Example usage for org.springframework.amqp.rabbit.connection CachingConnectionFactory CachingConnectionFactory

List of usage examples for org.springframework.amqp.rabbit.connection CachingConnectionFactory CachingConnectionFactory

Introduction

In this page you can find the example usage for org.springframework.amqp.rabbit.connection CachingConnectionFactory CachingConnectionFactory.

Prototype

public CachingConnectionFactory(com.rabbitmq.client.ConnectionFactory rabbitConnectionFactory) 

Source Link

Document

Create a new CachingConnectionFactory for the given target ConnectionFactory.

Usage

From source file:org.springframework.amqp.rabbit.connection.CachingConnectionFactoryTests.java

@Test
public void testCheckoutLimitWithRelease() throws IOException, Exception {
    com.rabbitmq.client.ConnectionFactory mockConnectionFactory = mock(
            com.rabbitmq.client.ConnectionFactory.class);
    com.rabbitmq.client.Connection mockConnection = mock(com.rabbitmq.client.Connection.class);
    Channel mockChannel1 = mock(Channel.class);

    when(mockConnectionFactory.newConnection(any(ExecutorService.class), anyString()))
            .thenReturn(mockConnection);
    when(mockConnection.createChannel()).thenReturn(mockChannel1);
    when(mockConnection.isOpen()).thenReturn(true);

    // Called during physical close
    when(mockChannel1.isOpen()).thenReturn(true);

    CachingConnectionFactory ccf = new CachingConnectionFactory(mockConnectionFactory);
    ccf.setExecutor(mock(ExecutorService.class));
    ccf.setChannelCacheSize(1);// w w w  . j  a v  a  2 s .c o  m
    ccf.setChannelCheckoutTimeout(10000);

    final Connection con = ccf.createConnection();

    final AtomicReference<Channel> channelOne = new AtomicReference<Channel>();
    final CountDownLatch latch = new CountDownLatch(1);

    new Thread(() -> {
        Channel channel1 = con.createChannel(false);
        latch.countDown();
        channelOne.set(channel1);
        try {
            Thread.sleep(100);
            channel1.close();
        } catch (InterruptedException e1) {
            Thread.currentThread().interrupt();
        } catch (IOException e2) {
        } catch (TimeoutException e3) {
        }
    }).start();

    assertTrue(latch.await(10, TimeUnit.SECONDS));
    Channel channel2 = con.createChannel(false);
    assertSame(channelOne.get(), channel2);

    channel2.close();

    verify(mockConnection, never()).close();
    verify(mockChannel1, never()).close();

    ccf.destroy();
}

From source file:org.springframework.amqp.rabbit.connection.CachingConnectionFactoryTests.java

@Test
public void testReleaseWithForcedPhysicalClose() throws Exception {
    com.rabbitmq.client.ConnectionFactory mockConnectionFactory = mock(
            com.rabbitmq.client.ConnectionFactory.class);
    com.rabbitmq.client.Connection mockConnection1 = mock(com.rabbitmq.client.Connection.class);
    Channel mockChannel1 = mock(Channel.class);

    when(mockConnectionFactory.newConnection(any(ExecutorService.class), anyString()))
            .thenReturn(mockConnection1);
    when(mockConnection1.createChannel()).thenReturn(mockChannel1);
    when(mockConnection1.isOpen()).thenReturn(true);

    when(mockChannel1.isOpen()).thenReturn(true);

    CachingConnectionFactory ccf = new CachingConnectionFactory(mockConnectionFactory);
    ccf.setExecutor(mock(ExecutorService.class));
    ccf.setChannelCacheSize(1);//from   w w  w.jav  a 2 s .c om
    ccf.setChannelCheckoutTimeout(10);

    Connection con = ccf.createConnection();

    Channel channel1 = con.createChannel(false);
    assertEquals(0, ((Semaphore) TestUtils.getPropertyValue(ccf, "checkoutPermits", Map.class).values()
            .iterator().next()).availablePermits());
    channel1.close();
    con.close();

    assertEquals(1, ((Semaphore) TestUtils.getPropertyValue(ccf, "checkoutPermits", Map.class).values()
            .iterator().next()).availablePermits());

    channel1 = con.createChannel(false);
    RabbitUtils.setPhysicalCloseRequired(channel1, true);
    assertEquals(0, ((Semaphore) TestUtils.getPropertyValue(ccf, "checkoutPermits", Map.class).values()
            .iterator().next()).availablePermits());

    channel1.close();
    RabbitUtils.setPhysicalCloseRequired(channel1, false);
    con.close();
    verify(mockChannel1).close();
    verify(mockConnection1, never()).close();

    assertEquals(1, ((Semaphore) TestUtils.getPropertyValue(ccf, "checkoutPermits", Map.class).values()
            .iterator().next()).availablePermits());

    ccf.destroy();

    assertEquals(1, ((Semaphore) TestUtils.getPropertyValue(ccf, "checkoutPermits", Map.class).values()
            .iterator().next()).availablePermits());

