[Index]

launch

Launch an application via it's main method. The application is launched in same JVM as Oddjob, but in it's own class loader.

Property Summary

args	The arguments to pass to main.
classLoader	The class loader in which to find the main class.
className	The name of the class that contains the main method.
name	The name of this job.

Example Summary

Example 1

An Oddjob the launches Oddjob.

Property Detail

args

Configured By	ELEMENT
Access	READ_WRITE
Required	No.

The arguments to pass to main.

classLoader

Configured By	ELEMENT
Access	READ_WRITE
Required	Yes.

The class loader in which to find the main class.

className

Configured By	ATTRIBUTE
Access	READ_WRITE
Required	Yes.

The name of the class that contains the main method.

name

Configured By	ATTRIBUTE
Access	READ_WRITE
Required	No.

The name of this job.

Examples

Example 1

An Oddjob the launches Oddjob. args[0] is org.oddjob.Main, args[1] is the oddjob home directory. The classes directory is included in the class path for the log4j.properties file otherwise Log4j would attempt to use one from ClassLoader.getSystemLoader() which will be the original application class loader.

<oddjob id="this">
    <job>
        <launch className="${this.args[1]}">
            <args>
                <list>
                    <values>
                        <value value="-nb"/>
                        <value value="-f"/>
                        <value value="${this.args[0]}/test/conf/echo-class-loader.xml"/>
                        <value value="-l"/>
                        <value value="${this.args[0]}/${this.args[2]}"/>
                    </values>
                </list>
            </args>
            <classLoader>
                <url-class-loader noInherit="true">
                    <files>
                        <files files="${this.args[3]}/lib/*.jar">
                            <list>
                                <file file="${this.args[3]}/classes"/>
                                <file file="${this.args[3]}/opt/classes"/>
                            </list>
                        </files>
                    </files>
                </url-class-loader>
            </classLoader>
        </launch>
    </job>
</oddjob>