Re: [wsbpel] Issue 136 - Proposal For Vote

[Rania Khalaf <rkhalaf@watson.ibm.com>]

+ 1

Francisco Curbera wrote:

>The principle of least surprise works differently depending on who is going
>to be surprised. You are assuming that traditional programmers will be
>writing BPEL and will be puzzled that it does not work like C++; we're not
>so sure that is the people we need to worry about. On the other hand,
>renaming "switch" provides no new function and may "surprise" people
>already working with BPEL (users, implementers, etc).
>
>So I would prefer to close w/o change.
>
>Paco
>
>
>
>
>                                                                                                                                        
>                      "Yaron Y. Goland"                                                                                                 
>                      <ygoland@bea.com>        To:       wsbpeltc <wsbpel@lists.oasis-open.org>                                         
>                                               cc:                                                                                      
>                      01/28/2005 12:33         Subject:  [wsbpel] Issue 136 - Proposal For Vote                                         
>                      PM                                                                                                                
>                      Please respond to                                                                                                 
>                      ygoland                                                                                                           
>                                                                                                                                        
>
>
>
>
>Issue 136 – If-Then-Else Support
>
>Proposal: Rename the elements in switch to make them into an
>if-then-elseif-else structure.
>
>Rationale: BPEL's switch is identical in functionality to what other
>languages use if-then-elseif-else for. To make matters more confusing
>other languages do include a control structure called 'switch' but in
>the majority of languages that 'switch' doesn't work anything like
>BPEL's switch does.
>             Following the principle of least surprise it would be best if
>BPEL's
>flow control structures followed the same naming styles as used by just
>about every other major language.
>
>Changes Required: Replace "switch" with "if", "case" with "elseif",
>"otherwise" with "else" and add in a "then" and condition element to the
>switch activity. This is a purely syntactic change.
>
><if standard-attributes>
>    standard-elements
>    <condition expressionLanguage="anyURI"?>
>       ... bool-expr ...
>    </condition>
>    <then>activity</then>
>    <elseif> *
>       <condition expressionLanguage="anyURI"?>
>          ... bool-expr ...
>       </condition>
>       activity
>    </elseif>
>    <else>?
>       activity
>    </else>
></if>
>
>Note: Good ideas stolen from Maciej, bad ones I invented myself.
>
>
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>  
>