| TImestamping in ANT | TImestamping in ANT 2007-07-26 - By Wascally Wabbit
Sorry,
Incomplete original example methinks.
If you change
- <assign var="time" value="now"/>
to
+ <assign var="time" op="-now" fromvar="time"/>
it should work.
--- [ A WORKING EXAMPLE TO DEMONSTRATE (TESTED ;-))] ----
Here's a working sample (assuming AntX is installed in a
directory at ./antx relative to test script):
<project name="test" default="timed-target" basedir=".">
<property name="jware.antx.defaults.valueuris.flag" value="yes"/>
<path id="antx.classpath">
<pathelement location="${basedir}/antx/JWare_apis.jar"/>
<pathelement location="${basedir}/antx/AntX_tasks.jar"/>
</path>
<taskdef resource="com/idaremedia/antx/install/antlib.xml"
classpathref="antx.classpath"/>
<typedef resource="com/idaremedia/antx/valueuri/antlib.xml"
classpathref="antx.classpath"/>
<target name="timed-target">
<assign var="time" op="now"/>
<echo message="started @ ${$var:time} ms"/>
<sleep seconds="2"/>
<assign var="time" op="-now" fromvar="time"/>
<echo message="duration was ${$var:time} ms"/>
<copyproperty name="duration" variable="time"
transform="duration"/>
<echo message="Duration transformed is ${duration}"/>
</target>
</project>
OUTPUT:
timed-target:
[echo] started @ 1185500881950 ms
[echo] duration was 2003 ms
[echo] Duration transformed is 2sec.3ms
dkhanna01 wrote:
> first of all thanks for the information
>
> I tried to load antx libraries and it did worked, BUT while calculating the
> duration its giving me an error as :
>
> Unable to convert 'now' to time duration.
> compile took -now
>
> Here is my code:
>
> <target name="usage" description="Displays a list of valid targets">
> <assign var="time" value="now"/>
> <copyproperty name="usage.start" variable="time"
> transform="datetime"/>
> <echo level="info" message="usage started ${usage.start}"/>
>
> <antcall target="usage:default"/>
>
> <assign var="time" value="now"/>
> <copyproperty name="compile.duration" variable="time"
> transform="duration"/>
>
> <echo level="info" message="compile took ${compile.duration}"/>
> </target>
>
> Is there any thing I have missed.
>
> THanks again
>
>
>
>
> Wascally Wabbit wrote:
>> Hi,
>>
>> The assign task is already defined for you as part of the
>> AntXtras antlib. The easiest thing to do is to load the
>> entire antlib and experiment. *See the Quick Start and
>> User Guide for additional information*.
>>
>> Example (assuming at least Ant 1.6.5, and AntXtras bin download
>> to some local directory '${antextensions.d}/antx'):
>>
>> [Top-Level]
>>
>> <path id="antx.classpath">
>> <fileset dir="${antextensions.d}/antx">
>> <include name="lib/*.jar"/>
>> </fileset>
>> </path>
>>
>> <taskdef resource="com/idaremedia/antx/install/antlib.xml"
>> classpathref="antx.classpath"/>
>>
>>
>> [In any target or macrodef]
>> <assign var="duration" value="now"/>
>> ...
>> <assign var="duration" value="-now" .../>
>> ...
>>
>> -The Wabbit
>>
>>
>> dkhanna01 wrote:
>>> Hi
>>> I downloaded the antxtras unility from the site but the two jar files in
>>> that does not contain class file for assign task. SO when I try to run my
>>> script after adding assing task it gave an error that " Problem: failed
>>> to
>>> create task or type assign"
>>>
>>> THanks
>>>
>>>
>>> Wascally Wabbit wrote:
>>>> dkhanna01 wrote:
>>>>> I need to find out the time taken by each of the process/target in our
>>>>> build.xml file. Now for doing this I have use ANT tstamp task to
>>>>> calculate
>>>>> the start time and end time of the process. Now my question is how do I
>>>>> find
>>>>> out the total time taken by the process, I mean is there any way to
>>>>> calculate difference between "End time" and "Start time"
>>>>>
>>>>> Thanks
>>>> If you can use thirdparty libraries you can use the AntXtra's
>>>> <assign> task like so:
>>>>
>>>> <target name="compile" depends="-init" description="Compile stuff">
>>>> <assign var="time" value="now"/>
>>>> ...[all your compiling tasks here]
>>>> <assign var="time" value="-now" transform="duration"
>>>> copyproperty="compile.duration"/>
>>>> <echo level="info" message="compile took ${compile.duration}"/>
>>>> </target>
>>>>
>>>> If you want to do this for lots of your targets you can leverage
>>>> macrodefs to do this for every target using something like:
>>>>
>>>> <macrodef name="timedtarget">
>>>> <attribute name="name">
>>>> <attribute name="functions"/>
>>>> <sequential>
>>>> <assign var="time_" value="now"/>
>>>> <callinline targets="@{functions}"/> <!--do NOT switch projects-->
>>>> <assign var="time_" value="-now" transform="duration"
>>>> copyproperty="@{name}.duration"/>
>>>> <echo level="info" message="@{name} took ${@{name}.duration}"/>
>>>> </sequential>
>>>> </macrodef>
>>>>
>>>> Then use it like so:
>>>>
>>>> <target name="-compile">
>>>> ...[all your compiling work here in private target]
>>>> </target>
>>>>
>>>> <target name="compile" depends="-init" description="Compile stuff">
>>>> <timetarget name="compile" functions="-compile"/>
>>>> </target>
>>>>
>>>> AntXtras is at: http://antxtras.sf.net/
>>>>
>>>> Hope that helps.
>>>>
>>>> -The Wabbit
>>>>
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>>>>
>>>>
>>>>
>>
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>>
>
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