THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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In this example, just like the first one, the component's only job is to write out a fixed message. The @BeginRender annotation is a type of component life cycle render phase annotation, a method annotation that instructs Tapestry when and under what circumstances to invoke methods of your class.
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For Tapestry 5.1 and earlier, if in the rare event that you have a variable that can keep its value between requests and you would like to defeat that reset logic, then you can add a @Retain annotation to the field. You should take care that no client-specific data is stored into such a field, since on a later request the same page instance may be used for a different user. Likewise, on a later request for the same user client, a different page instance may be used. |
Use persistent fields to hold client-specific information from one request to the next.
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