Example usage for com.rabbitmq.client Channel close

Introduction

In this page you can find the example usage for com.rabbitmq.client Channel close.

Prototype

@Override
void close() throws IOException, TimeoutException;

Source Link

Document

Close this channel with the com.rabbitmq.client.AMQP#REPLY_SUCCESS close code and message 'OK'.

Usage

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

License:Apache License

@Test
public void testCachedConnectionsAndChannels() throws Exception {
    connectionFactory.setCacheMode(CacheMode.CONNECTION);
    connectionFactory.setConnectionCacheSize(1);
    connectionFactory.setChannelCacheSize(3);
    List<Connection> connections = new ArrayList<Connection>();
    connections.add(connectionFactory.createConnection());
    connections.add(connectionFactory.createConnection());
    Set<?> openConnections = TestUtils.getPropertyValue(connectionFactory, "openConnections", Set.class);
    assertEquals(2, openConnections.size());
    assertNotSame(connections.get(0), connections.get(1));
    List<Channel> channels = new ArrayList<Channel>();
    for (int i = 0; i < 5; i++) {
        channels.add(connections.get(0).createChannel(false));
        channels.add(connections.get(1).createChannel(false));
        channels.add(connections.get(0).createChannel(true));
        channels.add(connections.get(1).createChannel(true));
    }/* w w  w  .  j av  a 2 s.  c  o m*/
    @SuppressWarnings("unchecked")
    Map<?, List<?>> cachedChannels = TestUtils.getPropertyValue(connectionFactory,
            "openConnectionNonTransactionalChannels", Map.class);
    assertEquals(0, cachedChannels.get(connections.get(0)).size());
    assertEquals(0, cachedChannels.get(connections.get(1)).size());
    @SuppressWarnings("unchecked")
    Map<?, List<?>> cachedTxChannels = TestUtils.getPropertyValue(connectionFactory,
            "openConnectionTransactionalChannels", Map.class);
    assertEquals(0, cachedTxChannels.get(connections.get(0)).size());
    assertEquals(0, cachedTxChannels.get(connections.get(1)).size());
    for (Channel channel : channels) {
        channel.close();
    }
    assertEquals(3, cachedChannels.get(connections.get(0)).size());
    assertEquals(3, cachedChannels.get(connections.get(1)).size());
    assertEquals(3, cachedTxChannels.get(connections.get(0)).size());
    assertEquals(3, cachedTxChannels.get(connections.get(1)).size());
    for (int i = 0; i < 3; i++) {
        assertEquals(channels.get(i * 4), connections.get(0).createChannel(false));
        assertEquals(channels.get(i * 4 + 1), connections.get(1).createChannel(false));
        assertEquals(channels.get(i * 4 + 2), connections.get(0).createChannel(true));
        assertEquals(channels.get(i * 4 + 3), connections.get(1).createChannel(true));
    }
    assertEquals(0, cachedChannels.get(connections.get(0)).size());
    assertEquals(0, cachedChannels.get(connections.get(1)).size());
    assertEquals(0, cachedTxChannels.get(connections.get(0)).size());
    assertEquals(0, cachedTxChannels.get(connections.get(1)).size());
    for (Channel channel : channels) {
        channel.close();
    }
    for (Connection connection : connections) {
        connection.close();
    }
    assertEquals(3, cachedChannels.get(connections.get(0)).size());
    assertNull(cachedChannels.get(connections.get(1)));
    assertEquals(3, cachedTxChannels.get(connections.get(0)).size());
    assertNull(cachedTxChannels.get(connections.get(1)));

    assertEquals(1, openConnections.size());

    Connection connection = connectionFactory.createConnection();
    Connection rabbitConnection = TestUtils.getPropertyValue(connection, "target", Connection.class);
    rabbitConnection.close();
    Channel channel = connection.createChannel(false);
    assertEquals(1, openConnections.size());
    channel.close();
    connection.close();
    assertEquals(1, openConnections.size());
}

---

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

License:Apache License

@Test
public void testWithConnectionFactoryDefaults() throws IOException {
    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((ExecutorService) null)).thenReturn(mockConnection);
    when(mockConnection.createChannel()).thenReturn(mockChannel);
    when(mockChannel.isOpen()).thenReturn(true);
    when(mockConnection.isOpen()).thenReturn(true);

    CachingConnectionFactory ccf = new CachingConnectionFactory(mockConnectionFactory);
    Connection con = ccf.createConnection();

