Appendix : Legacy Presto components : Mashables and Mashups : Mashups in EMML : Writing Mashups in EMML : Controlling Mashup Processing Flow : <while>
<while>
 
<while> Example
This looping statement processes any children statements in a repeated loop as long as its specified condition remains true or until a <break> statement is executed. You can use most EMML statements within <while>. You can also use <break> to explictly stop further loop processing.
See also <while> Example and Working Samples.
Can Contain
( Statements Group | ( Variables Group ) | ( presto:beginTransaction | presto:commitTransaction | presto:rollbackTransaction ) | ( ( macro:custom-macro-name | any element in a non-EMML namespace )* ) | ( break ) | ( variables ) )+
Allowed In
mashup | catch | else | elseif | for | foreach | if | macro | operation | sequence | try | while
Attributes
Name
Required
Description
condition
yes
An expression for the condition to test at the beginning or each <while> statement loop.
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