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Template and parameter evaluated many times

Update:10-11Source: network consolidation
I defined a template using ui:composition. This template has one parameter which is used about 20 times.
Template :
<h:outputText value="#{myParam}" />
in the file using the template :
<ui:decorate template="mytemplate.xhtml">
<ui:param name="myParam" value="#{myComponent.myMethod(otherParam)}" />
The problem is that the myComponent.myMethod is called every time that myParam is used in the template. And of course, the call to this component requires time. Why is myParam not evaluated only once when it is passed to the template ? How can I do to achieve this ?
Thanks for your help.

The Best Answer

I can't comment on the why, but I can make a suggestion on your last question. Change your myComponent.myMethod(otherParam) code so that the result cached for subsequent calls.
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