X-Git-Url: https://git.argeo.org/?a=blobdiff_plain;f=org.argeo.cms%2Fsrc%2Forg%2Fargeo%2Fcms%2Finternal%2Fkernel%2FActivator.java;h=5ec9f5087649474b1fc9284a502a8956070412ef;hb=f2688921e89c75ee626ff79b64105c577c415cca;hp=4d166eaf63db619ed0b761034299a154f30cfd39;hpb=63446804f4954bfedd50d8c692bde0fab13aa1ec;p=lgpl%2Fargeo-commons.git

diff --git a/org.argeo.cms/src/org/argeo/cms/internal/kernel/Activator.java b/org.argeo.cms/src/org/argeo/cms/internal/kernel/Activator.java
index 4d166eaf6..5ec9f5087 100644
--- a/org.argeo.cms/src/org/argeo/cms/internal/kernel/Activator.java
+++ b/org.argeo.cms/src/org/argeo/cms/internal/kernel/Activator.java
@@ -1,15 +1,27 @@
 package org.argeo.cms.internal.kernel;
 
+import java.util.UUID;
+
 import org.osgi.framework.BundleActivator;
 import org.osgi.framework.BundleContext;
 
+/**
+ * Activates the {@link Kernel} from the provided {@link BundleContext}. Gives
+ * access to kernel information for the rest of the bundle (and only it)
+ */
 public class Activator implements BundleActivator {
+	private final static String systemKey = UUID.randomUUID().toString();
+
+	private static BundleContext bundleContext;
 	private Kernel kernel;
 
 	@Override
 	public void start(BundleContext context) throws Exception {
+		assert bundleContext == null;
 		assert kernel == null;
-		kernel = new Kernel(context);
+
+		bundleContext = context;
+		kernel = new Kernel(bundleContext);
 		kernel.init();
 	}
 
@@ -17,6 +29,23 @@ public class Activator implements BundleActivator {
 	public void stop(BundleContext context) throws Exception {
 		kernel.destroy();
 		kernel = null;
+		bundleContext = null;
+	}
+
+	/**
+	 * Singleton interface to the {@link BundleContext} related to the calling
+	 * thread. Can be used only within the CMS bundle.
+	 */
+	public static BundleContext getBundleContext() {
+		return bundleContext;
+	}
+
+	/**
+	 * @return a String which is guaranteed to be unique between and constant
+	 *         within a Java static context (typically a VM launch)
+	 */
+	public final static String getSystemKey() {
+		return systemKey;
 	}
 
 }