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/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.activemq;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CopyOnWriteArrayList;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.RejectedExecutionHandler;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;

import javax.jms.Connection;
import javax.jms.ConnectionConsumer;
import javax.jms.ConnectionMetaData;
import javax.jms.DeliveryMode;
import javax.jms.Destination;
import javax.jms.ExceptionListener;
import javax.jms.IllegalStateException;
import javax.jms.InvalidDestinationException;
import javax.jms.JMSException;
import javax.jms.Queue;
import javax.jms.QueueConnection;
import javax.jms.QueueSession;
import javax.jms.ServerSessionPool;
import javax.jms.Session;
import javax.jms.Topic;
import javax.jms.TopicConnection;
import javax.jms.TopicSession;
import javax.jms.XAConnection;

import org.apache.activemq.advisory.DestinationSource;
import org.apache.activemq.blob.BlobTransferPolicy;
import org.apache.activemq.broker.region.policy.RedeliveryPolicyMap;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ActiveMQMessage;
import org.apache.activemq.command.ActiveMQTempDestination;
import org.apache.activemq.command.ActiveMQTempQueue;
import org.apache.activemq.command.ActiveMQTempTopic;
import org.apache.activemq.command.BrokerInfo;
import org.apache.activemq.command.Command;
import org.apache.activemq.command.CommandTypes;
import org.apache.activemq.command.ConnectionControl;
import org.apache.activemq.command.ConnectionError;
import org.apache.activemq.command.ConnectionId;
import org.apache.activemq.command.ConnectionInfo;
import org.apache.activemq.command.ConsumerControl;
import org.apache.activemq.command.ConsumerId;
import org.apache.activemq.command.ConsumerInfo;
import org.apache.activemq.command.ControlCommand;
import org.apache.activemq.command.DestinationInfo;
import org.apache.activemq.command.ExceptionResponse;
import org.apache.activemq.command.Message;
import org.apache.activemq.command.MessageDispatch;
import org.apache.activemq.command.MessageId;
import org.apache.activemq.command.ProducerAck;
import org.apache.activemq.command.ProducerId;
import org.apache.activemq.command.RemoveInfo;
import org.apache.activemq.command.RemoveSubscriptionInfo;
import org.apache.activemq.command.Response;
import org.apache.activemq.command.SessionId;
import org.apache.activemq.command.ShutdownInfo;
import org.apache.activemq.command.WireFormatInfo;
import org.apache.activemq.management.JMSConnectionStatsImpl;
import org.apache.activemq.management.JMSStatsImpl;
import org.apache.activemq.management.StatsCapable;
import org.apache.activemq.management.StatsImpl;
import org.apache.activemq.state.CommandVisitorAdapter;
import org.apache.activemq.thread.Scheduler;
import org.apache.activemq.thread.TaskRunnerFactory;
import org.apache.activemq.transport.FutureResponse;
import org.apache.activemq.transport.ResponseCallback;
import org.apache.activemq.transport.Transport;
import org.apache.activemq.transport.TransportListener;
import org.apache.activemq.transport.failover.FailoverTransport;
import org.apache.activemq.util.IdGenerator;
import org.apache.activemq.util.IntrospectionSupport;
import org.apache.activemq.util.JMSExceptionSupport;
import org.apache.activemq.util.LongSequenceGenerator;
import org.apache.activemq.util.ServiceSupport;
import org.apache.activemq.util.ThreadPoolUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class ActiveMQConnection implements Connection, TopicConnection, QueueConnection, StatsCapable, Closeable, StreamConnection, TransportListener, EnhancedConnection {

    public static final String DEFAULT_USER = ActiveMQConnectionFactory.DEFAULT_USER;
    public static final String DEFAULT_PASSWORD = ActiveMQConnectionFactory.DEFAULT_PASSWORD;
    public static final String DEFAULT_BROKER_URL = ActiveMQConnectionFactory.DEFAULT_BROKER_URL;
    public static int DEFAULT_THREAD_POOL_SIZE = 1000;

    private static final Logger LOG = LoggerFactory.getLogger(ActiveMQConnection.class);

    public final ConcurrentHashMap activeTempDestinations = new ConcurrentHashMap();

    protected boolean dispatchAsync=true;
    protected boolean alwaysSessionAsync = true;

    private TaskRunnerFactory sessionTaskRunner;
    private final ThreadPoolExecutor executor;

    // Connection state variables
    private final ConnectionInfo info;
    private ExceptionListener exceptionListener;
    private ClientInternalExceptionListener clientInternalExceptionListener;
    private boolean clientIDSet;
    private boolean isConnectionInfoSentToBroker;
    private boolean userSpecifiedClientID;

    // Configuration options variables
    private ActiveMQPrefetchPolicy prefetchPolicy = new ActiveMQPrefetchPolicy();
    private BlobTransferPolicy blobTransferPolicy;
    private RedeliveryPolicyMap redeliveryPolicyMap;
    private MessageTransformer transformer;

    private boolean disableTimeStampsByDefault;
    private boolean optimizedMessageDispatch = true;
    private boolean copyMessageOnSend = true;
    private boolean useCompression;
    private boolean objectMessageSerializationDefered;
    private boolean useAsyncSend;
    private boolean optimizeAcknowledge;
    private long optimizeAcknowledgeTimeOut = 0;
    private long optimizedAckScheduledAckInterval = 0;
    private boolean nestedMapAndListEnabled = true;
    private boolean useRetroactiveConsumer;
    private boolean exclusiveConsumer;
    private boolean alwaysSyncSend;
    private int closeTimeout = 15000;
    private boolean watchTopicAdvisories = true;
    private long warnAboutUnstartedConnectionTimeout = 500L;
    private int sendTimeout =0;
    private boolean sendAcksAsync=true;
    private boolean checkForDuplicates = true;
    private boolean queueOnlyConnection = false;

    private final Transport transport;
    private final IdGenerator clientIdGenerator;
    private final JMSStatsImpl factoryStats;
    private final JMSConnectionStatsImpl stats;

    private final AtomicBoolean started = new AtomicBoolean(false);
    private final AtomicBoolean closing = new AtomicBoolean(false);
    private final AtomicBoolean closed = new AtomicBoolean(false);
    private final AtomicBoolean transportFailed = new AtomicBoolean(false);
    private final CopyOnWriteArrayList sessions = new CopyOnWriteArrayList();
    private final CopyOnWriteArrayList connectionConsumers = new CopyOnWriteArrayList();
    private final CopyOnWriteArrayList inputStreams = new CopyOnWriteArrayList();
    private final CopyOnWriteArrayList outputStreams = new CopyOnWriteArrayList();
    private final CopyOnWriteArrayList transportListeners = new CopyOnWriteArrayList();

    // Maps ConsumerIds to ActiveMQConsumer objects
    private final ConcurrentHashMap dispatchers = new ConcurrentHashMap();
    private final ConcurrentHashMap producers = new ConcurrentHashMap();
    private final LongSequenceGenerator sessionIdGenerator = new LongSequenceGenerator();
    private final SessionId connectionSessionId;
    private final LongSequenceGenerator consumerIdGenerator = new LongSequenceGenerator();
    private final LongSequenceGenerator producerIdGenerator = new LongSequenceGenerator();
    private final LongSequenceGenerator tempDestinationIdGenerator = new LongSequenceGenerator();
    private final LongSequenceGenerator localTransactionIdGenerator = new LongSequenceGenerator();

    private AdvisoryConsumer advisoryConsumer;
    private final CountDownLatch brokerInfoReceived = new CountDownLatch(1);
    private BrokerInfo brokerInfo;
    private IOException firstFailureError;
    private int producerWindowSize = ActiveMQConnectionFactory.DEFAULT_PRODUCER_WINDOW_SIZE;

    // Assume that protocol is the latest. Change to the actual protocol
    // version when a WireFormatInfo is received.
    private final AtomicInteger protocolVersion = new AtomicInteger(CommandTypes.PROTOCOL_VERSION);
    private final long timeCreated;
    private final ConnectionAudit connectionAudit = new ConnectionAudit();
    private DestinationSource destinationSource;
    private final Object ensureConnectionInfoSentMutex = new Object();
    private boolean useDedicatedTaskRunner;
    protected AtomicInteger transportInterruptionProcessingComplete = new AtomicInteger(0);
    private long consumerFailoverRedeliveryWaitPeriod;
    private Scheduler scheduler;
    private boolean messagePrioritySupported = true;
    private boolean transactedIndividualAck = false;
    private boolean nonBlockingRedelivery = false;

    private int maxThreadPoolSize = DEFAULT_THREAD_POOL_SIZE;
    private RejectedExecutionHandler rejectedTaskHandler = null;

    /**
     * Construct an ActiveMQConnection
     *
     * @param transport
     * @param factoryStats
     * @throws Exception
     */
    protected ActiveMQConnection(final Transport transport, IdGenerator clientIdGenerator, IdGenerator connectionIdGenerator, JMSStatsImpl factoryStats) throws Exception {

        this.transport = transport;
        this.clientIdGenerator = clientIdGenerator;
        this.factoryStats = factoryStats;

