return buf.toString();
}
- /** Module node name based on module name and version */
- public static String getModuleNodeName(ModuleDescriptor moduleDescriptor) {
- return moduleDescriptor.getName() + "_" + moduleDescriptor.getVersion();
- }
-
- /** Extracts the execution module name of a flow */
- public static String flowExecutionModuleName(String fullFlowPath) {
+ /** Extracts the path to the related execution module */
+ public static String modulePath(String fullFlowPath) {
String[] tokens = fullFlowPath.split("/");
- String moduleNodeName = tokens[AGENT_FACTORY_DEPTH + 2];
- return moduleNodeName.substring(0, moduleNodeName.lastIndexOf('_'));
+ StringBuffer buf = new StringBuffer(fullFlowPath.length());
+ for (int i = 0; i < AGENT_FACTORY_DEPTH + 3; i++) {
+ if (!tokens[i].equals(""))
+ buf.append('/').append(tokens[i]);
+ }
+ return buf.toString();
}
- /** Extracts the execution module version of a flow */
- public static String flowExecutionModuleVersion(String fullFlowPath) {
- String[] tokens = fullFlowPath.split("/");
- String moduleNodeName = tokens[AGENT_FACTORY_DEPTH + 2];
- return moduleNodeName.substring(moduleNodeName.lastIndexOf('_') + 1);
+ /** Module node name based on module name and version */
+ public static String getModuleNodeName(ModuleDescriptor moduleDescriptor) {
+ return moduleDescriptor.getName() + "_" + moduleDescriptor.getVersion();
}
/** Extracts the agent factory of a flow */
+ node, e);
}
}
-
+
/** Prevents instantiation */
private SlcJcrUtils() {
}
-
- public static void main(String[] args) {
- String path = "/slc/agents/vm/default/org.argeo_1.2.3/myPath/myFlow";
- System.out.println("Flow relative path: " + flowRelativePath(path));
- System.out.println("Execution Module Name: "
- + flowExecutionModuleName(path));
- System.out.println("Execution Module Version: "
- + flowExecutionModuleVersion(path));
- System.out.println("Agent Factory path: " + flowAgentFactoryPath(path));
- }
-
}
import org.argeo.slc.execution.ExecutionModulesListener;
import org.argeo.slc.process.RealizedFlow;
import org.osgi.framework.Bundle;
+import org.osgi.framework.BundleEvent;
import org.osgi.framework.BundleException;
+import org.osgi.framework.BundleListener;
import org.osgi.framework.Constants;
import org.osgi.framework.launch.Framework;
import org.springframework.context.ApplicationContext;
/** Execution modules manager implementation based on an OSGi runtime. */
public class OsgiExecutionModulesManager extends
- AbstractExecutionModulesManager implements OsgiServiceLifecycleListener {
+ AbstractExecutionModulesManager implements
+ OsgiServiceLifecycleListener, BundleListener {
private final static Log log = LogFactory
.getLog(OsgiExecutionModulesManager.class);
private List<ExecutionModulesListener> executionModulesListeners = new ArrayList<ExecutionModulesListener>();
- private Boolean registerFlowsToJmx = true;
+ private Boolean registerFlowsToJmx = false;
public void init() throws Exception {
+ bundlesManager.getBundleContext().addBundleListener(this);
+
final String module = System.getProperty(UNIQUE_LAUNCH_MODULE_PROPERTY);
final String flow = System.getProperty(UNIQUE_LAUNCH_FLOW_PROPERTY);
if (module != null) {
new Thread("Unique Flow") {
@Override
public void run() {
- if (log.isDebugEnabled())
- log.debug("Launch unique flow " + flow
- + " from module " + module);
- try {
- OsgiBundle osgiBundle = bundlesManager
- .findFromPattern(module);
- Bundle moduleBundle = bundlesManager
- .findRelatedBundle(osgiBundle);
- bundlesManager.startSynchronous(moduleBundle);
- RealizedFlow lastLaunch = findRealizedFlow(module, flow);
