[JELLY-164] New Tag for parallel iteration

• Type: New Feature
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Affects Version/s: 1.0-beta-5
• Component/s: core / taglib.core

Environment

JDK 1.4_02 Windows XP

• Assignee: Unassigned
• Reporter: Marc DeXeT
• Created: 18/Nov/04 17:13
• Updated: 19/Nov/04 07:49

Description

IterateTag is like org.apache.commons.jelly.tags.core.ForEachTag but can iterate over several collections. Where org.apache.commons.jelly.tags.core.ForEachTag iterate over one collection and set Value in one variable like :
<forEach var="oneVar" items="oneCollection">
<do something value="${oneVar}"/>
</forEach>

IterateTag is like :

<iterate var="var_1;var_2;...;var_P" items="Collection_1;Collection_2;....;Collection_P">
<do something value="${var_1} ${var_2} ${var_3}"/>
</iterate>

Each Collection points at next element at the same time.

Over the n iteration, for j = 1 to P : var_j = Collection_j.get;
IterateTag stop on the first ended collection, so n = Min( Collection_1.size(), ..., Collection_P.size());