Fixed some small grammatical and spelling mistakes in the readme
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README.md
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README.md
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@ -107,7 +107,7 @@ channel.bindQueue("my-exchange", "my-queue");
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A number of remarks about the example above. First you may have noticed that we've
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created all objects on the stack. You are of course also free to create them
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on the heap with the C++ operator 'new'. That works just as good, and is in real
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on the heap with the C++ operator 'new'. That works just as well, and is in real
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life code probably more useful as you normally want to keep your handlers, connection
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and channel objects around for a much longer time.
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@ -233,8 +233,8 @@ RabbitMQ server, so some extra bytes are sent over the network,
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and some additional resources in both the client application and the
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RabbitMQ server are used (although this is all very limited).
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Let's get back to the ChannelHandler class. It has many methods that you can all
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implement - but you do not have to that. All methods in it have a default empty implementation,
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Let's get back to the ChannelHandler class. It has many methods that you can
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implement - all of which are optional. All methods in it have a default empty implementation,
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so you can choose to only override the ones that you are interested in. When you're
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writing a consumer application for example, you probably are only interested in
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errors that occur, and in incoming messages:
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@ -389,8 +389,8 @@ bool publish(const std::string &exchange, const std::string &routingKey, const c
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Published messages are normally not confirmed by the server, hence there is no
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ChannelHandler::onPublished() method that you can implement to find out if
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a message was correctly received by the server. That's on purpose the design of
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the AMQP protocol, to not unnecessarily slow down message publishing. As long
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a message was correctly received by the server. That's by design in the
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AMQP protocol, to not unnecessarily slow down message publishing. As long
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as no error is reported via the ChannelHandler::onError() method, you can safely
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assume that your messages were delivered.
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@ -409,13 +409,12 @@ the method Channel::consume(). After you've called this method, RabbitMQ starts
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delivering messages to you.
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Just like the publish() method that we just described, the consume() method also
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comes in many forms. They all have in common that the first argument should be
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the name of the queue you like to consume from. The subsequent parameters are an
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optional consumer tag, flags and a table with custom arguments. The first additional
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parameter, the consumer tag, is nothing more than a string identifier that will be
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passed with every consumed message. This can be useful if you call the consume()
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methods a number of times to consume from multiple queues, and you would like to know
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from which consume call the received messages came.
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comes in many forms. The first parameter is always the name of the queue you like
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to consume from. The subsequent parameters are an optional consumer tag, flags and
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a table with custom arguments. The first additional parameter, the consumer tag,
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is nothing more than a string identifier that will be passed with every consumed message.
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This can be useful if you call the consume() methods a number of times to consume
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from multiple queues, and you would like to know from which consume call the received messages came.
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The full documentation from the C++ Channel.h headerfile looks like this:
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@ -489,7 +488,7 @@ class MyChannelHandler : public AMQP::ChannelHandler
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The Message object holds all information of the delivered message: the actual content,
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all meta information from the envelope (in fact, the Message class is derived from the Envelope class),
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and even then name of the exchange and the routing key that were used when the message was originally
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and even the name of the exchange and the routing key that were used when the message was originally
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published. For a full list of all information in the Message class, you best have a look at the
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message.h, envelope.h and metadata.h header files.
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@ -498,7 +497,7 @@ unique identifier that you need to acknowledge an incoming message. RabbitMQ onl
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message after it has been acknowledged, so that if your application crashes while it was busy
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processing the message, the message does not get lost but remains in the queue. But this means that
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after you've processed the message, you must inform RabbitMQ about it by calling the Channel:ack()
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method. This method is very simply and takes in its simplest form only one parameter: the
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method. This method is very simple and takes in its simplest form only one parameter: the
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deliveryTag of the message.
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The consumerTag that you see in the onReceived method() is the same string identifier that was
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@ -530,7 +529,7 @@ need additional attention:
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We also need to add more safety checks so that strange or invalid data from
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RabbitMQ does not break the library (although in reality RabbitMQ only sends
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valid data). Also, when we now receive an answer from RabbitMQ that does not
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match the request that we earlier sent, we do not report an error (this is also
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match the request that we sent before, we do not report an error (this is also
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an issue that only occurs in theory).
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It would be nice to have sample implementations for the ConnectionHandler
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