[GitHub] jena pull request: Fix Jena initialization in OSGi environments

[ajs6f]

Github user ajs6f commented on a diff in the pull request:

    https://github.com/apache/jena/pull/134#discussion_r59385695
  
    --- Diff: 
apache-jena-osgi/jena-osgi/src/main/java/org/apache/jena/osgi/Activator.java ---
    @@ -0,0 +1,47 @@
    +package org.apache.jena.osgi;
    +
    +import org.apache.jena.system.JenaSubsystemRegistry;
    +import org.apache.jena.system.JenaSubsystemRegistryBasic;
    +import org.apache.jena.system.JenaSystem;
    +import org.osgi.framework.BundleActivator;
    +import org.osgi.framework.BundleContext;
    +
    +public class Activator implements BundleActivator {
    +   
    +   /* 
    +    * Based on 
http://svn.apache.org/repos/asf/aries/trunk/spi-fly/spi-fly-examples/spi-fly-example-provider-consumer-bundle/src/main/java/org/apache/aries/spifly/pc/bundle/Activator.java
    +    * the Activator#start() waits for bundle extension by Aries SPI Fly, 
configures JenaSystem logging and requests for initialization.     
    +    */
    +   public void start(BundleContext context) throws Exception {
    +
    +           Thread t = new Thread(new Runnable() {
    --- End diff --
    
    Since we are in Java 8-land, this might read a bit more crisply with a 
lambda:
    ```
    new Thread(() -> { 
        try { Thread.sleep(500); }
            catch (InterruptedException e) { }                          
        setUpJena();
    }).start();
    ```


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