}

From source file:org.springframework.amqp.rabbit.connection.CachingConnectionFactoryTests.java

@Test
public void testDoubleLogicalClose() throws Exception {
    com.rabbitmq.client.ConnectionFactory mockConnectionFactory = mock(
            com.rabbitmq.client.ConnectionFactory.class);
    com.rabbitmq.client.Connection mockConnection1 = mock(com.rabbitmq.client.Connection.class);
    Channel mockChannel1 = mock(Channel.class);

    when(mockConnectionFactory.newConnection(any(ExecutorService.class), anyString()))
            .thenReturn(mockConnection1);
    when(mockConnection1.createChannel()).thenReturn(mockChannel1);
    when(mockConnection1.isOpen()).thenReturn(true);

    when(mockChannel1.isOpen()).thenReturn(true);

    CachingConnectionFactory ccf = new CachingConnectionFactory(mockConnectionFactory);
    ccf.setExecutor(mock(ExecutorService.class));
    ccf.setChannelCacheSize(1);// w  ww  .  j  a  va2s .c  o  m
    ccf.setChannelCheckoutTimeout(10);

    Connection con = ccf.createConnection();

    Channel channel1 = con.createChannel(false);
    assertEquals(0, ((Semaphore) TestUtils.getPropertyValue(ccf, "checkoutPermits", Map.class).values()
            .iterator().next()).availablePermits());
    channel1.close();

    assertEquals(1, ((Semaphore) TestUtils.getPropertyValue(ccf, "checkoutPermits", Map.class).values()
            .iterator().next()).availablePermits());

    channel1.close(); // double close of proxy

    assertEquals(1, ((Semaphore) TestUtils.getPropertyValue(ccf, "checkoutPermits", Map.class).values()
            .iterator().next()).availablePermits());

    con.close();
    verify(mockChannel1, never()).close();
    verify(mockConnection1, never()).close();

    ccf.destroy();

    assertEquals(1, ((Semaphore) TestUtils.getPropertyValue(ccf, "checkoutPermits", Map.class).values()
            .iterator().next()).availablePermits());

}

From source file:org.springframework.amqp.rabbit.connection.CachingConnectionFactoryTests.java

@Test
public void testCacheSizeExceededAfterClose() throws Exception {
    com.rabbitmq.client.ConnectionFactory mockConnectionFactory = mock(
            com.rabbitmq.client.ConnectionFactory.class);
    com.rabbitmq.client.Connection mockConnection = mock(com.rabbitmq.client.Connection.class);
    Channel mockChannel1 = mock(Channel.class);
    Channel mockChannel2 = mock(Channel.class);

    when(mockConnectionFactory.newConnection(any(ExecutorService.class), anyString()))
            .thenReturn(mockConnection);
    when(mockConnection.createChannel()).thenReturn(mockChannel1).thenReturn(mockChannel2);
    when(mockConnection.isOpen()).thenReturn(true);

    // Called during physical close
    when(mockChannel1.isOpen()).thenReturn(true);
    when(mockChannel2.isOpen()).thenReturn(true);

    CachingConnectionFactory ccf = new CachingConnectionFactory(mockConnectionFactory);
    ccf.setExecutor(mock(ExecutorService.class));
    ccf.setChannelCacheSize(1);/*from  w ww  . j av a 2  s . c  om*/

    Connection con = ccf.createConnection();

    Channel channel1 = con.createChannel(false);
    channel1.close(); // should be ignored, and add last into channel cache.
    Channel channel2 = con.createChannel(false);
    channel2.close(); // should be ignored, and add last into channel cache.
    assertSame(channel1, channel2);

    Channel ch1 = con.createChannel(false); // remove first entry in cache
    // (channel1)
    Channel ch2 = con.createChannel(false); // create new channel

    assertNotSame(ch1, ch2);
    assertSame(ch1, channel1);
    assertNotSame(ch2, channel2);

    ch1.close();
    ch2.close();

    verify(mockConnection, times(2)).createChannel();

    con.close(); // should be ignored

    verify(mockConnection, never()).close();
    verify(mockChannel1, never()).close();
    verify(mockChannel2, atLeastOnce()).close();

}

From source file:org.springframework.amqp.rabbit.connection.CachingConnectionFactoryTests.java