        // Configure a single threaded executor who's core thread can timeout if
        // idle
        executor = new ThreadPoolExecutor(1, 1, 5, TimeUnit.SECONDS, new LinkedBlockingQueue(), new ThreadFactory() {
            @Override
            public Thread newThread(Runnable r) {
                Thread thread = new Thread(r, "ActiveMQ Connection Executor: " + transport);
                //Don't make these daemon threads - see https://issues.apache.org/jira/browse/AMQ-796
                //thread.setDaemon(true);
                return thread;
            }
        });
        // asyncConnectionThread.allowCoreThreadTimeOut(true);
        String uniqueId = connectionIdGenerator.generateId();
        this.info = new ConnectionInfo(new ConnectionId(uniqueId));
        this.info.setManageable(true);
        this.info.setFaultTolerant(transport.isFaultTolerant());
        this.connectionSessionId = new SessionId(info.getConnectionId(), -1);

        this.transport.setTransportListener(this);

        this.stats = new JMSConnectionStatsImpl(sessions, this instanceof XAConnection);
        this.factoryStats.addConnection(this);
        this.timeCreated = System.currentTimeMillis();
        this.connectionAudit.setCheckForDuplicates(transport.isFaultTolerant());
    }

    protected void setUserName(String userName) {
        this.info.setUserName(userName);
    }

    protected void setPassword(String password) {
        this.info.setPassword(password);
    }

    /**
     * A static helper method to create a new connection
     *
     * @return an ActiveMQConnection
     * @throws JMSException
     */
    public static ActiveMQConnection makeConnection() throws JMSException {
        ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory();
        return (ActiveMQConnection)factory.createConnection();
    }

    /**
     * A static helper method to create a new connection
     *
     * @param uri
     * @return and ActiveMQConnection
     * @throws JMSException
     */
    public static ActiveMQConnection makeConnection(String uri) throws JMSException, URISyntaxException {
        ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(uri);
        return (ActiveMQConnection)factory.createConnection();
    }

    /**
     * A static helper method to create a new connection
     *
     * @param user
     * @param password
     * @param uri
     * @return an ActiveMQConnection
     * @throws JMSException
     */
    public static ActiveMQConnection makeConnection(String user, String password, String uri) throws JMSException, URISyntaxException {
        ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(user, password, new URI(uri));
        return (ActiveMQConnection)factory.createConnection();
    }

    /**
     * @return a number unique for this connection
     */
    public JMSConnectionStatsImpl getConnectionStats() {
        return stats;
    }

    /**
     * Creates a Session object.
     *
     * @param transacted indicates whether the session is transacted
     * @param acknowledgeMode indicates whether the consumer or the client will
     *                acknowledge any messages it receives; ignored if the
     *                session is transacted. Legal values are
     *                Session.AUTO_ACKNOWLEDGE,
     *                Session.CLIENT_ACKNOWLEDGE, and
     *                Session.DUPS_OK_ACKNOWLEDGE.
     * @return a newly created session
     * @throws JMSException if the Connection object fails to
     *                 create a session due to some internal error or lack of
     *                 support for the specific transaction and acknowledgement
     *                 mode.
     * @see Session#AUTO_ACKNOWLEDGE
     * @see Session#CLIENT_ACKNOWLEDGE
     * @see Session#DUPS_OK_ACKNOWLEDGE
     * @since 1.1
     */
    @Override
    public Session createSession(boolean transacted, int acknowledgeMode) throws JMSException {
        checkClosedOrFailed();
        ensureConnectionInfoSent();
        if(!transacted) {
            if (acknowledgeMode==Session.SESSION_TRANSACTED) {
                throw new JMSException("acknowledgeMode SESSION_TRANSACTED cannot be used for an non-transacted Session");
            } else if (acknowledgeMode < Session.SESSION_TRANSACTED || acknowledgeMode > ActiveMQSession.MAX_ACK_CONSTANT) {
                throw new JMSException("invalid acknowledgeMode: " + acknowledgeMode + ". Valid values are Session.AUTO_ACKNOWLEDGE (1), " +
                        "Session.CLIENT_ACKNOWLEDGE (2), Session.DUPS_OK_ACKNOWLEDGE (3), ActiveMQSession.INDIVIDUAL_ACKNOWLEDGE (4) or for transacted sessions Session.SESSION_TRANSACTED (0)");
            }
        }
        return new ActiveMQSession(this, getNextSessionId(), transacted ? Session.SESSION_TRANSACTED : (acknowledgeMode == Session.SESSION_TRANSACTED
            ? Session.AUTO_ACKNOWLEDGE : acknowledgeMode), isDispatchAsync(), isAlwaysSessionAsync());
    }

    /**
     * @return sessionId
     */
    protected SessionId getNextSessionId() {
        return new SessionId(info.getConnectionId(), sessionIdGenerator.getNextSequenceId());
    }

    /**
     * Gets the client identifier for this connection.
     * 

* This value is specific to the JMS provider. It is either preconfigured by * an administrator in a ConnectionFactory object or assigned * dynamically by the application by calling the setClientID * method. * * @return the unique client identifier * @throws JMSException if the JMS provider fails to return the client ID * for this connection due to some internal error. */ @Override public String getClientID() throws JMSException { checkClosedOrFailed(); return this.info.getClientId(); } /** * Sets the client identifier for this connection. *

* The preferred way to assign a JMS client's client identifier is for it to * be configured in a client-specific ConnectionFactory * object and transparently assigned to the Connection object * it creates. *

* Alternatively, a client can set a connection's client identifier using a * provider-specific value. The facility to set a connection's client * identifier explicitly is not a mechanism for overriding the identifier * that has been administratively configured. It is provided for the case * where no administratively specified identifier exists. If one does exist, * an attempt to change it by setting it must throw an * IllegalStateException. If a client sets the client * identifier explicitly, it must do so immediately after it creates the * connection and before any other action on the connection is taken. After * this point, setting the client identifier is a programming error that * should throw an IllegalStateException. *

* The purpose of the client identifier is to associate a connection and its * objects with a state maintained on behalf of the client by a provider. * The only such state identified by the JMS API is that required to support * durable subscriptions. *

* If another connection with the same clientID is already * running when this method is called, the JMS provider should detect the * duplicate ID and throw an InvalidClientIDException. * * @param newClientID the unique client identifier * @throws JMSException if the JMS provider fails to set the client ID for * this connection due to some internal error. * @throws javax.jms.InvalidClientIDException if the JMS client specifies an * invalid or duplicate client ID. * @throws javax.jms.IllegalStateException if the JMS client attempts to set * a connection's client ID at the wrong time or when it has * been administratively configured. */ @Override public void setClientID(String newClientID) throws JMSException { checkClosedOrFailed(); if (this.clientIDSet) { throw new IllegalStateException("The clientID has already been set"); } if (this.isConnectionInfoSentToBroker) { throw new IllegalStateException("Setting clientID on a used Connection is not allowed"); } this.info.setClientId(newClientID); this.userSpecifiedClientID = true; ensureConnectionInfoSent(); } /** * Sets the default client id that the connection will use if explicitly not * set with the setClientId() call. */ public void setDefaultClientID(String clientID) throws JMSException { this.info.setClientId(clientID); this.userSpecifiedClientID = true; } /** * Gets the metadata for this connection. * * @return the connection metadata * @throws JMSException if the JMS provider fails to get the connection * metadata for this connection. * @see javax.jms.ConnectionMetaData */ @Override public ConnectionMetaData getMetaData() throws JMSException { checkClosedOrFailed(); return ActiveMQConnectionMetaData.INSTANCE; } /** * Gets the ExceptionListener object for this connection. Not * every Connection has an ExceptionListener * associated with it. * * @return the ExceptionListener for this connection, or * null, if no ExceptionListener is associated with * this connection. * @throws JMSException if the JMS provider fails to get the * ExceptionListener for this connection. * @see javax.jms.Connection#setExceptionListener(ExceptionListener) */ @Override public ExceptionListener getExceptionListener() throws JMSException { checkClosedOrFailed(); return this.exceptionListener; } /** * Sets an exception listener for this connection. *

* If a JMS provider detects a serious problem with a connection, it informs * the connection's ExceptionListener, if one has been * registered. It does this by calling the listener's onException * * method, passing it a JMSException object describing the * problem. *

* An exception listener allows a client to be notified of a problem * asynchronously. Some connections only consume messages, so they would * have no other way to learn their connection has failed. *

* A connection serializes execution of its ExceptionListener. *

* A JMS provider should attempt to resolve connection problems itself * before it notifies the client of them. * * @param listener the exception listener * @throws JMSException if the JMS provider fails to set the exception * listener for this connection. */ @Override public void setExceptionListener(ExceptionListener listener) throws JMSException { checkClosedOrFailed(); this.exceptionListener = listener; } /** * Gets the ClientInternalExceptionListener object for this connection. * Not every ActiveMQConnectionn has a ClientInternalExceptionListener * associated with it. * * @return the listener or null if no listener is registered with the connection. */ public ClientInternalExceptionListener getClientInternalExceptionListener() { return clientInternalExceptionListener; } /** * Sets a client internal exception listener for this connection. * The connection will notify the listener, if one has been registered, of exceptions thrown by container components * (e.g. an EJB container in case of Message Driven Beans) during asynchronous processing of a message. * It does this by calling the listener's onException() method passing it a Throwable * describing the problem. * * @param listener the exception listener */ public void setClientInternalExceptionListener(ClientInternalExceptionListener listener) { this.clientInternalExceptionListener = listener; } /** * Starts (or restarts) a connection's delivery of incoming messages. A call * to start on a connection that has already been started is * ignored. * * @throws JMSException if the JMS provider fails to start message delivery * due to some internal error. * @see javax.jms.Connection#stop() */ @Override public void start() throws JMSException { checkClosedOrFailed(); ensureConnectionInfoSent(); if (started.compareAndSet(false, true)) { for (Iterator i = sessions.iterator(); i.hasNext();) { ActiveMQSession session = i.next(); session.start(); } } } /** * Temporarily stops a connection's delivery of incoming messages. Delivery * can be restarted using the connection's start method. When * the connection is stopped, delivery to all the connection's message * consumers is inhibited: synchronous receives block, and messages are not * delivered to message listeners. *

* This call blocks until receives and/or message listeners in progress have * completed. *

