Package org.apache.activemq.state

Examples of org.apache.activemq.state.SessionState

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    public Response processRemoveProducer(ProducerId id) throws Exception {
        SessionId sessionId = id.getParentId();
        ConnectionId connectionId = sessionId.getParentId();
        TransportConnectionState cs = lookupConnectionState(connectionId);
        SessionState ss = cs.getSessionState(sessionId);
        if (ss == null) {
            throw new IllegalStateException("Cannot remove a producer from a session that had not been registered: "
                    + sessionId);
        }
        ProducerState ps = ss.removeProducer(id);
        if (ps == null) {
            throw new IllegalStateException("Cannot remove a producer that had not been registered: " + id);
        }
        removeProducerBrokerExchange(id);
        broker.removeProducer(cs.getContext(), ps.getInfo());
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        TransportConnectionState cs = lookupConnectionState(connectionId);
        if (cs == null) {
            throw new IllegalStateException("Cannot add a consumer to a connection that had not been registered: "
                    + connectionId);
        }
        SessionState ss = cs.getSessionState(sessionId);
        if (ss == null) {
            throw new IllegalStateException(broker.getBrokerName()
                    + " Cannot add a consumer to a session that had not been registered: " + sessionId);
        }
        // Avoid replaying dup commands
        if (!ss.getConsumerIds().contains(info.getConsumerId())) {
            ActiveMQDestination destination = info.getDestination();
            if (destination != null && !AdvisorySupport.isAdvisoryTopic(destination)) {
                if (getConsumerCount(connectionId) >= connector.getMaximumConsumersAllowedPerConnection()){
                    throw new IllegalStateException("Can't add consumer on connection " + connectionId + ": at maximum limit: " + connector.getMaximumConsumersAllowedPerConnection());
                }
            }

            broker.addConsumer(cs.getContext(), info);
            try {
                ss.addConsumer(info);
                addConsumerBrokerExchange(info.getConsumerId());
            } catch (IllegalStateException e) {
                broker.removeConsumer(cs.getContext(), info);
            }
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        TransportConnectionState cs = lookupConnectionState(connectionId);
        if (cs == null) {
            throw new IllegalStateException("Cannot remove a consumer from a connection that had not been registered: "
                    + connectionId);
        }
        SessionState ss = cs.getSessionState(sessionId);
        if (ss == null) {
            throw new IllegalStateException("Cannot remove a consumer from a session that had not been registered: "
                    + sessionId);
        }
        ConsumerState consumerState = ss.removeConsumer(id);
        if (consumerState == null) {
            throw new IllegalStateException("Cannot remove a consumer that had not been registered: " + id);
        }
        ConsumerInfo info = consumerState.getInfo();
        info.setLastDeliveredSequenceId(lastDeliveredSequenceId);
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        ConnectionId connectionId = id.getParentId();
        TransportConnectionState cs = lookupConnectionState(connectionId);
        if (cs == null) {
            throw new IllegalStateException("Cannot remove session from connection that had not been registered: " + connectionId);
        }
        SessionState session = cs.getSessionState(id);
        if (session == null) {
            throw new IllegalStateException("Cannot remove session that had not been registered: " + id);
        }
        // Don't let new consumers or producers get added while we are closing
        // this down.
        session.shutdown();
        // Cascade the connection stop to the consumers and producers.
        for (ConsumerId consumerId : session.getConsumerIds()) {
            try {
                processRemoveConsumer(consumerId, lastDeliveredSequenceId);
            } catch (Throwable e) {
                LOG.warn("Failed to remove consumer: " + consumerId + ". Reason: " + e, e);
            }
        }
        for (ProducerId producerId : session.getProducerIds()) {
            try {
                processRemoveProducer(producerId);
            } catch (Throwable e) {
                LOG.warn("Failed to remove producer: " + producerId + ". Reason: " + e, e);
            }
        }
        cs.removeSession(id);
        broker.removeSession(cs.getContext(), session.getInfo());
        return null;
    }
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        // If the message originates from this client connection,
        // then, finde the associated producer state so we can do some dup detection.
        ProducerState producerState=null;       
        if( messageSend.getMessageId().getProducerId().equals( messageSend.getProducerId() ) ) {
            SessionState ss = state.getSessionState(producerId.getParentId());
            if( ss == null )
                throw new IllegalStateException("Cannot send from a session that had not been registered: "+producerId.getParentId());
            producerState = ss.getProducerState(producerId);
        }
       
        if( producerState == null ) {
            broker.send(context, messageSend);
        } else {
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    public Response processAddProducer(ProducerInfo info) throws Exception {
        SessionId sessionId = info.getProducerId().getParentId();
        ConnectionId connectionId = sessionId.getParentId();
       