@Test
public void testTransactionalAndNonTransactionalChannelsSegregated() throws Exception {
    com.rabbitmq.client.ConnectionFactory mockConnectionFactory = mock(
            com.rabbitmq.client.ConnectionFactory.class);
    com.rabbitmq.client.Connection mockConnection = mock(com.rabbitmq.client.Connection.class);
    Channel mockChannel1 = mock(Channel.class);
    Channel mockChannel2 = mock(Channel.class);

    when(mockConnectionFactory.newConnection(any(ExecutorService.class), anyString()))
            .thenReturn(mockConnection);
    when(mockConnection.createChannel()).thenReturn(mockChannel1).thenReturn(mockChannel2);
    when(mockConnection.isOpen()).thenReturn(true);

    // Called during physical close
    when(mockChannel1.isOpen()).thenReturn(true);
    when(mockChannel2.isOpen()).thenReturn(true);

    CachingConnectionFactory ccf = new CachingConnectionFactory(mockConnectionFactory);
    ccf.setExecutor(mock(ExecutorService.class));
    ccf.setChannelCacheSize(1);//from  w  w  w .j ava2 s  .  c  o m

    Connection con = ccf.createConnection();

    Channel channel1 = con.createChannel(true);
    channel1.txSelect();
    channel1.close(); // should be ignored, and add last into channel cache.
    /*
     * When a channel is created as non-transactional we should create a new one.
     */
    Channel channel2 = con.createChannel(false);
    channel2.close(); // should be ignored, and add last into channel cache.
    assertNotSame(channel1, channel2);

    Channel ch1 = con.createChannel(true); // remove first entry in cache (channel1)
    Channel ch2 = con.createChannel(false); // create new channel

    assertNotSame(ch1, ch2);
    assertSame(ch1, channel1); // The non-transactional one
    assertSame(ch2, channel2);

    ch1.close();
    ch2.close();

    verify(mockConnection, times(2)).createChannel();

    con.close(); // should be ignored

    verify(mockConnection, never()).close();
    verify(mockChannel1, never()).close();
    verify(mockChannel2, never()).close();

    @SuppressWarnings("unchecked")
    List<Channel> notxlist = (List<Channel>) ReflectionTestUtils.getField(ccf,
            "cachedChannelsNonTransactional");
    assertEquals(1, notxlist.size());
    @SuppressWarnings("unchecked")
    List<Channel> txlist = (List<Channel>) ReflectionTestUtils.getField(ccf, "cachedChannelsTransactional");
    assertEquals(1, txlist.size());

}

From source file:org.springframework.amqp.rabbit.connection.CachingConnectionFactoryTests.java

@Test
public void testWithConnectionFactoryDestroy() throws Exception {
    com.rabbitmq.client.ConnectionFactory mockConnectionFactory = mock(
            com.rabbitmq.client.ConnectionFactory.class);
    com.rabbitmq.client.Connection mockConnection1 = mock(com.rabbitmq.client.Connection.class);
    com.rabbitmq.client.Connection mockConnection2 = mock(com.rabbitmq.client.Connection.class);

    Channel mockChannel1 = mock(Channel.class);
    Channel mockChannel2 = mock(Channel.class);
    Channel mockChannel3 = mock(Channel.class);

    assertNotSame(mockChannel1, mockChannel2);

    when(mockConnectionFactory.newConnection(any(ExecutorService.class), anyString()))
            .thenReturn(mockConnection1, mockConnection2);
    when(mockConnection1.createChannel()).thenReturn(mockChannel1, mockChannel2);
    when(mockConnection1.isOpen()).thenReturn(true);
    when(mockConnection2.createChannel()).thenReturn(mockChannel3);
    when(mockConnection2.isOpen()).thenReturn(true);
    // Called during physical close
    when(mockChannel1.isOpen()).thenReturn(true);
    when(mockChannel2.isOpen()).thenReturn(true);
    when(mockChannel3.isOpen()).thenReturn(true);

    CachingConnectionFactory ccf = new CachingConnectionFactory(mockConnectionFactory);
    ccf.setExecutor(mock(ExecutorService.class));
    ccf.setChannelCacheSize(2);// w  ww  . j  av  a  2s .  c o m

    Connection con = ccf.createConnection();

    // This will return a proxy that surpresses calls to close
    Channel channel1 = con.createChannel(false);
    Channel channel2 = con.createChannel(false);

    // Should be ignored, and add last into channel cache.
    channel1.close();
    channel2.close();

    // remove first entry in cache (channel1)
    Channel ch1 = con.createChannel(false);
    // remove first entry in cache (channel2)
    Channel ch2 = con.createChannel(false);

    assertSame(ch1, channel1);
    assertSame(ch2, channel2);

    Channel target1 = ((ChannelProxy) ch1).getTargetChannel();
    Channel target2 = ((ChannelProxy) ch2).getTargetChannel();

