Examples with WildconnectHandler com.sun.jna.platform.win32.DdemlUtil.WildconnectHandler used on opensource projects

Example 1 with WildconnectHandler

use of com.sun.jna.platform.win32.DdemlUtil.WildconnectHandler in project jna by java-native-access.

the class DdemlUtilTest method testConnectListDisconnectListQueryNextServer.

@Test
public void testConnectListDisconnectListQueryNextServer() throws InterruptedException {
    final String serviceName = "TestService";
    final String topicName = "TestTopic";
    final CountDownLatch connectLatch1 = new CountDownLatch(1);
    final CountDownLatch disconnectLatch1 = new CountDownLatch(1);
    final CountDownLatch connectLatch2 = new CountDownLatch(1);
    final CountDownLatch disconnectLatch2 = new CountDownLatch(1);
    StandaloneDdeClient client = null;
    StandaloneDdeClient server1 = null;
    StandaloneDdeClient server2 = null;
    try {
        client = new StandaloneDdeClient() {

            {
                this.initialize(Ddeml.APPCMD_CLIENTONLY | Ddeml.CBF_SKIP_REGISTRATIONS | Ddeml.CBF_SKIP_UNREGISTRATIONS);
            }
        };
        class Server extends StandaloneDdeClient {

            private final CountDownLatch connectLatch;

            private final CountDownLatch disconnectLatch;

            private final ConnectHandler connectHandler = new ConnectHandler() {

                public boolean onConnect(int transactionType, HSZ topic, HSZ service, Ddeml.CONVCONTEXT convcontext, boolean sameInstance) {
                    return topicName.equals(queryString(topic));
                }
            };

            private final ConnectConfirmHandler connectConfirmHandler = new ConnectConfirmHandler() {

                public void onConnectConfirm(int transactionType, Ddeml.HCONV hconv, HSZ topic, HSZ service, boolean sameInstance) {
                    if (topicName.equals(queryString(topic))) {
                        connectLatch.countDown();
                    }
                }
            };

            private final DisconnectHandler disconnectHandler = new DisconnectHandler() {

                public void onDisconnect(int transactionType, HCONV hconv, boolean sameInstance) {
                    disconnectLatch.countDown();
                }
            };

            private final WildconnectHandler wildconnectHandler = new WildconnectHandler() {

                public List<Ddeml.HSZPAIR> onWildconnect(int transactionType, HSZ topic, HSZ service, Ddeml.CONVCONTEXT convcontext, boolean sameInstance) {
                    return Collections.singletonList(new Ddeml.HSZPAIR(service, topic));
                }
            };

            public Server(CountDownLatch connectLatch, CountDownLatch disconnectLatch) {
                registerConnectHandler(connectHandler);
                registerConnectConfirmHandler(connectConfirmHandler);
                registerDisconnectHandler(disconnectHandler);
                registerWildconnectHandler(wildconnectHandler);
                this.initialize(Ddeml.APPCMD_FILTERINITS | Ddeml.CBF_SKIP_REGISTRATIONS | Ddeml.CBF_SKIP_UNREGISTRATIONS);
                this.connectLatch = connectLatch;
                this.disconnectLatch = disconnectLatch;
            }
        }
        ;
        server1 = new Server(connectLatch1, disconnectLatch1);
        server2 = new Server(connectLatch2, disconnectLatch2);
        server1.nameService(serviceName, Ddeml.DNS_REGISTER);
        server2.nameService(serviceName, Ddeml.DNS_REGISTER);
        DdemlUtil.IDdeConnectionList connectionList = client.connectList(serviceName, topicName, null, null);
        IDdeConnection con1 = connectionList.queryNextServer(null);
        assertNotNull(con1);
        IDdeConnection con2 = connectionList.queryNextServer(con1);
        assertNotNull(con2);
        IDdeConnection con3 = connectionList.queryNextServer(con2);
        assertNull(con3);
        connectionList.close();
        assertTrue(connectLatch1.await(5, TimeUnit.SECONDS));
        assertTrue(connectLatch2.await(5, TimeUnit.SECONDS));
        assertTrue(disconnectLatch1.await(5, TimeUnit.SECONDS));
        assertTrue(disconnectLatch2.await(5, TimeUnit.SECONDS));
    } finally {
        closeQuitely(client);
        closeQuitely(server1);
        closeQuitely(server2);
    }
}