* Stopping a connection has no effect on its ability to send messages. A * call to stop on a connection that has already been stopped * is ignored. *

* A call to stop must not return until delivery of messages * has paused. This means that a client can rely on the fact that none of * its message listeners will be called and that all threads of control * waiting for receive calls to return will not return with a * message until the connection is restarted. The receive timers for a * stopped connection continue to advance, so receives may time out while * the connection is stopped. *

* If message listeners are running when stop is invoked, the * stop call must wait until all of them have returned before * it may return. While these message listeners are completing, they must * have the full services of the connection available to them. * * @throws JMSException if the JMS provider fails to stop message delivery * due to some internal error. * @see javax.jms.Connection#start() */ @Override public void stop() throws JMSException { doStop(true); } /** * @see #stop() * @param checkClosed true to check for already closed and throw {@link java.lang.IllegalStateException} if already closed, * false to skip this check * @throws JMSException if the JMS provider fails to stop message delivery due to some internal error. */ void doStop(boolean checkClosed) throws JMSException { if (checkClosed) { checkClosedOrFailed(); } if (started.compareAndSet(true, false)) { synchronized(sessions) { for (Iterator i = sessions.iterator(); i.hasNext();) { ActiveMQSession s = i.next(); s.stop(); } } } } /** * Closes the connection. *

* Since a provider typically allocates significant resources outside the * JVM on behalf of a connection, clients should close these resources when * they are not needed. Relying on garbage collection to eventually reclaim * these resources may not be timely enough. *

* There is no need to close the sessions, producers, and consumers of a * closed connection. *

* Closing a connection causes all temporary destinations to be deleted. *

* When this method is invoked, it should not return until message * processing has been shut down in an orderly fashion. This means that all * message listeners that may have been running have returned, and that all * pending receives have returned. A close terminates all pending message * receives on the connection's sessions' consumers. The receives may return * with a message or with null, depending on whether there was a message * available at the time of the close. If one or more of the connection's * sessions' message listeners is processing a message at the time when * connection close is invoked, all the facilities of the * connection and its sessions must remain available to those listeners * until they return control to the JMS provider. *

* Closing a connection causes any of its sessions' transactions in progress * to be rolled back. In the case where a session's work is coordinated by * an external transaction manager, a session's commit and * rollback methods are not used and the result of a closed * session's work is determined later by the transaction manager. Closing a * connection does NOT force an acknowledgment of client-acknowledged * sessions. *