    // make sure mokito returned different mocks for the channel
    assertNotSame(target1, target2);

    ch1.close();
    ch2.close();
    con.close(); // should be ignored
    com.rabbitmq.client.Connection conDelegate = targetDelegate(con);

    ccf.destroy(); // should call close on connection and channels in cache

    verify(mockConnection1, times(2)).createChannel();

    verify(mockConnection1).close(anyInt());

    // verify(mockChannel1).close();
    verify(mockChannel2).close();

    // After destroy we can get a new connection
    Connection con1 = ccf.createConnection();
    assertNotSame(conDelegate, targetDelegate(con1));

    // This will return a proxy that surpresses calls to close
    Channel channel3 = con.createChannel(false);
    assertNotSame(channel3, channel1);
    assertNotSame(channel3, channel2);
}

From source file:org.springframework.amqp.rabbit.connection.CachingConnectionFactoryTests.java

@Test
public void testWithConnectionFactoryCachedConnection() throws Exception {
    com.rabbitmq.client.ConnectionFactory mockConnectionFactory = mock(
            com.rabbitmq.client.ConnectionFactory.class);

    final List<com.rabbitmq.client.Connection> mockConnections = new ArrayList<com.rabbitmq.client.Connection>();
    final List<Channel> mockChannels = new ArrayList<Channel>();

    doAnswer(new Answer<com.rabbitmq.client.Connection>() {

        private int connectionNumber;

        @Override// w  ww .j ava2  s .c  o m
        public com.rabbitmq.client.Connection answer(InvocationOnMock invocation) throws Throwable {
            com.rabbitmq.client.Connection connection = mock(com.rabbitmq.client.Connection.class);
            doAnswer(new Answer<Channel>() {

                private int channelNumber;

                @Override
                public Channel answer(InvocationOnMock invocation) throws Throwable {
                    Channel channel = mock(Channel.class);
                    when(channel.isOpen()).thenReturn(true);
                    int channelNumnber = ++this.channelNumber;
                    when(channel.toString())
                            .thenReturn("mockChannel" + connectionNumber + ":" + channelNumnber);
                    mockChannels.add(channel);
                    return channel;
                }
            }).when(connection).createChannel();
            int connectionNumber = ++this.connectionNumber;
            when(connection.toString()).thenReturn("mockConnection" + connectionNumber);
            when(connection.isOpen()).thenReturn(true);
            mockConnections.add(connection);
            return connection;
        }
    }).when(mockConnectionFactory).newConnection(any(ExecutorService.class), anyString());

    CachingConnectionFactory ccf = new CachingConnectionFactory(mockConnectionFactory);
    ccf.setExecutor(mock(ExecutorService.class));
    ccf.setCacheMode(CacheMode.CONNECTION);
    ccf.afterPropertiesSet();

    Set<?> allocatedConnections = TestUtils.getPropertyValue(ccf, "allocatedConnections", Set.class);
    assertEquals(0, allocatedConnections.size());
    BlockingQueue<?> idleConnections = TestUtils.getPropertyValue(ccf, "idleConnections", BlockingQueue.class);
    assertEquals(0, idleConnections.size());

    final AtomicReference<com.rabbitmq.client.Connection> createNotification = new AtomicReference<com.rabbitmq.client.Connection>();
    final AtomicReference<com.rabbitmq.client.Connection> closedNotification = new AtomicReference<com.rabbitmq.client.Connection>();
    ccf.setConnectionListeners(Collections.singletonList(new ConnectionListener() {

        @Override
        public void onCreate(Connection connection) {
            assertNull(createNotification.get());
            createNotification.set(targetDelegate(connection));
        }

        @Override
        public void onClose(Connection connection) {
            assertNull(closedNotification.get());
            closedNotification.set(targetDelegate(connection));
        }
    }));

    Connection con1 = ccf.createConnection();
    verifyConnectionIs(mockConnections.get(0), con1);
    assertEquals(1, allocatedConnections.size());
    assertEquals(0, idleConnections.size());
    assertNotNull(createNotification.get());
    assertSame(mockConnections.get(0), createNotification.getAndSet(null));

    Channel channel1 = con1.createChannel(false);
    verifyChannelIs(mockChannels.get(0), channel1);
    channel1.close();
    //AMQP-358
    verify(mockChannels.get(0), never()).close();

    con1.close(); // should be ignored, and placed into connection cache.
    verify(mockConnections.get(0), never()).close();
    assertEquals(1, allocatedConnections.size());
    assertEquals(1, idleConnections.size());
    assertNull(closedNotification.get());

    /*
     * will retrieve same connection that was just put into cache, and reuse single channel from cache as well
     */
    Connection con2 = ccf.createConnection();
    verifyConnectionIs(mockConnections.get(0), con2);
    Channel channel2 = con2.createChannel(false);
    verifyChannelIs(mockChannels.get(0), channel2);
    channel2.close();
    verify(mockChannels.get(0), never()).close();
    con2.close();
    verify(mockConnections.get(0), never()).close();
    assertEquals(1, allocatedConnections.size());
    assertEquals(1, idleConnections.size());
    assertNull(createNotification.get());