        ConnectionState cs = lookupConnectionState(connectionId);
        SessionState ss = cs.getSessionState(sessionId);
        if( ss == null )
            throw new IllegalStateException("Cannot add a producer to a session that had not been registered: "+sessionId);

        // Avoid replaying dup commands
        if( !ss.getProducerIds().contains(info.getProducerId()) ) {
            broker.addProducer(cs.getContext(), info);
            try {
                ss.addProducer(info);
            } catch (IllegalStateException e) {
                broker.removeProducer(cs.getContext(), info);
            }
        }
        return null;
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    public Response processRemoveProducer(ProducerId id) throws Exception {
        SessionId sessionId = id.getParentId();
        ConnectionId connectionId = sessionId.getParentId();
       
        ConnectionState cs = lookupConnectionState(connectionId);
        SessionState ss = cs.getSessionState(sessionId);
        if( ss == null )
            throw new IllegalStateException("Cannot remove a producer from a session that had not been registered: "+sessionId);
        ProducerState ps = ss.removeProducer(id);
        if( ps == null )
            throw new IllegalStateException("Cannot remove a producer that had not been registered: "+id);
       
        broker.removeProducer(cs.getContext(), ps.getInfo());
        return null;
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    public Response processAddConsumer(ConsumerInfo info) throws Exception {
        SessionId sessionId = info.getConsumerId().getParentId();
        ConnectionId connectionId = sessionId.getParentId();
       
        ConnectionState cs = lookupConnectionState(connectionId);
        SessionState ss = cs.getSessionState(sessionId);
        if( ss == null )
            throw new IllegalStateException("Cannot add a consumer to a session that had not been registered: "+sessionId);

        // Avoid replaying dup commands
        if( !ss.getConsumerIds().contains(info.getConsumerId()) ) {
            broker.addConsumer(cs.getContext(), info);
            try {
                ss.addConsumer(info);
            } catch (IllegalStateException e) {
                broker.removeConsumer(cs.getContext(), info);
            }
        }
       
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        SessionId sessionId = id.getParentId();
        ConnectionId connectionId = sessionId.getParentId();
       
        ConnectionState cs = lookupConnectionState(connectionId);
        SessionState ss = cs.getSessionState(sessionId);
        if( ss == null )
            throw new IllegalStateException("Cannot remove a consumer from a session that had not been registered: "+sessionId);
        ConsumerState consumerState = ss.removeConsumer(id);
        if( consumerState == null )
            throw new IllegalStateException("Cannot remove a consumer that had not been registered: "+id);
       
        broker.removeConsumer(cs.getContext(), consumerState.getInfo());
        return null;
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    public Response processRemoveSession(SessionId id) throws Exception {
       
        ConnectionId connectionId = id.getParentId();
       
        ConnectionState cs = lookupConnectionState(connectionId);
        SessionState session = cs.getSessionState(id);

        if( session == null )
            throw new IllegalStateException("Cannot remove session that had not been registered: "+id);

        // Don't let new consumers or producers get added while we are closing this down.
        session.shutdown();
       
        // Cascade the connection stop to the consumers and producers.
        for (Iterator iter = session.getConsumerIds().iterator(); iter.hasNext();) {
            ConsumerId consumerId = (ConsumerId) iter.next();
            try {
                processRemoveConsumer(consumerId);
            }
            catch (Throwable e) {
                log.warn("Failed to remove consumer: " + consumerId + ". Reason: " + e, e);
            }
        }
        for (Iterator iter = session.getProducerIds().iterator(); iter.hasNext();) {
            ProducerId producerId = (ProducerId) iter.next();
            try {
                processRemoveProducer(producerId);
            }
            catch (Throwable e) {
                log.warn("Failed to remove producer: " + producerId + ". Reason: " + e, e);
            }
        }
        cs.removeSession(id);
        broker.removeSession(cs.getContext(), session.getInfo());
        return null;
    }
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Related Classes of org.apache.activemq.state.SessionState

  • org.apache.activemq.broker.TransportConnection
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