    Channel channel = con.createChannel(false);
    channel.close(); // should be ignored, and placed into channel cache.
    con.close(); // should be ignored

    Connection con2 = ccf.createConnection();
    /*// ww  w.j a v  a  2  s  . c om
     * will retrieve same channel object that was just put into channel cache
     */
    Channel channel2 = con2.createChannel(false);
    channel2.close(); // should be ignored
    con2.close(); // should be ignored

    assertSame(con, con2);
    assertSame(channel, channel2);
    verify(mockConnection, never()).close();
    verify(mockChannel, never()).close();

}

---

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

License:Apache License

@Test
public void testWithConnectionFactoryCacheSize() throws IOException {
    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((ExecutorService) null)).thenReturn(mockConnection);
    when(mockConnection.isOpen()).thenReturn(true);
    when(mockConnection.createChannel()).thenReturn(mockChannel1).thenReturn(mockChannel2);

    when(mockChannel1.basicGet("foo", false)).thenReturn(new GetResponse(null, null, null, 1));
    when(mockChannel2.basicGet("bar", false)).thenReturn(new GetResponse(null, null, null, 1));
    when(mockChannel1.isOpen()).thenReturn(true);
    when(mockChannel2.isOpen()).thenReturn(true);

    CachingConnectionFactory ccf = new CachingConnectionFactory(mockConnectionFactory);
    ccf.setChannelCacheSize(2);//from   w w w  .  j a va2s .  c  o  m

    Connection con = ccf.createConnection();

    Channel channel1 = con.createChannel(false);
    Channel channel2 = con.createChannel(false);

    channel1.basicGet("foo", true);
    channel2.basicGet("bar", true);

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

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

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

}

---

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

License:Apache License

@Test
public void testCacheSizeExceeded() throws IOException {
    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);
    Channel mockChannel3 = mock(Channel.class);

    when(mockConnectionFactory.newConnection((ExecutorService) null)).thenReturn(mockConnection);
    when(mockConnection.createChannel()).thenReturn(mockChannel1).thenReturn(mockChannel2)
            .thenReturn(mockChannel3);//from  ww  w  .  java 2 s  .c o  m
    when(mockConnection.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.setChannelCacheSize(1);

    Connection con = ccf.createConnection();

    Channel channel1 = con.createChannel(false);
    // cache size is 1, but the other connection is not released yet so this
    // creates a new one
    Channel channel2 = con.createChannel(false);
    assertNotSame(channel1, channel2);

    // should be ignored, and added last into channel cache.
    channel1.close();
    // should be physically closed
    channel2.close();

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

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

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

    verify(mockConnection, times(3)).createChannel();

    con.close(); // should be ignored

    verify(mockConnection, never()).close();
    verify(mockChannel1, never()).close();
    verify(mockChannel2, atLeastOnce()).close();
    verify(mockChannel3, atLeastOnce()).close();

}

---

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

License:Apache License

@Test
public void testCacheSizeExceededAfterClose() throws IOException {
    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((ExecutorService) null)).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.setChannelCacheSize(1);//from w  w  w  . ja va  2 s  .  co m

    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

License:Apache License

@Test
public void testTransactionalAndNonTransactionalChannelsSegregated() throws IOException {
    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((ExecutorService) null)).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.setChannelCacheSize(1);// w  ww  .  j  av a  2 s .  c om

    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

License:Apache License

@Test
public void testWithConnectionFactoryDestroy() throws IOException {
    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);

    assertNotSame(mockChannel1, mockChannel2);

    when(mockConnectionFactory.newConnection((ExecutorService) null)).thenReturn(mockConnection);
    // You can't repeat 'when' statements for stubbing consecutive calls to
    // the same method to returning different
    // values./* w  w  w.j a  v  a  2 s . c  o  m*/
    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.setChannelCacheSize(2);

    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

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

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

    verify(mockConnection).close(anyInt());

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

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

License:Apache License

@Test
public void testWithChannelListener() throws IOException {

    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((ExecutorService) null)).thenReturn(mockConnection);
    when(mockConnection.isOpen()).thenReturn(true);
    when(mockChannel.isOpen()).thenReturn(true);
    when(mockConnection.createChannel()).thenReturn(mockChannel);

    final AtomicInteger called = new AtomicInteger(0);
    AbstractConnectionFactory connectionFactory = createConnectionFactory(mockConnectionFactory);
    connectionFactory.setChannelListeners(Arrays.asList(new ChannelListener() {
        @Override//from w w w .  j  a v  a2  s .  co  m
        public void onCreate(Channel channel, boolean transactional) {
            called.incrementAndGet();
        }
    }));
    ((CachingConnectionFactory) connectionFactory).setChannelCacheSize(1);

