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Posted to dev@tapestry.apache.org by "Jesse Kuhnert (JIRA)" <de...@tapestry.apache.org> on 2007/05/18 05:27:16 UTC
[jira] Closed: (TAPESTRY-1477) IF component's condition expression
get evaluated 3 or more times when it should only be evaluated once.
[ https://issues.apache.org/jira/browse/TAPESTRY-1477?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jesse Kuhnert closed TAPESTRY-1477.
-----------------------------------
Resolution: Won't Fix
Read reply on mailing list.
> IF component's condition expression get evaluated 3 or more times when it should only be evaluated once.
> --------------------------------------------------------------------------------------------------------
>
> Key: TAPESTRY-1477
> URL: https://issues.apache.org/jira/browse/TAPESTRY-1477
> Project: Tapestry
> Issue Type: Bug
> Components: Core Components
> Affects Versions: 4.1.2
> Environment: At least since 4.1.2-20070501.233137-64, but an old 4.1.2-20070215.051249-15 worked correctly.
> Java 1.5, Tomcat 5.5.23 (should not matter), caching off. IE 6 and Firefox 2 on XP Pro.
> Reporter: Daniel Jue
> Fix For: 4.1.2
>
>
> I've simplified the problem code even
> more, to eliminate any confusion:
> plain.java:
> package com.phy6.app;
> import org.apache.tapestry.IComponent;
> import org.apache.tapestry.annotations.Component;
> import org.apache.tapestry.annotations.InitialValue;
> import org.apache.tapestry.html.BasePage;
> public abstract class plain extends BasePage {
> public boolean getDoStuff() {
> this.setNumber(this.getNumber() + 1);
> System.out.println("plain: getDoStuff() " + this.getNumber());
> return false;
> }
> @Component(type = "If", id = "ifXYZ", bindings = {
> "condition=getDoStuff()" })
> public abstract IComponent getIfXYZ();
> @InitialValue("0")
> public abstract int getNumber();
> @Component(type="Insert",id="wtfisgoingon",bindings={"value=getNumber()"})
> public abstract IComponent getWTFisgoingon();
> public abstract void setNumber(int n);
> }
> plain.html:
> <html>
> <body>
> <span jwcid="ifXYZ">Hi</span>
> <span jwcid="wtfisgoingon" />
> </body>
> </html>
> plain.page is still an empty page spec.
> Same output:
> May 17, 2007 1:57:40 PM org.apache.catalina.startup.Catalina start
> INFO: Server startup in 5328 ms
> plain: getDoStuff() 1
> plain: getDoStuff() 2
> plain: getDoStuff() 3
> Expected output:
> plain: getDoStuff() 1
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