    /*
     * Now check for multiple connections/channels
     */
    con1 = ccf.createConnection();
    verifyConnectionIs(mockConnections.get(0), con1);
    con2 = ccf.createConnection();
    verifyConnectionIs(mockConnections.get(1), con2);
    channel1 = con1.createChannel(false);
    verifyChannelIs(mockChannels.get(0), channel1);
    channel2 = con2.createChannel(false);
    verifyChannelIs(mockChannels.get(1), channel2);
    assertEquals(2, allocatedConnections.size());
    assertEquals(0, idleConnections.size());
    assertNotNull(createNotification.get());
    assertSame(mockConnections.get(1), createNotification.getAndSet(null));

    // put mock1 in cache
    channel1.close();
    verify(mockChannels.get(1), never()).close();
    con1.close();
    verify(mockConnections.get(0), never()).close();
    assertEquals(2, allocatedConnections.size());
    assertEquals(1, idleConnections.size());
    assertNull(closedNotification.get());

    Connection con3 = ccf.createConnection();
    assertNull(createNotification.get());
    verifyConnectionIs(mockConnections.get(0), con3);
    Channel channel3 = con3.createChannel(false);
    verifyChannelIs(mockChannels.get(0), channel3);

    assertEquals(2, allocatedConnections.size());
    assertEquals(0, idleConnections.size());

    channel2.close();
    con2.close();
    assertEquals(2, allocatedConnections.size());
    assertEquals(1, idleConnections.size());
    channel3.close();
    con3.close();
    assertEquals(2, allocatedConnections.size());
    assertEquals(2, idleConnections.size());
    assertEquals("1", ccf.getCacheProperties().get("openConnections"));
    /*
     *  Cache size is 1; con3 (mock1) should have been a real close.
     *  con2 (mock2) should still be in the cache.
     */
    verify(mockConnections.get(0)).close(30000);
    assertNotNull(closedNotification.get());
    assertSame(mockConnections.get(0), closedNotification.getAndSet(null));
    verify(mockChannels.get(1), never()).close();
    verify(mockConnections.get(1), never()).close(30000);
    verify(mockChannels.get(1), never()).close();
    verifyConnectionIs(mockConnections.get(1), idleConnections.iterator().next());
    /*
     * Now a closed cached connection
     */
    when(mockConnections.get(1).isOpen()).thenReturn(false);
    when(mockChannels.get(1).isOpen()).thenReturn(false);
    con3 = ccf.createConnection();
    assertNotNull(closedNotification.get());
    assertSame(mockConnections.get(1), closedNotification.getAndSet(null));
    verifyConnectionIs(mockConnections.get(2), con3);
    assertNotNull(createNotification.get());
    assertSame(mockConnections.get(2), createNotification.getAndSet(null));
    assertEquals(2, allocatedConnections.size());
    assertEquals(1, idleConnections.size());
    assertEquals("1", ccf.getCacheProperties().get("openConnections"));
    channel3 = con3.createChannel(false);
    verifyChannelIs(mockChannels.get(2), channel3);
    channel3.close();
    con3.close();
    assertNull(closedNotification.get());
    assertEquals(2, allocatedConnections.size());
    assertEquals(2, idleConnections.size());
    assertEquals("1", ccf.getCacheProperties().get("openConnections"));

    /*
     * Now a closed cached connection when creating a channel
     */
    con3 = ccf.createConnection();
    verifyConnectionIs(mockConnections.get(2), con3);
    assertNull(createNotification.get());
    assertEquals(2, allocatedConnections.size());
    assertEquals(1, idleConnections.size());
    when(mockConnections.get(2).isOpen()).thenReturn(false);
    channel3 = con3.createChannel(false);
    assertNotNull(closedNotification.getAndSet(null));
    assertNotNull(createNotification.getAndSet(null));

    verifyChannelIs(mockChannels.get(3), channel3);
    channel3.close();
    con3.close();
    assertNull(closedNotification.get());
    assertEquals(2, allocatedConnections.size());
    assertEquals(2, idleConnections.size());
    assertEquals("1", ccf.getCacheProperties().get("openConnections"));

    // destroy
    ccf.destroy();
    assertNotNull(closedNotification.get());
    verify(mockConnections.get(3)).close(30000);
}

From source file:org.springframework.amqp.rabbit.connection.CachingConnectionFactoryTests.java

