Return-Path: 
 <user-return-57656-apmail-ant-user-archive=ant.apache.org@ant.apache.org>
Delivered-To: apmail-ant-user-archive@www.apache.org
Received: (qmail 60102 invoked from network); 17 Aug 2006 03:53:27 -0000
Received: from hermes.apache.org (HELO mail.apache.org) (209.237.227.199)
  by minotaur.apache.org with SMTP; 17 Aug 2006 03:53:27 -0000
Received: (qmail 19684 invoked by uid 500); 17 Aug 2006 03:53:22 -0000
Delivered-To: apmail-ant-user-archive@ant.apache.org
Received: (qmail 19654 invoked by uid 500); 17 Aug 2006 03:53:22 -0000
Mailing-List: contact user-help@ant.apache.org; run by ezmlm
Precedence: bulk
List-Unsubscribe: <mailto:user-unsubscribe@ant.apache.org>
List-Help: <mailto:user-help@ant.apache.org>
List-Post: <mailto:user@ant.apache.org>
List-Id: "Ant Users List" <user.ant.apache.org>
Reply-To: "Ant Users List" <user@ant.apache.org>
Delivered-To: mailing list user@ant.apache.org
Received: (qmail 22825 invoked by uid 99); 16 Aug 2006 07:45:32 -0000
X-ASF-Spam-Status: No, hits=0.0 required=10.0
	tests=
X-Spam-Check-By: apache.org
Received-SPF: pass (asf.osuosl.org: local policy)
X-IronPort-AV: i="4.08,130,1154923200";
   d="scan'208"; a="6723555:sNHT39243470"
Message-ID: 
 <BBF29C9B95E52E4DB5C29A0ACC94E83B02B14440@ac-exch1.eu.scansoft.com>
From: "Allwicher, Klaus" <Klaus.Allwicher@nuance.com>
To: Ant Users List <user@ant.apache.org>
Subject: RE: Repeating a task x times
Date: Wed, 16 Aug 2006 03:45:05 -0400
MIME-Version: 1.0
X-Mailer: Internet Mail Service (5.5.2658.27)
Content-Type: text/plain
X-Virus-Checked: Checked by ClamAV on apache.org
X-Spam-Rating: minotaur.apache.org 1.6.2 0/1000/N

Write you own iterator for the <for> loop

<for param="i" >
	<numbergen start="1" end="15" />
<sequential>
	<echo level="info" message="@{i}" />
</sequential>
</for>

produces:
1
2
...
13
14
15

And here a simple implementation (of course you must add an antlib.xml to
your jar)

public class NumberGenerator implements Iterator {
		
	long start = 0;
	long incr = 1;
	long end = -1;
	long current = start;
	
	public void setStart(String start) {
		this.start = Long.parseLong(start);
		current = this.start;
	}

	public void setIncrement(String incr) {
		this.incr = Long.parseLong(incr);
	}

	public void setEnd(String end) {
		this.end = Long.parseLong(end);
		current = this.start;
	}

	public Iterator iterator() {
		return this;
	}
	public boolean hasNext() {
		return (end==-1 || current<=end);
	}
	public Object next() {
		if (hasNext()) {			
			Long next = new Long(current);
			current+=incr;
			return next;
		}
		return null;
	}
	public void remove() {
	}
}

Kind regards
Klaus Allwicher
 
 

> -----Original Message-----
> From: Daniel Smith [mailto:dlsmith@rice.edu] 
> Sent: 15 August, 2006 20:27
> To: Ant Users List
> Subject: Repeating a task x times
> 
> I'm interested in writing a script that repeats some task a 
> user- specified number of times.  This is useful where the 
> behavior of JUnit tests is randomized (explicitly or, in this 
> case, due to concurrency irregularities), and a test sample 
> of size larger than 1 is needed.
> 
> The best solution we've been able to come up with is the 
> "for" task from ant-contrib.  Unfortunately, "for" iterates 
> over lists (or tokenized strings), not numbers.  So we can do 
> something like this:
> 
>  > ant -Drepeat="1,2,3" sometarget
> 
> <target name="sometarget">
>     <for list="${repeat}>
>        (do something)
>     </for>
> </target>
> 
> Clearly, this isn't ideal.  I might explore doing something 
> with the "math" task in ant-contrib.  What other 
> recommendations do you have?
> 
> -Dan
> 
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: user-unsubscribe@ant.apache.org For 
> additional commands, e-mail: user-help@ant.apache.org
> 

---------------------------------------------------------------------
To unsubscribe, e-mail: user-unsubscribe@ant.apache.org
For additional commands, e-mail: user-help@ant.apache.org