* Invoking the acknowledge method of a received message from * a closed connection's session must throw an * IllegalStateException. Closing a closed connection must * NOT throw an exception. * * @throws JMSException if the JMS provider fails to close the connection * due to some internal error. For example, a failure to * release resources or to close a socket connection can * cause this exception to be thrown. */ @Override public void close() throws JMSException { // Store the interrupted state and clear so that cleanup happens without // leaking connection resources. Reset in finally to preserve state. boolean interrupted = Thread.interrupted(); try { // If we were running, lets stop first. if (!closed.get() && !transportFailed.get()) { // do not fail if already closed as according to JMS spec we must not // throw exception if already closed doStop(false); } synchronized (this) { if (!closed.get()) { closing.set(true); if (destinationSource != null) { destinationSource.stop(); destinationSource = null; } if (advisoryConsumer != null) { advisoryConsumer.dispose(); advisoryConsumer = null; } Scheduler scheduler = this.scheduler; if (scheduler != null) { try { scheduler.stop(); } catch (Exception e) { JMSException ex = JMSExceptionSupport.create(e); throw ex; } } long lastDeliveredSequenceId = 0; for (Iterator i = this.sessions.iterator(); i.hasNext();) { ActiveMQSession s = i.next(); s.dispose(); lastDeliveredSequenceId = Math.max(lastDeliveredSequenceId, s.getLastDeliveredSequenceId()); } for (Iterator i = this.connectionConsumers.iterator(); i.hasNext();) { ActiveMQConnectionConsumer c = i.next(); c.dispose(); } for (Iterator i = this.inputStreams.iterator(); i.hasNext();) { ActiveMQInputStream c = i.next(); c.dispose(); } for (Iterator i = this.outputStreams.iterator(); i.hasNext();) { ActiveMQOutputStream c = i.next(); c.dispose(); } this.activeTempDestinations.clear(); if (isConnectionInfoSentToBroker) { // If we announced ourselves to the broker.. Try to let the broker // know that the connection is being shutdown. RemoveInfo removeCommand = info.createRemoveCommand(); removeCommand.setLastDeliveredSequenceId(lastDeliveredSequenceId); doSyncSendPacket(info.createRemoveCommand(), closeTimeout); doAsyncSendPacket(new ShutdownInfo()); } started.set(false); // TODO if we move the TaskRunnerFactory to the connection // factory // then we may need to call // factory.onConnectionClose(this); if (sessionTaskRunner != null) { sessionTaskRunner.shutdown(); } closed.set(true); closing.set(false); } } } finally { try { if (executor != null) { ThreadPoolUtils.shutdown(executor); } } catch (Throwable e) { LOG.warn("Error shutting down thread pool: " + executor + ". This exception will be ignored.", e); } ServiceSupport.dispose(this.transport); factoryStats.removeConnection(this); if (interrupted) { Thread.currentThread().interrupt(); } } } /** * Tells the broker to terminate its VM. This can be used to cleanly * terminate a broker running in a standalone java process. Server must have * property enable.vm.shutdown=true defined to allow this to work. */ // TODO : org.apache.activemq.message.BrokerAdminCommand not yet // implemented. /* * public void terminateBrokerVM() throws JMSException { BrokerAdminCommand * command = new BrokerAdminCommand(); * command.setCommand(BrokerAdminCommand.SHUTDOWN_SERVER_VM); * asyncSendPacket(command); } */ /** * Create a durable connection consumer for this connection (optional * operation). This is an expert facility not used by regular JMS clients. * * @param topic topic to access * @param subscriptionName durable subscription name * @param messageSelector only messages with properties matching the message * selector expression are delivered. A value of null or an * empty string indicates that there is no message selector * for the message consumer. * @param sessionPool the server session pool to associate with this durable * connection consumer * @param maxMessages the maximum number of messages that can be assigned to * a server session at one time * @return the durable connection consumer * @throws JMSException if the Connection object fails to * create a connection consumer due to some internal error * or invalid arguments for sessionPool and * messageSelector. * @throws javax.jms.InvalidDestinationException if an invalid destination * is specified. * @throws javax.jms.InvalidSelectorException if the message selector is * invalid. * @see javax.jms.ConnectionConsumer * @since 1.1 */ @Override public ConnectionConsumer createDurableConnectionConsumer(Topic topic, String subscriptionName, String messageSelector, ServerSessionPool sessionPool, int maxMessages) throws JMSException { return this.createDurableConnectionConsumer(topic, subscriptionName, messageSelector, sessionPool, maxMessages, false); } /** * Create a durable connection consumer for this connection (optional * operation). This is an expert facility not used by regular JMS clients. * * @param topic topic to access * @param subscriptionName durable subscription name * @param messageSelector only messages with properties matching the message * selector expression are delivered. A value of null or an * empty string indicates that there is no message selector * for the message consumer. * @param sessionPool the server session pool to associate with this durable * connection consumer * @param maxMessages the maximum number of messages that can be assigned to * a server session at one time * @param noLocal set true if you want to filter out messages published * locally * @return the durable connection consumer * @throws JMSException if the Connection object fails to * create a connection consumer due to some internal error * or invalid arguments for sessionPool and * messageSelector. * @throws javax.jms.InvalidDestinationException if an invalid destination * is specified. * @throws javax.jms.InvalidSelectorException if the message selector is * invalid. * @see javax.jms.ConnectionConsumer * @since 1.1 */ public ConnectionConsumer createDurableConnectionConsumer(Topic topic, String subscriptionName, String messageSelector, ServerSessionPool sessionPool, int maxMessages, boolean noLocal) throws JMSException { checkClosedOrFailed(); if (queueOnlyConnection) { throw new IllegalStateException("QueueConnection cannot be used to create Pub/Sub based resources."); } ensureConnectionInfoSent(); SessionId sessionId = new SessionId(info.getConnectionId(), -1); ConsumerInfo info = new ConsumerInfo(new ConsumerId(sessionId, consumerIdGenerator.getNextSequenceId())); info.setDestination(ActiveMQMessageTransformation.transformDestination(topic)); info.setSubscriptionName(subscriptionName); info.setSelector(messageSelector); info.setPrefetchSize(maxMessages); info.setDispatchAsync(isDispatchAsync()); // Allows the options on the destination to configure the consumerInfo if (info.getDestination().getOptions() != null) { Map options = new HashMap(info.getDestination().getOptions()); IntrospectionSupport.setProperties(this.info, options, "consumer."); } return new ActiveMQConnectionConsumer(this, sessionPool, info); } // Properties // ------------------------------------------------------------------------- /** * Returns true if this connection has been started * * @return true if this Connection is started */ public boolean isStarted() { return started.get(); } /** * Returns true if the connection is closed */ public boolean isClosed() { return closed.get(); } /** * Returns true if the connection is in the process of being closed */ public boolean isClosing() { return closing.get(); } /** * Returns true if the underlying transport has failed */ public boolean isTransportFailed() { return transportFailed.get(); } /** * @return Returns the prefetchPolicy. */ public ActiveMQPrefetchPolicy getPrefetchPolicy() { return prefetchPolicy; } /** * Sets the prefetch * policy for consumers created by this connection. */ public void setPrefetchPolicy(ActiveMQPrefetchPolicy prefetchPolicy) { this.prefetchPolicy = prefetchPolicy; } /** */ public Transport getTransportChannel() { return transport; } /** * @return Returns the clientID of the connection, forcing one to be * generated if one has not yet been configured. */ public String getInitializedClientID() throws JMSException { ensureConnectionInfoSent(); return info.getClientId(); } /** * @return Returns the timeStampsDisableByDefault. */ public boolean isDisableTimeStampsByDefault() { return disableTimeStampsByDefault; } /** * Sets whether or not timestamps on messages should be disabled or not. If * you disable them it adds a small performance boost. */ public void setDisableTimeStampsByDefault(boolean timeStampsDisableByDefault) { this.disableTimeStampsByDefault = timeStampsDisableByDefault; } /** * @return Returns the dispatchOptimizedMessage. */ public boolean isOptimizedMessageDispatch() { return optimizedMessageDispatch; } /** * If this flag is set then an larger prefetch limit is used - only * applicable for durable topic subscribers. */ public void setOptimizedMessageDispatch(boolean dispatchOptimizedMessage) { this.optimizedMessageDispatch = dispatchOptimizedMessage; } /** * @return Returns the closeTimeout. */ public int getCloseTimeout() { return closeTimeout; } /** * Sets the timeout before a close is considered complete. Normally a * close() on a connection waits for confirmation from the broker; this * allows that operation to timeout to save the client hanging if there is * no broker */ public void setCloseTimeout(int closeTimeout) { this.closeTimeout = closeTimeout; } /** * @return ConnectionInfo */ public ConnectionInfo getConnectionInfo() { return this.info; } public boolean isUseRetroactiveConsumer() { return useRetroactiveConsumer; } /** * Sets whether or not retroactive consumers are enabled. Retroactive * consumers allow non-durable topic subscribers to receive old messages * that were published before the non-durable subscriber started. */ public void setUseRetroactiveConsumer(boolean useRetroactiveConsumer) { this.useRetroactiveConsumer = useRetroactiveConsumer; } public boolean isNestedMapAndListEnabled() { return nestedMapAndListEnabled; } /** * Enables/disables whether or not Message properties and MapMessage entries * support Nested * Structures of Map and List objects */ public void setNestedMapAndListEnabled(boolean structuredMapsEnabled) { this.nestedMapAndListEnabled = structuredMapsEnabled; } public boolean isExclusiveConsumer() { return exclusiveConsumer; } /** * Enables or disables whether or not queue consumers should be exclusive or * not for example to preserve ordering when not using Message Groups * * @param exclusiveConsumer */ public void setExclusiveConsumer(boolean exclusiveConsumer) { this.exclusiveConsumer = exclusiveConsumer; } /** * Adds a transport listener so that a client can be notified of events in * the underlying transport */ public void addTransportListener(TransportListener transportListener) { transportListeners.add(transportListener); } public void removeTransportListener(TransportListener transportListener) { transportListeners.remove(transportListener); } public boolean isUseDedicatedTaskRunner() { return useDedicatedTaskRunner; } public void setUseDedicatedTaskRunner(boolean useDedicatedTaskRunner) { this.useDedicatedTaskRunner = useDedicatedTaskRunner; } public TaskRunnerFactory getSessionTaskRunner() { synchronized (this) { if (sessionTaskRunner == null) { sessionTaskRunner = new TaskRunnerFactory("ActiveMQ Session Task", ThreadPriorities.INBOUND_CLIENT_SESSION, false, 1000, isUseDedicatedTaskRunner(), maxThreadPoolSize); sessionTaskRunner.setRejectedTaskHandler(rejectedTaskHandler); } } return sessionTaskRunner; } public void setSessionTaskRunner(TaskRunnerFactory sessionTaskRunner) { this.sessionTaskRunner = sessionTaskRunner; } public MessageTransformer getTransformer() { return transformer; } /** * Sets the transformer used to transform messages