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From "Julien Le Dem (JIRA)" <j...@apache.org>
Subject [jira] Commented: (PIG-928) UDFs in scripting languages
Date Tue, 06 Jul 2010 18:51:54 GMT

    [ https://issues.apache.org/jira/browse/PIG-928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12885635#action_12885635

Julien Le Dem commented on PIG-928:

Argh... Sorry about that
	 * figure out the jar location from the class 
	 * @param clazz
	 * @return the jar file location, null if the class was not loaded from a jar
	protected static String getJar(Class<?> clazz) {
		URL resource = clazz.getClassLoader().getResource(clazz.getCanonicalName().replace(".","/")+".class");
		if (resource.getProtocol().equals("jar")) {
			return resource.getPath().substring(resource.getPath().indexOf(':')+1,resource.getPath().indexOf('!'));
		return null;

> UDFs in scripting languages
> ---------------------------
>                 Key: PIG-928
>                 URL: https://issues.apache.org/jira/browse/PIG-928
>             Project: Pig
>          Issue Type: New Feature
>            Reporter: Alan Gates
>            Assignee: Aniket Mokashi
>             Fix For: 0.8.0
>         Attachments: calltrace.png, package.zip, PIG-928.patch, pig-greek.tgz, pig.scripting.patch.arnab,
pyg.tgz, RegisterPythonUDF2.patch, RegisterPythonUDF3.patch, RegisterPythonUDF4.patch, RegisterPythonUDFFinale.patch,
RegisterScriptUDFDefineParse.patch, scripting.tgz, scripting.tgz, test.zip
> It should be possible to write UDFs in scripting languages such as python, ruby, etc.
 This frees users from needing to compile Java, generate a jar, etc.  It also opens Pig to
programmers who prefer scripting languages over Java.

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