@Test
public void testWithConnectionFactoryCachedConnectionAndChannels() throws Exception {
    com.rabbitmq.client.ConnectionFactory mockConnectionFactory = mock(
            com.rabbitmq.client.ConnectionFactory.class);

    final List<com.rabbitmq.client.Connection> mockConnections = new ArrayList<com.rabbitmq.client.Connection>();
    final List<Channel> mockChannels = new ArrayList<Channel>();

    doAnswer(new Answer<com.rabbitmq.client.Connection>() {

        private int connectionNumber;

        @Override//from w  w w  .  j av  a  2 s.  co  m
        public com.rabbitmq.client.Connection answer(InvocationOnMock invocation) throws Throwable {
            com.rabbitmq.client.Connection connection = mock(com.rabbitmq.client.Connection.class);
            doAnswer(new Answer<Channel>() {

                private int channelNumber;

                @Override
                public Channel answer(InvocationOnMock invocation) throws Throwable {
                    Channel channel = mock(Channel.class);
                    when(channel.isOpen()).thenReturn(true);
                    int channelNumnber = ++this.channelNumber;
                    when(channel.toString())
                            .thenReturn("mockChannel" + connectionNumber + ":" + channelNumnber);
                    mockChannels.add(channel);
                    return channel;
                }
            }).when(connection).createChannel();
            int connectionNumber = ++this.connectionNumber;
            when(connection.toString()).thenReturn("mockConnection" + connectionNumber);
            when(connection.isOpen()).thenReturn(true);
            mockConnections.add(connection);
            return connection;
        }
    }).when(mockConnectionFactory).newConnection(any(ExecutorService.class), anyString());

    CachingConnectionFactory ccf = new CachingConnectionFactory(mockConnectionFactory);
    ccf.setExecutor(mock(ExecutorService.class));
    ccf.setCacheMode(CacheMode.CONNECTION);
    ccf.setConnectionCacheSize(2);
    ccf.setChannelCacheSize(2);
    ccf.afterPropertiesSet();

    Set<?> allocatedConnections = TestUtils.getPropertyValue(ccf, "allocatedConnections", Set.class);
    assertEquals(0, allocatedConnections.size());
    BlockingQueue<?> idleConnections = TestUtils.getPropertyValue(ccf, "idleConnections", BlockingQueue.class);
    assertEquals(0, idleConnections.size());
    @SuppressWarnings("unchecked")
    Map<?, List<?>> cachedChannels = TestUtils.getPropertyValue(ccf,
            "allocatedConnectionNonTransactionalChannels", Map.class);

    final AtomicReference<com.rabbitmq.client.Connection> createNotification = new AtomicReference<com.rabbitmq.client.Connection>();
    final AtomicReference<com.rabbitmq.client.Connection> closedNotification = new AtomicReference<com.rabbitmq.client.Connection>();
    ccf.setConnectionListeners(Collections.singletonList(new ConnectionListener() {

        @Override
        public void onCreate(Connection connection) {
            assertNull(createNotification.get());
            createNotification.set(targetDelegate(connection));
        }

        @Override
        public void onClose(Connection connection) {
            assertNull(closedNotification.get());
            closedNotification.set(targetDelegate(connection));
        }
    }));

    Connection con1 = ccf.createConnection();
    verifyConnectionIs(mockConnections.get(0), con1);
    assertEquals(1, allocatedConnections.size());
    assertEquals(0, idleConnections.size());
    assertNotNull(createNotification.get());
    assertSame(mockConnections.get(0), createNotification.getAndSet(null));

    Channel channel1 = con1.createChannel(false);
    verifyChannelIs(mockChannels.get(0), channel1);
    channel1.close();
    //AMQP-358
    verify(mockChannels.get(0), never()).close();

    con1.close(); // should be ignored, and placed into connection cache.
    verify(mockConnections.get(0), never()).close();
    assertEquals(1, allocatedConnections.size());
    assertEquals(1, idleConnections.size());
    assertEquals(1, cachedChannels.get(con1).size());
    assertNull(closedNotification.get());

    /*
     * will retrieve same connection that was just put into cache, and reuse single channel from cache as well
     */
    Connection con2 = ccf.createConnection();
    verifyConnectionIs(mockConnections.get(0), con2);
    Channel channel2 = con2.createChannel(false);
    verifyChannelIs(mockChannels.get(0), channel2);
    channel2.close();
    verify(mockChannels.get(0), never()).close();
    con2.close();
    verify(mockConnections.get(0), never()).close();
    assertEquals(1, allocatedConnections.size());
    assertEquals(1, idleConnections.size());
    assertNull(createNotification.get());

    /*
     * Now check for multiple connections/channels
     */
    con1 = ccf.createConnection();
    verifyConnectionIs(mockConnections.get(0), con1);
    con2 = ccf.createConnection();
    verifyConnectionIs(mockConnections.get(1), con2);
    channel1 = con1.createChannel(false);
    verifyChannelIs(mockChannels.get(0), channel1);
    channel2 = con2.createChannel(false);
    verifyChannelIs(mockChannels.get(1), channel2);
    assertEquals(2, allocatedConnections.size());
    assertEquals(0, idleConnections.size());
    assertNotNull(createNotification.get());
    assertSame(mockConnections.get(1), createNotification.getAndSet(null));