before they are sent on * to the JMS bus or when they are received from the bus but before they are * delivered to the JMS client */ public void setTransformer(MessageTransformer transformer) { this.transformer = transformer; } /** * @return the statsEnabled */ public boolean isStatsEnabled() { return this.stats.isEnabled(); } /** * @param statsEnabled the statsEnabled to set */ public void setStatsEnabled(boolean statsEnabled) { this.stats.setEnabled(statsEnabled); } /** * Returns the {@link DestinationSource} object which can be used to listen to destinations * being created or destroyed or to enquire about the current destinations available on the broker * * @return a lazily created destination source * @throws JMSException */ @Override public DestinationSource getDestinationSource() throws JMSException { if (destinationSource == null) { destinationSource = new DestinationSource(this); destinationSource.start(); } return destinationSource; } // Implementation methods // ------------------------------------------------------------------------- /** * Used internally for adding Sessions to the Connection * * @param session * @throws JMSException * @throws JMSException */ protected void addSession(ActiveMQSession session) throws JMSException { this.sessions.add(session); if (sessions.size() > 1 || session.isTransacted()) { optimizedMessageDispatch = false; } } /** * Used interanlly for removing Sessions from a Connection * * @param session */ protected void removeSession(ActiveMQSession session) { this.sessions.remove(session); this.removeDispatcher(session); } /** * Add a ConnectionConsumer * * @param connectionConsumer * @throws JMSException */ protected void addConnectionConsumer(ActiveMQConnectionConsumer connectionConsumer) throws JMSException { this.connectionConsumers.add(connectionConsumer); } /** * Remove a ConnectionConsumer * * @param connectionConsumer */ protected void removeConnectionConsumer(ActiveMQConnectionConsumer connectionConsumer) { this.connectionConsumers.remove(connectionConsumer); this.removeDispatcher(connectionConsumer); } /** * Creates a TopicSession object. * * @param transacted indicates whether the session is transacted * @param acknowledgeMode indicates whether the consumer or the client will * acknowledge any messages it receives; ignored if the * session is transacted. Legal values are * Session.AUTO_ACKNOWLEDGE, * Session.CLIENT_ACKNOWLEDGE, and * Session.DUPS_OK_ACKNOWLEDGE. * @return a newly created topic session * @throws JMSException if the TopicConnection object fails * to create a session due to some internal error or lack of * support for the specific transaction and acknowledgement * mode. * @see Session#AUTO_ACKNOWLEDGE * @see Session#CLIENT_ACKNOWLEDGE * @see Session#DUPS_OK_ACKNOWLEDGE */ @Override public TopicSession createTopicSession(boolean transacted, int acknowledgeMode) throws JMSException { return new ActiveMQTopicSession((ActiveMQSession)createSession(transacted, acknowledgeMode)); } /** * Creates a connection consumer for this connection (optional operation). * This is an expert facility not used by regular JMS clients. * * @param topic the topic to access * @param messageSelector only messages with properties matching the message * selector expression are delivered. A value of null or an * empty string indicates that there is no message selector * for the message consumer. * @param sessionPool the server session pool to associate with this * connection consumer * @param maxMessages the maximum number of messages that can be assigned to * a server session at one time * @return the connection consumer * @throws JMSException if the TopicConnection object fails * to create a connection consumer due to some internal * error or invalid arguments for sessionPool * and messageSelector. * @throws javax.jms.InvalidDestinationException if an invalid topic is * specified. * @throws javax.jms.InvalidSelectorException if the message selector is * invalid. * @see javax.jms.ConnectionConsumer */ @Override public ConnectionConsumer createConnectionConsumer(Topic topic, String messageSelector, ServerSessionPool sessionPool, int maxMessages) throws JMSException { return createConnectionConsumer(topic, messageSelector, sessionPool, maxMessages, false); } /** * Creates a connection consumer for this connection (optional operation). * This is an expert facility not used by regular JMS clients. * * @param queue the queue to access * @param messageSelector only messages with properties matching the message * selector expression are delivered. A value of null or an * empty string indicates that there is no message selector * for the message consumer. * @param sessionPool the server session pool to associate with this * connection consumer * @param maxMessages the maximum number of messages that can be assigned to * a server session at one time * @return the connection consumer * @throws JMSException if the QueueConnection object fails * to create a connection consumer due to some internal * error or invalid arguments for sessionPool * and messageSelector. * @throws javax.jms.InvalidDestinationException if an invalid queue is * specified. * @throws javax.jms.InvalidSelectorException if the message selector is * invalid. * @see javax.jms.ConnectionConsumer */ @Override public ConnectionConsumer createConnectionConsumer(Queue queue, String messageSelector, ServerSessionPool sessionPool, int maxMessages) throws JMSException { return createConnectionConsumer(queue, messageSelector, sessionPool, maxMessages, false); } /** * Creates a connection consumer for this connection (optional operation). * This is an expert facility not used by regular JMS clients. * * @param destination the destination to access * @param messageSelector only messages with properties matching the message * selector expression are delivered. A value of null or an * empty string indicates that there is no message selector * for the message consumer. * @param sessionPool the server session pool to associate with this * connection consumer * @param maxMessages the maximum number of messages that can be assigned to * a server session at one time * @return the connection consumer * @throws JMSException if the Connection object fails to * create a connection consumer due to some internal error * or invalid arguments for sessionPool and * messageSelector. * @throws javax.jms.InvalidDestinationException if an invalid destination * is specified. * @throws javax.jms.InvalidSelectorException if the message selector is * invalid. * @see javax.jms.ConnectionConsumer * @since 1.1 */ @Override public ConnectionConsumer createConnectionConsumer(Destination destination, String messageSelector, ServerSessionPool sessionPool, int maxMessages) throws JMSException { return createConnectionConsumer(destination, messageSelector, sessionPool, maxMessages, false); } public ConnectionConsumer createConnectionConsumer(Destination destination, String messageSelector, ServerSessionPool sessionPool, int maxMessages, boolean noLocal) throws JMSException { checkClosedOrFailed(); ensureConnectionInfoSent(); ConsumerId consumerId = createConsumerId(); ConsumerInfo consumerInfo = new ConsumerInfo(consumerId); consumerInfo.setDestination(ActiveMQMessageTransformation.transformDestination(destination)); consumerInfo.setSelector(messageSelector); consumerInfo.setPrefetchSize(maxMessages); consumerInfo.setNoLocal(noLocal); consumerInfo.setDispatchAsync(isDispatchAsync()); // Allows the options on the destination to configure the consumerInfo if (consumerInfo.getDestination().getOptions() != null) { Map options = new HashMap(consumerInfo.getDestination().getOptions()); IntrospectionSupport.setProperties(consumerInfo, options, "consumer."); } return new ActiveMQConnectionConsumer(this, sessionPool, consumerInfo); } /** * @return */ private ConsumerId createConsumerId() { return new ConsumerId(connectionSessionId, consumerIdGenerator.getNextSequenceId()); } /** * @return */ private ProducerId createProducerId() { return new ProducerId(connectionSessionId, producerIdGenerator.getNextSequenceId()); } /** * Creates a QueueSession object. * * @param transacted indicates whether the session is transacted * @param acknowledgeMode indicates whether the consumer or the client will * acknowledge any messages it receives; ignored if the * session is transacted. Legal values are * Session.AUTO_ACKNOWLEDGE, * Session.CLIENT_ACKNOWLEDGE, and * Session.DUPS_OK_ACKNOWLEDGE. * @return a newly created queue session * @throws JMSException if the QueueConnection object fails * to create a session due to some internal error or lack of * support for the specific transaction and acknowledgement * mode. * @see Session#AUTO_ACKNOWLEDGE * @see Session#CLIENT_ACKNOWLEDGE * @see Session#DUPS_OK_ACKNOWLEDGE */ @Override public QueueSession createQueueSession(boolean transacted, int acknowledgeMode) throws JMSException { return new ActiveMQQueueSession((ActiveMQSession)createSession(transacted, acknowledgeMode)); } /** * Ensures that the clientID was manually specified and not auto-generated. * If the clientID was not specified this method will throw an exception. * This method is used to ensure that the clientID + durableSubscriber name * are used correctly. * * @throws JMSException */ public void checkClientIDWasManuallySpecified() throws JMSException { if (!userSpecifiedClientID) { throw new JMSException("You cannot create a durable subscriber without specifying a unique clientID on a Connection"); } } /** * send a Packet through the Connection - for internal use only * * @param command * @throws JMSException */ public void asyncSendPacket(Command command) throws JMSException { if (isClosed()) { throw new ConnectionClosedException(); } else { doAsyncSendPacket(command); } } private void doAsyncSendPacket(Command command) throws JMSException { try { this.transport.oneway(command); } catch (IOException e) { throw JMSExceptionSupport.create(e); } } /** * Send a packet through a Connection - for internal use only * * @param command * @return * @throws JMSException */ public void syncSendPacket(final Command command, final AsyncCallback onComplete) throws JMSException { if(onComplete==null) { syncSendPacket(command); } else { if (isClosed()) { throw new ConnectionClosedException(); } try { this.transport.asyncRequest(command, new ResponseCallback() { @Override public void onCompletion(FutureResponse resp) { Response response; Throwable exception = null; try { response = resp.getResult(); if (response.isException()) { ExceptionResponse er = (ExceptionResponse)response; exception = er.getException(); } } catch (Exception e) { exception = e; } if(exception!=null) { if ( exception instanceof JMSException) { onComplete.onException((JMSException) exception); } else { if (isClosed()||closing.get()) { LOG.debug("Received an exception but connection is closing"); } JMSException jmsEx = null; try { jmsEx = JMSExceptionSupport.create(exception); } catch(Throwable e) { LOG.error("Caught an exception trying to create a JMSException for " +exception,e); } // dispose of transport for security exceptions on connection initiation if (exception instanceof SecurityException && command instanceof ConnectionInfo){ Transport t = transport; if (null != t){ ServiceSupport.dispose(t); } } if (jmsEx !=null) { onComplete.onException(jmsEx); } } } else { onComplete.onSuccess(); } } }); } catch (IOException e) { throw JMSExceptionSupport.create(e); } } } public Response syncSendPacket(Command command) throws JMSException { if (isClosed()) { throw new ConnectionClosedException(); } else { try { Response response = (Response)this.transport.request(command); if (response.isException()) { ExceptionResponse er = (ExceptionResponse)response; if (er.getException() instanceof JMSException) { throw (JMSException)er.getException(); } else { if (isClosed()||closing.get()) { LOG.debug("Received an exception but connection is closing"); } JMSException jmsEx = null; try { jmsEx = JMSExceptionSupport.create(er.getException()); } catch(Throwable e) { LOG.error("Caught an exception trying to create a JMSException for " +er.getException(),e); } //dispose of transport for security exceptions if (er.getException() instanceof SecurityException && command instanceof ConnectionInfo){ Transport t = this.transport; if (null != t){ ServiceSupport.dispose(t); } } if (jmsEx !