Improve config system shutdown

[controller.git] / opendaylight / config / config-manager / src / main / java / org / opendaylight / controller / config / manager / impl / osgi / ModuleFactoryBundleTracker.java

diff --git a/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/osgi/ModuleFactoryBundleTracker.java b/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/osgi/ModuleFactoryBundleTracker.java
index cc71370c95891d58bb6473c8ec3f2425702fa7f9..15e62552152cb341e1467a6d14e2a25c168b9a9e 100644 (file)
--- a/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/osgi/ModuleFactoryBundleTracker.java
+++ b/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/osgi/ModuleFactoryBundleTracker.java
@@ -8,12 +8,11 @@
 package org.opendaylight.controller.config.manager.impl.osgi;
 
 import static java.lang.String.format;
-
 import com.google.common.annotations.VisibleForTesting;
-import java.io.InputStream;
+import com.google.common.base.Charsets;
+import com.google.common.io.Resources;
+import java.io.IOException;
 import java.net.URL;
-import java.util.List;
-import org.apache.commons.io.IOUtils;
 import org.opendaylight.controller.config.spi.ModuleFactory;
 import org.osgi.framework.Bundle;
 import org.osgi.framework.BundleEvent;
@@ -22,7 +21,6 @@ import org.osgi.util.tracker.BundleTrackerCustomizer;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-
 /**
  * OSGi extender that listens for bundle activation events. Reads file
  * META-INF/services/org.opendaylight.controller.config.spi.ModuleFactory, each
@@ -32,7 +30,7 @@ import org.slf4j.LoggerFactory;
  * the services are unregistered automatically.
  * Code based on http://www.toedter.com/blog/?p=236
  */
-public class ModuleFactoryBundleTracker implements BundleTrackerCustomizer<Object> {
+public class ModuleFactoryBundleTracker implements BundleTrackerCustomizer<Boolean> {
     private final BlankTransactionServiceTracker blankTransactionServiceTracker;
     private static final Logger LOG = LoggerFactory.getLogger(ModuleFactoryBundleTracker.class);
 
@@ -41,33 +39,37 @@ public class ModuleFactoryBundleTracker implements BundleTrackerCustomizer<Objec
     }
 
     @Override
-    public Object addingBundle(Bundle bundle, BundleEvent event) {
+    public Boolean addingBundle(Bundle bundle, BundleEvent event) {
         URL resource = bundle.getEntry("META-INF/services/" + ModuleFactory.class.getName());
         LOG.trace("Got addingBundle event of bundle {}, resource {}, event {}",
                 bundle, resource, event);
         if (resource != null) {
-            try (InputStream inputStream = resource.openStream()) {
-                List<String> lines = IOUtils.readLines(inputStream);
-                for (String factoryClassName : lines) {
+            try {
+                for (String factoryClassName : Resources.readLines(resource, Charsets.UTF_8)) {
                     registerFactory(factoryClassName, bundle);
                 }
-            } catch (Exception e) {
+
+                return Boolean.TRUE;
+            } catch (IOException e) {
                 LOG.error("Error while reading {}", resource, e);
                 throw new RuntimeException(e);
             }
         }
-        return bundle;
+
+        return Boolean.FALSE;
     }
 
     @Override
-    public void modifiedBundle(Bundle bundle, BundleEvent event, Object object) {
+    public void modifiedBundle(Bundle bundle, BundleEvent event, Boolean hasFactory) {
         // NOOP
     }
 
     @Override
-    public void removedBundle(Bundle bundle, BundleEvent event, Object object) {
-        // workaround for service tracker not getting removed service event
-        blankTransactionServiceTracker.blankTransaction();
+    public void removedBundle(Bundle bundle, BundleEvent event, Boolean hasFactory) {
+        if(hasFactory) {
+            // workaround for service tracker not getting removed service event
+            blankTransactionServiceTracker.blankTransactionSync();
+        }
     }
 
     @VisibleForTesting