    // put mock1 in cache
    channel1.close();
    verify(mockChannels.get(1), never()).close();
    con1.close();
    verify(mockConnections.get(0), never()).close();
    assertEquals(2, allocatedConnections.size());
    assertEquals(1, idleConnections.size());
    assertNull(closedNotification.get());

    Connection con3 = ccf.createConnection();
    assertNull(createNotification.get());
    verifyConnectionIs(mockConnections.get(0), con3);
    Channel channel3 = con3.createChannel(false);
    verifyChannelIs(mockChannels.get(0), channel3);

    assertEquals(2, allocatedConnections.size());
    assertEquals(0, idleConnections.size());

    channel2.close();
    con2.close();
    assertEquals(2, allocatedConnections.size());
    assertEquals(1, idleConnections.size());
    channel3.close();
    con3.close();
    assertEquals(2, allocatedConnections.size());
    assertEquals(2, idleConnections.size());
    assertEquals(1, cachedChannels.get(con1).size());
    assertEquals(1, cachedChannels.get(con2).size());
    /*
     *  Cache size is 2; neither should have been a real close.
     *  con2 (mock2) and con1 should still be in the cache.
     */
    verify(mockConnections.get(0), never()).close(30000);
    assertNull(closedNotification.get());
    verify(mockChannels.get(1), never()).close();
    verify(mockConnections.get(1), never()).close(30000);
    verify(mockChannels.get(1), never()).close();
    assertEquals(2, idleConnections.size());
    Iterator<?> iterator = idleConnections.iterator();
    verifyConnectionIs(mockConnections.get(1), iterator.next());
    verifyConnectionIs(mockConnections.get(0), iterator.next());
    /*
     * Now a closed cached connection
     */
    when(mockConnections.get(1).isOpen()).thenReturn(false);
    con3 = ccf.createConnection();
    assertNotNull(closedNotification.get());
    assertSame(mockConnections.get(1), closedNotification.getAndSet(null));
    verifyConnectionIs(mockConnections.get(0), con3);
    assertNull(createNotification.get());
    assertEquals(2, allocatedConnections.size());
    assertEquals(1, idleConnections.size());
    channel3 = con3.createChannel(false);
    verifyChannelIs(mockChannels.get(0), channel3);
    channel3.close();
    con3.close();
    assertNull(closedNotification.get());
    assertEquals(2, allocatedConnections.size());
    assertEquals(2, idleConnections.size());

    /*
     * Now a closed cached connection when creating a channel
     */
    con3 = ccf.createConnection();
    verifyConnectionIs(mockConnections.get(0), con3);
    assertNull(createNotification.get());
    assertEquals(2, allocatedConnections.size());
    assertEquals(1, idleConnections.size());
    when(mockConnections.get(0).isOpen()).thenReturn(false);
    channel3 = con3.createChannel(false);
    assertNotNull(closedNotification.getAndSet(null));
    assertNotNull(createNotification.getAndSet(null));

    verifyChannelIs(mockChannels.get(2), channel3);
    channel3.close();
    con3.close();
    assertNull(closedNotification.get());
    assertEquals(2, allocatedConnections.size());
    assertEquals(2, idleConnections.size());

    Connection con4 = ccf.createConnection();
    assertSame(con3, con4);
    assertEquals(1, idleConnections.size());
    Channel channelA = con4.createChannel(false);
    Channel channelB = con4.createChannel(false);
    Channel channelC = con4.createChannel(false);
    channelA.close();
    assertEquals(1, cachedChannels.get(con4).size());
    channelB.close();
    assertEquals(2, cachedChannels.get(con4).size());
    channelC.close();
    assertEquals(2, cachedChannels.get(con4).size());

    // destroy
    ccf.destroy();
    assertNotNull(closedNotification.get());
    // physical wasn't invoked, because this mockConnection marked with 'false' for 'isOpen()'
    verify(mockConnections.get(0)).close(30000);
    verify(mockConnections.get(1)).close(30000);
    verify(mockConnections.get(2)).close(30000);
}

From source file:org.springframework.amqp.rabbit.connection.CachingConnectionFactoryTests.java

@Test
public void testWithConnectionFactoryCachedConnectionIdleAreClosed() throws Exception {
    com.rabbitmq.client.ConnectionFactory mockConnectionFactory = mock(
            com.rabbitmq.client.ConnectionFactory.class);

    final List<com.rabbitmq.client.Connection> mockConnections = new ArrayList<com.rabbitmq.client.Connection>();
    final List<Channel> mockChannels = new ArrayList<Channel>();

    doAnswer(new Answer<com.rabbitmq.client.Connection>() {

        private int connectionNumber;