=null) { throw jmsEx; } } } return response; } catch (IOException e) { throw JMSExceptionSupport.create(e); } } } /** * Send a packet through a Connection - for internal use only * * @param command * @return * @throws JMSException */ public Response syncSendPacket(Command command, int timeout) throws JMSException { if (isClosed() || closing.get()) { throw new ConnectionClosedException(); } else { return doSyncSendPacket(command, timeout); } } private Response doSyncSendPacket(Command command, int timeout) throws JMSException { try { Response response = (Response) (timeout > 0 ? this.transport.request(command, timeout) : this.transport.request(command)); if (response != null && response.isException()) { ExceptionResponse er = (ExceptionResponse)response; if (er.getException() instanceof JMSException) { throw (JMSException)er.getException(); } else { throw JMSExceptionSupport.create(er.getException()); } } return response; } catch (IOException e) { throw JMSExceptionSupport.create(e); } } /** * @return statistics for this Connection */ @Override public StatsImpl getStats() { return stats; } /** * simply throws an exception if the Connection is already closed or the * Transport has failed * * @throws JMSException */ protected synchronized void checkClosedOrFailed() throws JMSException { checkClosed(); if (transportFailed.get()) { throw new ConnectionFailedException(firstFailureError); } } /** * simply throws an exception if the Connection is already closed * * @throws JMSException */ protected synchronized void checkClosed() throws JMSException { if (closed.get()) { throw new ConnectionClosedException(); } } /** * Send the ConnectionInfo to the Broker * * @throws JMSException */ protected void ensureConnectionInfoSent() throws JMSException { synchronized(this.ensureConnectionInfoSentMutex) { // Can we skip sending the ConnectionInfo packet?? if (isConnectionInfoSentToBroker || closed.get()) { return; } //TODO shouldn't this check be on userSpecifiedClientID rather than the value of clientID? if (info.getClientId() == null || info.getClientId().trim().length() == 0) { info.setClientId(clientIdGenerator.generateId()); } syncSendPacket(info.copy()); this.isConnectionInfoSentToBroker = true; // Add a temp destination advisory consumer so that // We know what the valid temporary destinations are on the // broker without having to do an RPC to the broker. ConsumerId consumerId = new ConsumerId(new SessionId(info.getConnectionId(), -1), consumerIdGenerator.getNextSequenceId()); if (watchTopicAdvisories) { advisoryConsumer = new AdvisoryConsumer(this, consumerId); } } } public synchronized boolean isWatchTopicAdvisories() { return watchTopicAdvisories; } public synchronized void setWatchTopicAdvisories(boolean watchTopicAdvisories) { this.watchTopicAdvisories = watchTopicAdvisories; } /** * @return Returns the useAsyncSend. */ public boolean isUseAsyncSend() { return useAsyncSend; } /** * Forces the use of Async Sends which * adds a massive performance boost; but means that the send() method will * return immediately whether the message has been sent or not which could * lead to message loss. */ public void setUseAsyncSend(boolean useAsyncSend) { this.useAsyncSend = useAsyncSend; } /** * @return true if always sync send messages */ public boolean isAlwaysSyncSend() { return this.alwaysSyncSend; } /** * Set true if always require messages to be sync sent * * @param alwaysSyncSend */ public void setAlwaysSyncSend(boolean alwaysSyncSend) { this.alwaysSyncSend = alwaysSyncSend; } /** * @return the messagePrioritySupported */ public boolean isMessagePrioritySupported() { return this.messagePrioritySupported; } /** * @param messagePrioritySupported the messagePrioritySupported to set */ public void setMessagePrioritySupported(boolean messagePrioritySupported) { this.messagePrioritySupported = messagePrioritySupported; } /** * Cleans up this connection so that it's state is as if the connection was * just created. This allows the Resource Adapter to clean up a connection * so that it can be reused without having to close and recreate the * connection. */ public void cleanup() throws JMSException { if (advisoryConsumer != null && !isTransportFailed()) { advisoryConsumer.dispose(); advisoryConsumer = null; } for (Iterator i = this.sessions.iterator(); i.hasNext();) { ActiveMQSession s = i.next(); s.dispose(); } for (Iterator i = this.connectionConsumers.iterator(); i.hasNext();) { ActiveMQConnectionConsumer c = i.next(); c.dispose(); } for (Iterator i = this.inputStreams.iterator(); i.hasNext();) { ActiveMQInputStream c = i.next(); c.dispose(); } for (Iterator i = this.outputStreams.iterator(); i.hasNext();) { ActiveMQOutputStream c = i.next(); c.dispose(); } if (isConnectionInfoSentToBroker) { if (!transportFailed.get() && !closing.get()) { syncSendPacket(info.createRemoveCommand()); } isConnectionInfoSentToBroker = false; } if (userSpecifiedClientID) { info.setClientId(null); userSpecifiedClientID = false; } clientIDSet = false; started.set(false); } @Override public void finalize() throws Throwable{ Scheduler s = this.scheduler; if (s != null){ s.stop(); } } /** * Changes the associated username/password that is associated with this * connection. If the connection has been used, you must called cleanup() * before calling this method. * * @throws IllegalStateException if the connection is in used. */ public void changeUserInfo(String userName, String password) throws JMSException { if (isConnectionInfoSentToBroker) { throw new IllegalStateException("changeUserInfo used Connection is not allowed"); } this.info.setUserName(userName); this.info.setPassword(password); } /** * @return Returns the resourceManagerId. * @throws JMSException */ public String getResourceManagerId() throws JMSException { waitForBrokerInfo(); if (brokerInfo == null) { throw new JMSException("Connection failed before Broker info was received."); } return brokerInfo.getBrokerId().getValue(); } /** * Returns the broker name if one is available or null if one is not * available yet. */ public String getBrokerName() { try { brokerInfoReceived.await(5, TimeUnit.SECONDS); if (brokerInfo == null) { return null; } return brokerInfo.getBrokerName(); } catch (InterruptedException e) { Thread.currentThread().interrupt(); return null; } } /** * Returns the broker information if it is available or null if it is not * available yet. */ public BrokerInfo getBrokerInfo() { return brokerInfo; } /** * @return Returns the RedeliveryPolicy. * @throws JMSException */ public RedeliveryPolicy getRedeliveryPolicy() throws JMSException { return redeliveryPolicyMap.getDefaultEntry(); } /** * Sets the redelivery policy to be used when messages are rolled back */ public void setRedeliveryPolicy(RedeliveryPolicy redeliveryPolicy) { this.redeliveryPolicyMap.setDefaultEntry(redeliveryPolicy); } public BlobTransferPolicy getBlobTransferPolicy() { if (blobTransferPolicy == null) { blobTransferPolicy = createBlobTransferPolicy(); } return blobTransferPolicy; } /** * Sets the policy used to describe how out-of-band BLOBs (Binary Large * OBjects) are transferred from producers to brokers to consumers */ public void setBlobTransferPolicy(BlobTransferPolicy blobTransferPolicy) { this.blobTransferPolicy = blobTransferPolicy; } /** * @return Returns the alwaysSessionAsync. */ public boolean isAlwaysSessionAsync() { return alwaysSessionAsync; } /** * If this flag is not set then a separate thread is not used for dispatching messages for each Session in * the Connection. However, a separate thread is always used if there is more than one session, or the session * isn't in auto acknowledge or duplicates ok mode. By default this value is set to true and session dispatch * happens asynchronously. */ public void setAlwaysSessionAsync(boolean alwaysSessionAsync) { this.alwaysSessionAsync = alwaysSessionAsync; } /** * @return Returns the optimizeAcknowledge. */ public boolean isOptimizeAcknowledge() { return optimizeAcknowledge; } /** * Enables an optimised acknowledgement mode where messages are acknowledged * in batches rather than individually * * @param optimizeAcknowledge The optimizeAcknowledge to set. */ public void setOptimizeAcknowledge(boolean optimizeAcknowledge) { this.optimizeAcknowledge = optimizeAcknowledge; } /** * The max time in milliseconds between optimized ack batches * @param optimizeAcknowledgeTimeOut */ public void setOptimizeAcknowledgeTimeOut(long optimizeAcknowledgeTimeOut) { this.optimizeAcknowledgeTimeOut = optimizeAcknowledgeTimeOut; } public long getOptimizeAcknowledgeTimeOut() { return optimizeAcknowledgeTimeOut; } public long getWarnAboutUnstartedConnectionTimeout() { return warnAboutUnstartedConnectionTimeout; } /** * Enables the timeout from a connection creation to when a warning is * generated if the connection is not properly started via {@link #start()} * and a message is received by a consumer. It is a very common gotcha to * forget to start * the connection so this option makes the default case to create a * warning if the user forgets. To disable the warning just set the value to < * 0 (say -1). */ public void setWarnAboutUnstartedConnectionTimeout(long warnAboutUnstartedConnectionTimeout) { this.warnAboutUnstartedConnectionTimeout = warnAboutUnstartedConnectionTimeout; } /** * @return the sendTimeout */ public int getSendTimeout() { return sendTimeout; } /** * @param sendTimeout the sendTimeout to set */ public void setSendTimeout(int sendTimeout) { this.sendTimeout = sendTimeout; } /** * @return the sendAcksAsync */ public boolean isSendAcksAsync() { return sendAcksAsync; } /** * @param sendAcksAsync the sendAcksAsync to set */ public void setSendAcksAsync(boolean sendAcksAsync) { this.sendAcksAsync = sendAcksAsync; } /** * Returns the time this connection was created */ public long getTimeCreated() { return timeCreated; } private void waitForBrokerInfo() throws JMSException { try { brokerInfoReceived.await(); } catch (InterruptedException e) { Thread.currentThread().interrupt(); throw JMSExceptionSupport.create(e); } } // Package protected so that it can be used in unit tests public Transport getTransport() { return transport; } public void addProducer(ProducerId producerId, ActiveMQMessageProducer producer) { producers.put(producerId, producer); } public void removeProducer(ProducerId producerId) { producers.remove(producerId); } public void addDispatcher(ConsumerId consumerId, ActiveMQDispatcher dispatcher) { dispatchers.put(consumerId, dispatcher); } public void removeDispatcher(ConsumerId consumerId) { dispatchers.remove(consumerId); } /** * @param o - the command to consume */ @Override public void onCommand(final Object o) { final Command command = (Command)o; if (!closed.get() && command != null) { try { command.visit(new CommandVisitorAdapter() { @Override public Response processMessageDispatch(MessageDispatch md) throws Exception { waitForTransportInterruptionProcessingToComplete(); ActiveMQDispatcher dispatcher = dispatchers.get(md.getConsumerId()); if (dispatcher != null) { // Copy in case a embedded broker is dispatching via // vm:// // md.getMessage() == null to signal end of queue // browse. Message msg = md.getMessage(); if (msg != null) { msg = msg.copy(); msg.setReadOnlyBody(true); msg.setReadOnlyProperties(true); msg.setRedeliveryCounter(md.getRedeliveryCounter()); msg.setConnection(ActiveMQConnection.this); msg.setMemoryUsage(null); md.setMessage(msg); } dispatcher.dispatch(md); } return null; } @Override public