    Connection con = connectionFactory.createConnection();
    Channel channel = con.createChannel(false);
    assertEquals(1, called.get());
    channel.close();

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

    connectionFactory.createConnection();
    con.createChannel(false);
    assertEquals(1, called.get());

    connectionFactory.destroy();
    verify(mockConnection, atLeastOnce()).close(anyInt());

    verify(mockConnectionFactory).newConnection((ExecutorService) null);

}

---

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

License:Apache License

@Test
public void testWithConnectionListener() throws IOException {

    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 mockChannel = mock(Channel.class);

    when(mockConnectionFactory.newConnection((ExecutorService) null)).thenReturn(mockConnection1,
            mockConnection2);/*  w  w w .  j a va 2 s .  com*/
    when(mockConnection1.isOpen()).thenReturn(true);
    when(mockChannel.isOpen()).thenReturn(true);
    when(mockConnection1.createChannel()).thenReturn(mockChannel);
    when(mockConnection2.createChannel()).thenReturn(mockChannel);

    final AtomicReference<Connection> created = new AtomicReference<Connection>();
    final AtomicReference<Connection> closed = new AtomicReference<Connection>();
    AbstractConnectionFactory connectionFactory = createConnectionFactory(mockConnectionFactory);
    connectionFactory.addConnectionListener(new ConnectionListener() {

        @Override
        public void onCreate(Connection connection) {
            created.set(connection);
        }

        @Override
        public void onClose(Connection connection) {
            closed.set(connection);
        }
    });
    ((CachingConnectionFactory) connectionFactory).setChannelCacheSize(1);

    Connection con = connectionFactory.createConnection();
    Channel channel = con.createChannel(false);
    assertSame(con, created.get());
    channel.close();

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

    Connection same = connectionFactory.createConnection();
    channel = con.createChannel(false);
    assertSame(con, same);
    channel.close();

    when(mockConnection1.isOpen()).thenReturn(false);
    when(mockChannel.isOpen()).thenReturn(false); // force a connection refresh
    channel.basicCancel("foo");
    channel.close();

    Connection notSame = connectionFactory.createConnection();
    assertNotSame(con, notSame);
    assertSame(con, closed.get());
    assertSame(notSame, created.get());

    connectionFactory.destroy();
    verify(mockConnection2, atLeastOnce()).close(anyInt());
    assertSame(notSame, closed.get());

    verify(mockConnectionFactory, times(2)).newConnection((ExecutorService) null);
}

---

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

License:Apache License

@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//from  w  w  w .  j  av a 2s .  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((ExecutorService) null);

    CachingConnectionFactory ccf = new CachingConnectionFactory(mockConnectionFactory);
    ccf.setCacheMode(CacheMode.CONNECTION);
    ccf.afterPropertiesSet();

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

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

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

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

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

    channel2.close();
    con2.close();
    assertEquals(2, openConnections.size());
    assertEquals(1, idleConnections.size());
    channel3.close();
    con3.close();
    assertEquals(1, openConnections.size());
    assertEquals(1, idleConnections.size());
    /*
     *  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), targetDelegate(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);
    con3 = ccf.createConnection();
    assertNotNull(closedNotification.get());
    assertSame(mockConnections.get(1), targetDelegate(closedNotification.getAndSet(null)));
    verifyConnectionIs(mockConnections.get(2), con3);
    assertNotNull(createNotification.get());
    assertSame(mockConnections.get(2), targetDelegate(createNotification.getAndSet(null)));
    assertEquals(1, openConnections.size());
    assertEquals(0, idleConnections.size());
    channel3 = con3.createChannel(false);
    verifyChannelIs(mockChannels.get(2), channel3);
    channel3.close();
    con3.close();
    assertNull(closedNotification.get());
    assertEquals(1, openConnections.size());
    assertEquals(1, idleConnections.size());

    /*
     * Now a closed cached connection when creating a channel
     */
    con3 = ccf.createConnection();
    verifyConnectionIs(mockConnections.get(2), con3);
    assertNull(createNotification.get());
    assertEquals(1, openConnections.size());
    assertEquals(0, 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(1, openConnections.size());
    assertEquals(1, idleConnections.size());

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

---

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