        @Override//from  www.  j a  v a2s.  com
        public com.rabbitmq.client.Connection answer(InvocationOnMock invocation) throws Throwable {
            com.rabbitmq.client.Connection connection = mock(com.rabbitmq.client.Connection.class);
            doAnswer(new Answer<Channel>() {

                private int channelNumber;

                @Override
                public Channel answer(InvocationOnMock invocation) throws Throwable {
                    Channel channel = mock(Channel.class);
                    when(channel.isOpen()).thenReturn(true);
                    int channelNumnber = ++this.channelNumber;
                    when(channel.toString()).thenReturn("mockChannel" + channelNumnber);
                    mockChannels.add(channel);
                    return channel;
                }
            }).when(connection).createChannel();
            int connectionNumber = ++this.connectionNumber;
            when(connection.toString()).thenReturn("mockConnection" + connectionNumber);
            when(connection.isOpen()).thenReturn(true);
            mockConnections.add(connection);
            return connection;
        }
    }).when(mockConnectionFactory).newConnection(any(ExecutorService.class), anyString());

    CachingConnectionFactory ccf = new CachingConnectionFactory(mockConnectionFactory);
    ccf.setExecutor(mock(ExecutorService.class));
    ccf.setCacheMode(CacheMode.CONNECTION);
    ccf.setConnectionCacheSize(5);
    ccf.afterPropertiesSet();

    Set<?> allocatedConnections = TestUtils.getPropertyValue(ccf, "allocatedConnections", Set.class);
    assertEquals(0, allocatedConnections.size());
    BlockingQueue<?> idleConnections = TestUtils.getPropertyValue(ccf, "idleConnections", BlockingQueue.class);
    assertEquals(0, idleConnections.size());

    Connection conn1 = ccf.createConnection();
    Connection conn2 = ccf.createConnection();
    Connection conn3 = ccf.createConnection();
    assertEquals(3, allocatedConnections.size());
    assertEquals(0, idleConnections.size());
    conn1.close();
    conn2.close();
    conn3.close();
    assertEquals(3, allocatedConnections.size());
    assertEquals(3, idleConnections.size());

    when(mockConnections.get(0).isOpen()).thenReturn(false);
    when(mockConnections.get(1).isOpen()).thenReturn(false);
    Connection conn4 = ccf.createConnection();
    assertEquals(3, allocatedConnections.size());
    assertEquals(2, idleConnections.size());
    assertSame(conn3, conn4);
    conn4.close();
    assertEquals(3, allocatedConnections.size());
    assertEquals(3, idleConnections.size());
    assertEquals("1", ccf.getCacheProperties().get("openConnections"));

    ccf.destroy();
    assertEquals(3, allocatedConnections.size());
    assertEquals(3, idleConnections.size());
    assertEquals("0", ccf.getCacheProperties().get("openConnections"));
}

From source file:org.springframework.amqp.rabbit.connection.CachingConnectionFactoryTests.java

public void testConsumerChannelPhysicallyClosedWhenNotIsOpenGuts(boolean confirms) throws Exception {
    ExecutorService executor = Executors.newSingleThreadExecutor();
    try {//from  w ww.jav a  2s .co m
        com.rabbitmq.client.ConnectionFactory mockConnectionFactory = mock(
                com.rabbitmq.client.ConnectionFactory.class);
        com.rabbitmq.client.Connection mockConnection = mock(com.rabbitmq.client.Connection.class);
        Channel mockChannel = mock(Channel.class);

        when(mockConnectionFactory.newConnection(any(ExecutorService.class), anyString()))
                .thenReturn(mockConnection);
        when(mockConnection.createChannel()).thenReturn(mockChannel);
        when(mockChannel.isOpen()).thenReturn(true);
        when(mockConnection.isOpen()).thenReturn(true);

        CachingConnectionFactory ccf = new CachingConnectionFactory(mockConnectionFactory);
        ccf.setExecutor(executor);
        ccf.setPublisherConfirms(confirms);
        Connection con = ccf.createConnection();

        Channel channel = con.createChannel(false);
        RabbitUtils.setPhysicalCloseRequired(channel, true);
        when(mockChannel.isOpen()).thenReturn(false);
        final CountDownLatch physicalCloseLatch = new CountDownLatch(1);
        doAnswer(i -> {
            physicalCloseLatch.countDown();
            return null;
        }).when(mockChannel).close();
        channel.close();
        con.close(); // should be ignored

        assertTrue(physicalCloseLatch.await(10, TimeUnit.SECONDS));
    } finally {
        executor.shutdownNow();
    }
}