Examples of org.apache.activemq.util.Callback

org.apache.activemq.util.Callback
A simple callback object used by the {@link org.apache.activemq.util.TransactionTemplate}and {@link org.apache.activemq.util.ExceptionTemplate}objects to provide automatic transactional or exception handling blocks. @version $Revision: 1.2 $

            
            this.messages = new LinkedHashMap();
            this.messageAcks = new ArrayList();            
        }


        transactionTemplate.run(new Callback() {
            public void execute() throws Exception {


                int size = 0;
                
                PersistenceAdapter persitanceAdapter = transactionTemplate.getPersistenceAdapter();

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            this.messages = new LinkedHashMap();
            this.messageAcks = new ArrayList();            
        }


        transactionTemplate.run(new Callback() {
            public void execute() throws Exception {


                int size = 0;
                
                PersistenceAdapter persitanceAdapter = transactionTemplate.getPersistenceAdapter();

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                //TODO: Ack it without delivery to client
                continue;
            }
            
            if( isClientAcknowledge() ) {
                message.setAcknowledgeCallback(new Callback() {
                    public void execute() throws Exception {
                    }
                });
            }

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            if (transformedMessage != null) {
                m = ActiveMQMessageTransformation.transformMessage(transformedMessage, session.connection);
            }
        }
        if (session.isClientAcknowledge()) {
            m.setAcknowledgeCallback(new Callback() {
                public void execute() throws Exception {
                    session.checkClosed();
                    session.acknowledge();
                }
            });
        }else if (session.isIndividualAcknowledge()) {
            m.setAcknowledgeCallback(new Callback() {
                public void execute() throws Exception {
                    session.checkClosed();
                    acknowledge(md);
                }
            });

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            super.doStart();
        }
    }
    
    protected void doStop(ServiceStopper stopper) throws Exception {
        stopper.run(new Callback() {
            public void execute() throws Exception {
                safeClose(sendConnection);
            }
        });
        sendConnection = null;
        stopper.run(new Callback() {
            public void execute() {
                safeClose(receiveConnection);
            }
        });
    }

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     * @return
     */
    private ActiveMQMessage createActiveMQMessage(final MessageDispatch md) {
        ActiveMQMessage m = (ActiveMQMessage) md.getMessage().copy();
        if (session.isClientAcknowledge()) {
            m.setAcknowledgeCallback(new Callback() {
                public void execute() throws Exception {
                    session.checkClosed();
                    session.acknowledge();
                }
            });

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            super.doStart();
        }
    }


    protected void doStop(ServiceStopper stopper) throws Exception {
        stopper.run(new Callback() {
            public void execute() throws Exception {
                safeClose(sendConnection);
            }
        });
        sendConnection = null;
        stopper.run(new Callback() {
            public void execute() {
                safeClose(receiveConnection);
            }
        });
    }

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                // TODO: Ack it without delivery to client
                continue;
            }


            if (isClientAcknowledge()||isIndividualAcknowledge()) {
                message.setAcknowledgeCallback(new Callback() {
                    public void execute() throws Exception {
                    }
                });
            }

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            if (transformedMessage != null) {
                m = ActiveMQMessageTransformation.transformMessage(transformedMessage, session.connection);
            }
        }
        if (session.isClientAcknowledge()) {
            m.setAcknowledgeCallback(new Callback() {
                public void execute() throws Exception {
                    session.checkClosed();
                    session.acknowledge();
                }
            });
        }else if (session.isIndividualAcknowledge()) {
            m.setAcknowledgeCallback(new Callback() {
                public void execute() throws Exception {
                    session.checkClosed();
                    acknowledge(md);
                }
            });

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        synchronized (this) {
            cpAckedLastAckLocations = this.ackedLastAckLocations;
            this.ackedLastAckLocations = new HashMap<SubscriptionKey, MessageId>();
        }


        return super.checkpoint(new Callback() {
            public void execute() throws Exception {


                // Checkpoint the acknowledged messages.
                Iterator<SubscriptionKey> iterator = cpAckedLastAckLocations.keySet().iterator();
                while (iterator.hasNext()) {

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