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From Ashwin Karpe <aska...@progress.com>
Subject Re: Camel Timer Componenet
Date Wed, 17 Jun 2009 13:55:20 GMT

Hi Aman,

Looks like the Timer component may not be right for you if the intervals you
are looking at span days. Obviously you can calculate the period in
milliseconds and exrapolate that value to days, however, if you are looking
for a scheduler then you should use the quartz component in camel

http://camel.apache.org/quartz.html http://camel.apache.org/quartz.html 

Hope this helps.

Cheers,

Ashwin...


Aman Chandna wrote:
> 
> Hi I  have following issuses while working with timer component.
> 
> 1. How to set the  time as a part of the URI, i have come  across the
> examples where periord and fixedrate  are set as a part of the URI  like
> the following  URI 
> from("timer://foo?fixedRate=true&period=60000").to("bean:myBean?method=someMethodName");
> 
> if i have to set the time , how will i set it as a part of the URI?
> 
> 2. I have the camel route following 
> 
> /////////////////////Camel route file starts
> //////////////////////////////
> <?xml version="1.0" encoding="UTF-8" standalone="no"?>
> <beans xmlns="http://www.springframework.org/schema/beans"
> 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> 	xsi:schemaLocation=" http://www.springframework.org/schema/beans
> http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
> http://activemq.apache.org/camel/schema/spring
> http://activemq.apache.org/camel/schema/spring/camel-spring-1.5.0.xsd">
> 	<import resource="test.xml" />
> 	<camelContext xmlns="http://activemq.apache.org/camel/schema/spring"
> 		id="camelroute">
> 		<route id="null_1">
> 			<description />
> 			<from id="Timer_0"
> 			
> uri="timer://myfirsttimer?period=10000&amp;delay=0&amp;fixedRate=true&amp;daemon=true">
> 				<description>Timer: The timer component is used to generate message
> exchanges when a timer fires</description>
> 			</from>
> 			<to id="Generic_0" uri="bean:myClass?method=invoke">
> 				<description>Generic: Specifies a general endpoint URL</description>
> 			</to>
> 		</route>
> 	</camelContext>
> </beans>
> ////////////////////Camel Route file ends
> /////////////////////////////////////////////////////////////////////
> 
> I was expecting it will call the invoke method of bean named myClass every
> 10 seconds, but it is called 
> only once as indicated by the following console
> ////////////console starts ////////////
> 
> Listening for transport dt_socket at address: 8708
> current Working directory is C:\EclipseWS\runtime-New_configuration\test
> ##### class com.fusesource.tools.eip.run.debugger.scaffolded.CamelLauncher
> PARAMS => debug=false, run=true, debugPort=1835, eventPort=1836,
> contextFileName=D:/Installs/IONA/Eclipse3.4.1/eclipse/runtime-New_configuration(1)/FuseOne/src/main/resources/META-INF/spring/wiretap-camel.xml
> #####
> ##### debug=false, debugPort=1835, eventPort=1836,
> contextFileName=file:/C:/EclipseWS/runtime-New_configuration/test/default-camel.xml
> #####
> log4j:WARN No appenders could be found for logger
> (org.springframework.context.support.FileSystemXmlApplicationContext).
> log4j:WARN Please initialize the log4j system properly.
> invoked
> 
> ////////////console ends /////////////
> 
> 
> //////////////////bean -myclass starts ///////////////
> public class MyClass {
> 
> 	public void invoke() {
> 
> 		System.out.println("invoked");
> 
> 	}
> }
> //////////////////bean -myclass ends///////////////
> 
> So why is it the invoke method of the bean myClass called only once?
> 
> if somebody has the answers to above questions,please do revert back.
> 
> Regards,
> Aman.
> 


-----
--- 
Ashwin Karpe, Principal Consultant, PS - Opensource Center of Competence 
Progress Software Corporation
14 Oak Park Drive
Bedford, MA 01730
--- 
+1-972-304-9084 (Office) 
+1-972-971-1700 (Mobile) 
---- 
Blog: http://opensourceknowledge.blogspot.com/


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