Re: Can't understand what inOnly is doing

[sim085]

I have checked the code of PatternDefinition.inOnly(...) and this just calls
the PatternDefinition.to(...) method with the ExchangePattern set to InOnly. 

So let us forget the method inOnly(). What does it mean to set the
ExchangePattern to "InOnly" (or even "InOut")?

There are various ways how this can be done; .setExchangePattern(),
.to(ExchangePattern e), .inOnly(...), inOut(...), etc. 

Is the ExchangePattern parameter just a flag which the called endpoint can
ignore?

For example the following code

[code]
        from("jetty:http://localhost:8282/";)
                        .inOnly("direct:BBB")
                .process(new Processor(){
                                public void process(Exchange e){
                                        System.out.println("AAA: Exchange 
Pattern is: " + e.getPattern());
                                }
                        });
        
        from("direct:BBB")
                .process(new Processor(){
                        public void process(Exchange e){
                                System.out.println("BBB: Exchange Pattern is: " 
+ e.getPattern());
                        }
                });
[/code]

As expected prints:

> BBB: Exchange Pattern is: InOnly
> AAA: Exchange Pattern is: InOut

So is the ExchangePattern just a FLAG which the called endpoints can wrap
logic around or ignore?



Ranx wrote
> I'm not even sure what an InOnly to a direct endpoint means quite frankly





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