Examples with PlcConnection org.apache.plc4x.java.api.PlcConnection used on opensource projects

Example 11 with PlcConnection

use of org.apache.plc4x.java.api.PlcConnection in project plc4x by apache.

the class CachedDriverManagerMT method borrowAndDontReturn.

@Test
void borrowAndDontReturn() throws InterruptedException {
    ScheduledExecutorService pool = Executors.newScheduledThreadPool(4);
    PooledDriverManager driverManager = new PooledDriverManager();
    for (int i = 1; i <= 10_000; i++) {
        pool.submit(() -> {
            try {
                PlcConnection conn = driverManager.getConnection(PLC_IP);
                System.out.println("Successfully got a Connection...");
                PlcReadResponse response = conn.readRequestBuilder().addItem("asdf", "%DB444:14.0:BOOL").build().execute().get(500, TimeUnit.MILLISECONDS);
                System.out.println("Response: " + response.getBoolean("asdf"));
            } catch (PlcConnectionException | InterruptedException | ExecutionException | TimeoutException e) {
            // Intentionally do Nothing...
            }
        });
        Thread.sleep(1);
    }
    pool.shutdown();
    pool.awaitTermination(1, TimeUnit.DAYS);
}

Example 12 with PlcConnection

use of org.apache.plc4x.java.api.PlcConnection in project plc4x by apache.

the class CachedDriverManagerTest method useClosedConnection.

@Test
void useClosedConnection() throws Exception {
    PlcConnectionFactory mock = Mockito.mock(PlcConnectionFactory.class);
    CachedDriverManager driverManager = new CachedDriverManager("", mock);
    // Get Connmection
    PlcConnection connection = driverManager.getConnection("");
    // Close the Connection
    connection.close();
    assertThrows(IllegalStateException.class, () -> connection.readRequestBuilder());
}

Example 13 with PlcConnection

use of org.apache.plc4x.java.api.PlcConnection in project plc4x by apache.

the class CachedDriverManagerTest method twoRequests_firstTakesLong_secondsTimesOut.

@Test
@Disabled
void twoRequests_firstTakesLong_secondsTimesOut() throws PlcConnectionException, InterruptedException, ExecutionException, TimeoutException {
    PlcConnectionFactory mock = Mockito.mock(PlcConnectionFactory.class);
    MockConnection plcMockConnection = mock(MockConnection.class);
    when(mock.create()).thenReturn(plcMockConnection);
    when(plcMockConnection.readRequestBuilder()).thenReturn(Mockito.mock(PlcReadRequest.Builder.class));
    CachedDriverManager driverManager = new CachedDriverManager("", mock, 5_000);
    CompletableFuture<PlcConnection> future1 = CompletableFuture.supplyAsync(() -> {
        try {
            return driverManager.getConnection("");
        } catch (PlcConnectionException e) {
            throw new RuntimeException();
        }
    });
    CompletableFuture<PlcConnection> future2 = CompletableFuture.supplyAsync(() -> {
        try {
            return driverManager.getConnection("");
        } catch (PlcConnectionException e) {
            throw new RuntimeException();
        }
    });
    PlcConnection conn1 = future1.get(1, TimeUnit.SECONDS);
    assertThrows(Exception.class, () -> future2.get());
}

Example 14 with PlcConnection

use of org.apache.plc4x.java.api.PlcConnection in project plc4x by apache.

the class CachedDriverManagerTest method killBorrowedConnectionWhenRunningLong.

@Test
void killBorrowedConnectionWhenRunningLong() throws PlcConnectionException, InterruptedException {
    PlcConnectionFactory mock = Mockito.mock(PlcConnectionFactory.class);
    MockConnection plcMockConnection = mock(MockConnection.class);
    when(mock.create()).thenReturn(plcMockConnection);
    when(plcMockConnection.readRequestBuilder()).thenReturn(Mockito.mock(PlcReadRequest.Builder.class));
    CachedDriverManager driverManager = new CachedDriverManager("", mock);
    // Get Connmection
    PlcConnection connection = driverManager.getConnection("");
    // This should work
    connection.readRequestBuilder();
    TimeUnit.SECONDS.sleep(6);
    // If we wait to long, the connection should become invalid
    assertThrows(IllegalStateException.class, () -> connection.readRequestBuilder());
    // And the Pool should once again have a connection
    assertThat(driverManager.getState()).isEqualTo(CachedDriverManager.ConnectionState.DISCONNECTED);
}

Example 15 with PlcConnection

use of org.apache.plc4x.java.api.PlcConnection in project plc4x by apache.

the class CachedDriverManagerTest method multipleRequests_allbutfirstFail.

@Test
void multipleRequests_allbutfirstFail() throws PlcException {
    PlcConnectionFactory mock = Mockito.mock(PlcConnectionFactory.class);
    MockConnection plcMockConnection = mock(MockConnection.class);
    when(mock.create()).thenReturn(plcMockConnection);
    when(plcMockConnection.readRequestBuilder()).thenReturn(Mockito.mock(PlcReadRequest.Builder.class));
    CachedDriverManager driverManager = new CachedDriverManager("", mock);
    // Get Connmection
    PlcConnection connection = driverManager.getConnection("");
    // Try to get another one -> should failt
    assertThrows(PlcConnectionException.class, () -> driverManager.getConnection(""));
}