Re: [search-ws] <set> and <append>

[Ashley Sanders <a.sanders@manchester.ac.uk>]

Ray,

> My first question on the description document is the difference  
> between <set> and <append>.
>
> <set name=”items”>
>  <xpath select=”//mods”/>
>  </set>
> "Should the response document have contained ten MODS records, then  
> after after the response has been parsed the “items” variable will  
> contain ten values, each value being a single MODS record."
>
> This is essentially telling the client that it can extract mods  
> records from a response via the supplied xpath.
>
>
> What does this tell the client:
>
> <append name=”items”>
>  <xpath select=”//mods”/>
>  </set>
>

In essence, set is just the same as append, excepet that set discards
anything already contained in the variable before appending the newly
extracted values.

> What does this tell the client:
>


I wouldn't think of it in terms of what it is telling the client.
All append allows you to do is accumulate things over multiple http
GETs.

Ashley.