Response processProducerAck(ProducerAck pa) throws Exception { if (pa != null && pa.getProducerId() != null) { ActiveMQMessageProducer producer = producers.get(pa.getProducerId()); if (producer != null) { producer.onProducerAck(pa); } } return null; } @Override public Response processBrokerInfo(BrokerInfo info) throws Exception { brokerInfo = info; brokerInfoReceived.countDown(); optimizeAcknowledge &= !brokerInfo.isFaultTolerantConfiguration(); getBlobTransferPolicy().setBrokerUploadUrl(info.getBrokerUploadUrl()); return null; } @Override public Response processConnectionError(final ConnectionError error) throws Exception { executor.execute(new Runnable() { @Override public void run() { onAsyncException(error.getException()); } }); return null; } @Override public Response processControlCommand(ControlCommand command) throws Exception { onControlCommand(command); return null; } @Override public Response processConnectionControl(ConnectionControl control) throws Exception { onConnectionControl((ConnectionControl)command); return null; } @Override public Response processConsumerControl(ConsumerControl control) throws Exception { onConsumerControl((ConsumerControl)command); return null; } @Override public Response processWireFormat(WireFormatInfo info) throws Exception { onWireFormatInfo((WireFormatInfo)command); return null; } }); } catch (Exception e) { onClientInternalException(e); } } for (Iterator iter = transportListeners.iterator(); iter.hasNext();) { TransportListener listener = iter.next(); listener.onCommand(command); } } protected void onWireFormatInfo(WireFormatInfo info) { protocolVersion.set(info.getVersion()); } /** * Handles async client internal exceptions. * A client internal exception is usually one that has been thrown * by a container runtime component during asynchronous processing of a * message that does not affect the connection itself. * This method notifies the ClientInternalExceptionListener by invoking * its onException method, if one has been registered with this connection. * * @param error the exception that the problem */ public void onClientInternalException(final Throwable error) { if ( !closed.get() && !closing.get() ) { if ( this.clientInternalExceptionListener != null ) { executor.execute(new Runnable() { @Override public void run() { ActiveMQConnection.this.clientInternalExceptionListener.onException(error); } }); } else { LOG.debug("Async client internal exception occurred with no exception listener registered: " + error, error); } } } /** * Used for handling async exceptions * * @param error */ public void onAsyncException(Throwable error) { if (!closed.get() && !closing.get()) { if (this.exceptionListener != null) { if (!(error instanceof JMSException)) { error = JMSExceptionSupport.create(error); } final JMSException e = (JMSException)error; executor.execute(new Runnable() { @Override public void run() { ActiveMQConnection.this.exceptionListener.onException(e); } }); } else { LOG.debug("Async exception with no exception listener: " + error, error); } } } @Override public void onException(final IOException error) { onAsyncException(error); if (!closing.get() && !closed.get()) { executor.execute(new Runnable() { @Override public void run() { transportFailed(error); ServiceSupport.dispose(ActiveMQConnection.this.transport); brokerInfoReceived.countDown(); try { cleanup(); } catch (JMSException e) { LOG.warn("Exception during connection cleanup, " + e, e); } for (Iterator iter = transportListeners.iterator(); iter.hasNext();) { TransportListener listener = iter.next(); listener.onException(error); } } }); } } @Override public void transportInterupted() { transportInterruptionProcessingComplete.set(1); for (Iterator i = this.sessions.iterator(); i.hasNext();) { ActiveMQSession s = i.next(); s.clearMessagesInProgress(transportInterruptionProcessingComplete); } for (ActiveMQConnectionConsumer connectionConsumer : this.connectionConsumers) { connectionConsumer.clearMessagesInProgress(transportInterruptionProcessingComplete); } if (transportInterruptionProcessingComplete.decrementAndGet() > 0) { if (LOG.isDebugEnabled()) { LOG.debug("transport interrupted - processing required, dispatchers: " + transportInterruptionProcessingComplete.get()); } signalInterruptionProcessingNeeded(); } for (Iterator iter = transportListeners.iterator(); iter.hasNext();) { TransportListener listener = iter.next(); listener.transportInterupted(); } } @Override public void transportResumed() { for (Iterator iter = transportListeners.iterator(); iter.hasNext();) { TransportListener listener = iter.next(); listener.transportResumed(); } } /** * Create the DestinationInfo object for the temporary destination. * * @param topic - if its true topic, else queue. * @return DestinationInfo * @throws JMSException */ protected ActiveMQTempDestination createTempDestination(boolean topic) throws JMSException { // Check if Destination info is of temporary type. ActiveMQTempDestination dest; if (topic) { dest = new ActiveMQTempTopic(info.getConnectionId(), tempDestinationIdGenerator.getNextSequenceId()); } else { dest = new ActiveMQTempQueue(info.getConnectionId(), tempDestinationIdGenerator.getNextSequenceId()); } DestinationInfo info = new DestinationInfo(); info.setConnectionId(this.info.getConnectionId()); info.setOperationType(DestinationInfo.ADD_OPERATION_TYPE); info.setDestination(dest); syncSendPacket(info); dest.setConnection(this); activeTempDestinations.put(dest, dest); return dest; } /** * @param destination * @throws JMSException */ public void deleteTempDestination(ActiveMQTempDestination destination) throws JMSException { checkClosedOrFailed(); for (ActiveMQSession session : this.sessions) { if (session.isInUse(destination)) { throw new JMSException("A consumer is consuming from the temporary destination"); } } activeTempDestinations.remove(destination); DestinationInfo destInfo = new DestinationInfo(); destInfo.setConnectionId(this.info.getConnectionId()); destInfo.setOperationType(DestinationInfo.REMOVE_OPERATION_TYPE); destInfo.setDestination(destination); destInfo.setTimeout(0); syncSendPacket(destInfo); } public boolean isDeleted(ActiveMQDestination dest) { // If we are not watching the advisories.. then // we will assume that the temp destination does exist. if (advisoryConsumer == null) { return false; } return !activeTempDestinations.contains(dest); } public boolean isCopyMessageOnSend() { return copyMessageOnSend; } public LongSequenceGenerator getLocalTransactionIdGenerator() { return localTransactionIdGenerator; } public boolean isUseCompression() { return useCompression; } /** * Enables the use of compression of the message bodies */ public void setUseCompression(boolean useCompression) { this.useCompression = useCompression; } public void destroyDestination(ActiveMQDestination destination) throws JMSException { checkClosedOrFailed(); ensureConnectionInfoSent(); DestinationInfo info = new DestinationInfo(); info.setConnectionId(this.info.getConnectionId()); info.setOperationType(DestinationInfo.REMOVE_OPERATION_TYPE); info.setDestination(destination); info.setTimeout(0); syncSendPacket(info); } public boolean isDispatchAsync() { return dispatchAsync; } /** * Enables or disables the default setting of whether or not consumers have * their messages dispatched * synchronously or asynchronously by the broker. For non-durable * topics for example we typically dispatch synchronously by default to * minimize context switches which boost performance. However sometimes its * better to go slower to ensure that a single blocked consumer socket does * not block delivery to other consumers. * * @param asyncDispatch If true then consumers created on this connection * will default to having their messages dispatched * asynchronously. The default value is true. */ public void setDispatchAsync(boolean asyncDispatch) { this.dispatchAsync = asyncDispatch; } public boolean isObjectMessageSerializationDefered() { return objectMessageSerializationDefered; } /** * When an object is set on an ObjectMessage, the JMS spec requires the * object to be serialized by that set method. Enabling this flag causes the * object to not get serialized. The object may subsequently get serialized * if the message needs to be sent over a socket or stored to disk. */ public void setObjectMessageSerializationDefered(boolean objectMessageSerializationDefered) { this.objectMessageSerializationDefered = objectMessageSerializationDefered; } @Override public InputStream createInputStream(Destination dest) throws JMSException { return createInputStream(dest, null); } @Override public InputStream createInputStream(Destination dest, String messageSelector) throws JMSException { return createInputStream(dest, messageSelector, false); } @Override public InputStream createInputStream(Destination dest, String messageSelector, boolean noLocal) throws JMSException { return createInputStream(dest, messageSelector, noLocal, -1); } @Override public InputStream createInputStream(Destination dest, String messageSelector, boolean noLocal, long timeout) throws JMSException { return doCreateInputStream(dest, messageSelector, noLocal, null, timeout); } @Override public InputStream createDurableInputStream(Topic dest, String name) throws JMSException { return createInputStream(dest, null, false); } @Override public InputStream createDurableInputStream(Topic dest, String name, String messageSelector) throws JMSException { return createDurableInputStream(dest, name, messageSelector, false); } @Override public InputStream createDurableInputStream(Topic dest, String name, String messageSelector, boolean noLocal) throws JMSException { return createDurableInputStream(dest, name, messageSelector, noLocal, -1); } @Override public InputStream createDurableInputStream(Topic dest, String name, String messageSelector, boolean noLocal, long timeout) throws JMSException { return doCreateInputStream(dest, messageSelector, noLocal, name, timeout); } private InputStream doCreateInputStream(Destination dest, String messageSelector, boolean noLocal, String subName, long timeout) throws JMSException { checkClosedOrFailed(); ensureConnectionInfoSent(); return new ActiveMQInputStream(this, createConsumerId(), ActiveMQDestination.transform(dest), messageSelector, noLocal, subName, prefetchPolicy.getInputStreamPrefetch(), timeout); } /** * Creates a persistent output stream; individual messages will be written * to disk/database by the broker */ @Override public OutputStream createOutputStream(Destination dest) throws JMSException { return createOutputStream(dest, null, ActiveMQMessage.DEFAULT_DELIVERY_MODE, ActiveMQMessage.DEFAULT_PRIORITY, ActiveMQMessage.DEFAULT_TIME_TO_LIVE); } /** * Creates a non persistent output stream; messages will not be written to * disk */ public OutputStream createNonPersistentOutputStream(Destination dest) throws JMSException { return createOutputStream(dest, null, DeliveryMode.NON_PERSISTENT, ActiveMQMessage.DEFAULT_PRIORITY, ActiveMQMessage.DEFAULT_TIME_TO_LIVE); } /** * Creates an output stream allowing full control over the delivery mode, * the priority and time to live of the messages and the properties added to * messages on the stream. * * @param streamProperties defines a map of key-value pairs where the keys * are strings and the values are primitive values (numbers * and strings) which are appended to the messages similarly * to using the * {@link javax.jms.Message#setObjectProperty(String, Object)} * method */ @Override public OutputStream createOutputStream(Destination dest, Map streamProperties, int deliveryMode, int priority, long timeToLive) throws JMSException { checkClosedOrFailed(); ensureConnectionInfoSent(); return new ActiveMQOutputStream(this, createProducerId(), ActiveMQDestination.transform(dest), streamProperties, deliveryMode, priority, timeToLive); } /** * Unsubscribes a durable subscription that has been created by a client. *