- if (lastLaunch == null)
- throw new SlcException("Cannot find launch for "
- + module + " " + flow);
- execute(lastLaunch);
- } catch (Exception e) {
- log.error("Error in unique flow " + flow
- + " from module " + module, e);
- } finally {
- if (log.isDebugEnabled())
- log.debug("Shutdown OSGi runtime...");
- Framework framework = (Framework) bundlesManager
- .getBundleContext().getBundle(0);
- try {
- // shutdown framework
- framework.stop();
- // wait 1 min for shutdown
- framework.waitForStop(60 * 1000);
- // close VM
- System.exit(0);
- } catch (Exception e) {
- e.printStackTrace();
- System.exit(1);
- }
- }
+ executeFlowAndExit(module, null, flow);
}
}.start();
}
-
}
public void destroy() {
+ bundlesManager.getBundleContext().removeBundleListener(this);
+ }
+ /** Executes a single flow and <b>stops the JVM</b> */
+ protected void executeFlowAndExit(final String module,
+ final String version, final String flow) {
+ if (log.isDebugEnabled())
+ log.debug("Launch unique flow " + flow + " from module " + module);
+ try {
+ OsgiBundle osgiBundle = bundlesManager.findFromPattern(module);
+ Bundle moduleBundle = bundlesManager.findRelatedBundle(osgiBundle);
+ bundlesManager.startSynchronous(moduleBundle);
+ RealizedFlow lastLaunch = findRealizedFlow(module, flow);
+ if (lastLaunch == null)
+ throw new SlcException("Cannot find launch for " + module + " "
+ + flow);
+ execute(lastLaunch);
+ } catch (Exception e) {
+ log.error(
+ "Error in unique flow " + flow + " from module " + module,
+ e);
+ } finally {
+ if (log.isDebugEnabled())
+ log.debug("Shutdown OSGi runtime...");
+ Framework framework = (Framework) bundlesManager.getBundleContext()
+ .getBundle(0);
+ try {
+ // shutdown framework
+ framework.stop();
+ // wait 1 min for shutdown
+ framework.waitForStop(60 * 1000);
+ // close VM
+ System.exit(0);
+ } catch (Exception e) {
+ e.printStackTrace();
+ System.exit(1);
+ }
+ }
}
public synchronized ExecutionModuleDescriptor getExecutionModuleDescriptor(
if (log.isTraceEnabled())
log.trace("Registered execution context from " + osgiBundle);
// Notify
+ ModuleDescriptor md = osgiBundle.getModuleDescriptor();
+ md.setStarted(true);
for (ExecutionModulesListener listener : executionModulesListeners)
- listener.executionModuleAdded(osgiBundle.getModuleDescriptor());
+ listener.executionModuleAdded(md);
}
/** Unregisters an execution context. */
if (log.isTraceEnabled())
log.trace("Removed execution context from " + osgiBundle);
// Notify
+ ModuleDescriptor md = osgiBundle.getModuleDescriptor();
+ md.setStarted(false);
for (ExecutionModulesListener listener : executionModulesListeners)
- listener.executionModuleRemoved(osgiBundle
- .getModuleDescriptor());
+ listener.executionModuleRemoved(md);
}
}
executionModulesListeners.remove(executionModulesListener);
}
+ /*
+ * INTERFACE IMPLEMENTATIONS
+ */
+
+ public void bundleChanged(BundleEvent evt) {
+ Bundle bundle = evt.getBundle();
+ if (bundle.getHeaders().get(
+ ExecutionModuleDescriptor.SLC_EXECUTION_MODULE) != null) {
+ OsgiBundle osgiBundle = new OsgiBundle(bundle);
+ if (evt.getType() == BundleEvent.INSTALLED)
+ for (ExecutionModulesListener listener : executionModulesListeners)
+ listener.executionModuleAdded(osgiBundle
+ .getModuleDescriptor());
+ else if (evt.getType() == BundleEvent.UNINSTALLED)
+ for (ExecutionModulesListener listener : executionModulesListeners)
+ listener.executionModuleRemoved(osgiBundle
+ .getModuleDescriptor());
+ }
+
+ }
+
@SuppressWarnings({ "rawtypes" })
public synchronized void bind(Object service, Map properties)
throws Exception {
projects / gpl / argeo-slc.git / commitdiff