     * @param connectionProps connection properties. May be <code>null</code>
     * @param acceptorProps   acceptor properites. May be <code>null</code>
     */
    public CallbackTestCase(String name, String uri, String routeURI,
                            Map connectionProps, Map acceptorProps) {
        super(name, uri, routeURI, connectionProps, acceptorProps);
    }

    /**
     * Tests a single callback.
     *
     * @throws Exception for any error
     */
    public void testCallback() throws Exception {
        final int count = 10;
        ORB client = getClientORB();
        Registry registry = client.getRegistry(getConnectionProperties());
        CallbackService service =
                (CallbackService) registry.lookup(CALLBACK_SERVICE);

        LoggingCallback callback = new LoggingCallback();
        Callback proxy = (Callback) client.exportObjectTo(callback,
                                                          getServerURI());
        service.addCallback(proxy);

        for (int i = 0; i < count; ++i) {
            _service.invoke(new Integer(i));
        }

        Integer[] objects = (Integer[]) callback.getObjects().toArray(
                new Integer[0]);
        assertEquals(count, objects.length);
        for (int i = 0; i < count; ++i) {
            assertEquals(i, objects[i].intValue());
        }
    }

    /**
     * Tests callback recursion.
     *
     * @throws Exception for any error
     */
    public void testRecursion() throws Exception {
        final int count = 10;
        final int depth = 4; // recursion depth

        ORB client = getClientORB();
        Registry registry = client.getRegistry(getConnectionProperties());
        CallbackService service =
                (CallbackService) registry.lookup(CALLBACK_SERVICE);

        RecursiveCallback callback = new RecursiveCallback(service, depth);
        Callback proxy = (Callback) client.exportObjectTo(callback,
                                                          getServerURI());
        service.addCallback(proxy);

        for (int i = 0; i < count; ++i) {
            _service.invoke(new Integer(i));
        }

        Integer[] objects = (Integer[]) callback.getObjects().toArray(
                new Integer[0]);
        assertEquals(count * depth, objects.length);
        for (int i = 0, index = 0; i < count; ++i) {
            for (int j = 0; j < depth; ++j, ++index) {
                assertEquals(i, objects[index].intValue());
            }
        }
    }

    /**
     * Sets up the test case.
     *
     * @throws Exception for any error
     */
    protected void setUp() throws Exception {
        super.setUp();

        ORB server = getORB();
        Proxy proxy = server.exportObject(_service);
        server.getRegistry().bind(CALLBACK_SERVICE, proxy);
    }

}