* This method deletes the state being maintained on behalf of the * subscriber by its provider. *

* It is erroneous for a client to delete a durable subscription while there * is an active MessageConsumer or * TopicSubscriber for the subscription, or while a consumed * message is part of a pending transaction or has not been acknowledged in * the session. * * @param name the name used to identify this subscription * @throws JMSException if the session fails to unsubscribe to the durable * subscription due to some internal error. * @throws InvalidDestinationException if an invalid subscription name is * specified. * @since 1.1 */ @Override public void unsubscribe(String name) throws InvalidDestinationException, JMSException { checkClosedOrFailed(); RemoveSubscriptionInfo rsi = new RemoveSubscriptionInfo(); rsi.setConnectionId(getConnectionInfo().getConnectionId()); rsi.setSubscriptionName(name); rsi.setClientId(getConnectionInfo().getClientId()); syncSendPacket(rsi); } /** * Internal send method optimized: - It does not copy the message - It can * only handle ActiveMQ messages. - You can specify if the send is async or * sync - Does not allow you to send /w a transaction. */ void send(ActiveMQDestination destination, ActiveMQMessage msg, MessageId messageId, int deliveryMode, int priority, long timeToLive, boolean async) throws JMSException { checkClosedOrFailed(); if (destination.isTemporary() && isDeleted(destination)) { throw new JMSException("Cannot publish to a deleted Destination: " + destination); } msg.setJMSDestination(destination); msg.setJMSDeliveryMode(deliveryMode); long expiration = 0L; if (!isDisableTimeStampsByDefault()) { long timeStamp = System.currentTimeMillis(); msg.setJMSTimestamp(timeStamp); if (timeToLive > 0) { expiration = timeToLive + timeStamp; } } msg.setJMSExpiration(expiration); msg.setJMSPriority(priority); msg.setJMSRedelivered(false); msg.setMessageId(messageId); msg.onSend(); msg.setProducerId(msg.getMessageId().getProducerId()); if (LOG.isDebugEnabled()) { LOG.debug("Sending message: " + msg); } if (async) { asyncSendPacket(msg); } else { syncSendPacket(msg); } } public void addOutputStream(ActiveMQOutputStream stream) { outputStreams.add(stream); } public void removeOutputStream(ActiveMQOutputStream stream) { outputStreams.remove(stream); } public void addInputStream(ActiveMQInputStream stream) { inputStreams.add(stream); } public void removeInputStream(ActiveMQInputStream stream) { inputStreams.remove(stream); } protected void onControlCommand(ControlCommand command) { String text = command.getCommand(); if (text != null) { if ("shutdown".equals(text)) { LOG.info("JVM told to shutdown"); System.exit(0); } // TODO Should we handle the "close" case? // if (false && "close".equals(text)){ // LOG.error("Broker " + getBrokerInfo() + "shutdown connection"); // try { // close(); // } catch (JMSException e) { // } // } } } protected void onConnectionControl(ConnectionControl command) { if (command.isFaultTolerant()) { this.optimizeAcknowledge = false; for (Iterator i = this.sessions.iterator(); i.hasNext();) { ActiveMQSession s = i.next(); s.setOptimizeAcknowledge(false); } } } protected void onConsumerControl(ConsumerControl command) { if (command.isClose()) { for (ActiveMQSession session : this.sessions) { session.close(command.getConsumerId()); } } else { for (ActiveMQSession session : this.sessions) { session.setPrefetchSize(command.getConsumerId(), command.getPrefetch()); } for (ActiveMQConnectionConsumer connectionConsumer: connectionConsumers) { ConsumerInfo consumerInfo = connectionConsumer.getConsumerInfo(); if (consumerInfo.getConsumerId().equals(command.getConsumerId())) { consumerInfo.setPrefetchSize(command.getPrefetch()); } } } } protected void transportFailed(IOException error) { transportFailed.set(true); if (firstFailureError == null) { firstFailureError = error; } } /** * Should a JMS message be copied to a new JMS Message object as part of the * send() method in JMS. This is enabled by default to be compliant with the * JMS specification. You can disable it if you do not mutate JMS messages * after they are sent for a performance boost */ public void setCopyMessageOnSend(boolean copyMessageOnSend) { this.copyMessageOnSend = copyMessageOnSend; } @Override public String toString() { return "ActiveMQConnection {id=" + info.getConnectionId() + ",clientId=" + info.getClientId() + ",started=" + started.get() + "}"; } protected BlobTransferPolicy createBlobTransferPolicy() { return new BlobTransferPolicy(); } public int getProtocolVersion() { return protocolVersion.get(); } public int getProducerWindowSize() { return producerWindowSize; } public void setProducerWindowSize(int producerWindowSize) { this.producerWindowSize = producerWindowSize; } public void setAuditDepth(int auditDepth) { connectionAudit.setAuditDepth(auditDepth); } public void setAuditMaximumProducerNumber(int auditMaximumProducerNumber) { connectionAudit.setAuditMaximumProducerNumber(auditMaximumProducerNumber); } protected void removeDispatcher(ActiveMQDispatcher dispatcher) { connectionAudit.removeDispatcher(dispatcher); } protected boolean isDuplicate(ActiveMQDispatcher dispatcher, Message message) { return checkForDuplicates && connectionAudit.isDuplicate(dispatcher, message); } protected void rollbackDuplicate(ActiveMQDispatcher dispatcher, Message message) { connectionAudit.rollbackDuplicate(dispatcher, message); } public IOException getFirstFailureError() { return firstFailureError; } protected void waitForTransportInterruptionProcessingToComplete() throws InterruptedException { if (!closed.get() && !transportFailed.get() && transportInterruptionProcessingComplete.get()>0) { LOG.warn("dispatch with outstanding dispatch interruption processing count " + transportInterruptionProcessingComplete.get()); signalInterruptionProcessingComplete(); } } protected void transportInterruptionProcessingComplete() { if (transportInterruptionProcessingComplete.decrementAndGet() == 0) { signalInterruptionProcessingComplete(); } } private void signalInterruptionProcessingComplete() { if (LOG.isDebugEnabled()) { LOG.debug("transportInterruptionProcessingComplete: " + transportInterruptionProcessingComplete.get() + " for:" + this.getConnectionInfo().getConnectionId()); } FailoverTransport failoverTransport = transport.narrow(FailoverTransport.class); if (failoverTransport != null) { failoverTransport.connectionInterruptProcessingComplete(this.getConnectionInfo().getConnectionId()); if (LOG.isDebugEnabled()) { LOG.debug("notified failover transport (" + failoverTransport + ") of interruption completion for: " + this.getConnectionInfo().getConnectionId()); } } transportInterruptionProcessingComplete.set(0); } private void signalInterruptionProcessingNeeded() { FailoverTransport failoverTransport = transport.narrow(FailoverTransport.class); if (failoverTransport != null) { failoverTransport.getStateTracker().transportInterrupted(this.getConnectionInfo().getConnectionId()); if (LOG.isDebugEnabled()) { LOG.debug("notified failover transport (" + failoverTransport + ") of pending interruption processing for: " + this.getConnectionInfo().getConnectionId()); } } } /* * specify the amount of time in milliseconds that a consumer with a transaction pending recovery * will wait to receive re dispatched messages. * default value is 0 so there is no wait by default. */ public void setConsumerFailoverRedeliveryWaitPeriod(long consumerFailoverRedeliveryWaitPeriod) { this.consumerFailoverRedeliveryWaitPeriod = consumerFailoverRedeliveryWaitPeriod; } public long getConsumerFailoverRedeliveryWaitPeriod() { return consumerFailoverRedeliveryWaitPeriod; } protected Scheduler getScheduler() throws JMSException { Scheduler result = scheduler; if (result == null) { synchronized (this) { result = scheduler; if (result == null) { checkClosed(); try { result = scheduler = new Scheduler("ActiveMQConnection["+info.getConnectionId().getValue()+"] Scheduler"); scheduler.start(); } catch(Exception e) { throw JMSExceptionSupport.create(e); } } } } return result; } protected ThreadPoolExecutor getExecutor() { return this.executor; } /** * @return the checkForDuplicates */ public boolean isCheckForDuplicates() { return this.checkForDuplicates; } /** * @param checkForDuplicates the checkForDuplicates to set */ public void setCheckForDuplicates(boolean checkForDuplicates) { this.checkForDuplicates = checkForDuplicates; } public boolean isTransactedIndividualAck() { return transactedIndividualAck; } public void setTransactedIndividualAck(boolean transactedIndividualAck) { this.transactedIndividualAck = transactedIndividualAck; } public boolean isNonBlockingRedelivery() { return nonBlockingRedelivery; } public void setNonBlockingRedelivery(boolean nonBlockingRedelivery) { this.nonBlockingRedelivery = nonBlockingRedelivery; } /** * Removes any TempDestinations that this connection has cached, ignoring * any exceptions generated because the destination is in use as they should * not be removed. * Used from a pooled connection, b/c it will not be explicitly closed. */ public void cleanUpTempDestinations() { if (this.activeTempDestinations == null || this.activeTempDestinations.isEmpty()) { return; } Iterator> entries = this.activeTempDestinations.entrySet().iterator(); while(entries.hasNext()) { ConcurrentHashMap.Entry entry = entries.next(); try { // Only delete this temp destination if it was created from this connection. The connection used // for the advisory consumer may also have a reference to this temp destination. ActiveMQTempDestination dest = entry.getValue(); String thisConnectionId = (info.getConnectionId() == null) ? "" : info.getConnectionId().toString(); if (dest.getConnectionId() != null && dest.getConnectionId().equals(thisConnectionId)) { this.deleteTempDestination(entry.getValue()); } } catch (Exception ex) { // the temp dest is in use so it can not be deleted. // it is ok to leave it to connection tear down phase } } } /** * Sets the Connection wide RedeliveryPolicyMap for handling messages that are being rolled back. * @param redeliveryPolicyMap the redeliveryPolicyMap to set */ public void setRedeliveryPolicyMap(RedeliveryPolicyMap redeliveryPolicyMap) { this.redeliveryPolicyMap = redeliveryPolicyMap; } /** * Gets the Connection's configured RedeliveryPolicyMap which will be used by all the * Consumers when dealing with transaction messages that have been rolled back. * * @return the redeliveryPolicyMap */ public RedeliveryPolicyMap getRedeliveryPolicyMap() { return redeliveryPolicyMap; } public int getMaxThreadPoolSize() { return maxThreadPoolSize; } public void setMaxThreadPoolSize(int maxThreadPoolSize) { this.maxThreadPoolSize = maxThreadPoolSize; } /** * Enable enforcement of QueueConnection semantics. * * @return this object, useful for chaining */ ActiveMQConnection enforceQueueOnlyConnection() { this.queueOnlyConnection = true; return this; } public RejectedExecutionHandler getRejectedTaskHandler() { return rejectedTaskHandler; } public void setRejectedTaskHandler(RejectedExecutionHandler rejectedTaskHandler) { this.rejectedTaskHandler = rejectedTaskHandler; } /** * Gets the configured time interval that is used to force all MessageConsumers that have optimizedAcknowledge enabled * to send an ack for any outstanding Message Acks. By default this value is set to zero meaning that the consumers * will not do any background Message acknowledgment. * * @return the scheduledOptimizedAckInterval */ public long getOptimizedAckScheduledAckInterval() { return optimizedAckScheduledAckInterval; } /** * Sets the amount of time between scheduled sends of any outstanding Message Acks for consumers that * have been configured with optimizeAcknowledge enabled. * * @param optimizedAckScheduledAckInterval the scheduledOptimizedAckInterval to set */ public void setOptimizedAckScheduledAckInterval(long optimizedAckScheduledAckInterval) { this.optimizedAckScheduledAckInterval = optimizedAckScheduledAckInterval; } }





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