X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-dom-broker%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fsal%2Fdom%2Fbroker%2FGlobalBundleScanningSchemaServiceImpl.java;h=d8174c312ab0e9622a23f17549dd841130a633ff;hb=a6a97a57081df63432dde5a6b1613eb779b74d79;hp=430963a884b4fbaa71a7c3c12d5df9356058be0c;hpb=b80124e3f7b11cf2f5e5bd4a6b033d855ff4d0d4;p=controller.git

diff --git a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/sal/dom/broker/GlobalBundleScanningSchemaServiceImpl.java b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/sal/dom/broker/GlobalBundleScanningSchemaServiceImpl.java
index 430963a884..d8174c312a 100644
--- a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/sal/dom/broker/GlobalBundleScanningSchemaServiceImpl.java
+++ b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/sal/dom/broker/GlobalBundleScanningSchemaServiceImpl.java
@@ -9,6 +9,7 @@ package org.opendaylight.controller.sal.dom.broker;
 
 import static com.google.common.base.Preconditions.checkState;
 
+import com.google.common.annotations.VisibleForTesting;
 import java.net.URL;
 import java.util.ArrayList;
 import java.util.Collections;
@@ -48,13 +49,31 @@ public class GlobalBundleScanningSchemaServiceImpl implements SchemaContextProvi
     private final BundleContext context;
 
     private ServiceTracker<SchemaServiceListener, SchemaServiceListener> listenerTracker;
-    private BundleTracker<Iterable<Registration<URL>>> bundleTracker;
+    private BundleTracker<Iterable<Registration>> bundleTracker;
     private boolean starting = true;
+    private static GlobalBundleScanningSchemaServiceImpl instance;
 
-    public GlobalBundleScanningSchemaServiceImpl(final BundleContext context) {
+    private GlobalBundleScanningSchemaServiceImpl(final BundleContext context) {
         this.context = Preconditions.checkNotNull(context);
     }
 
+    public synchronized static GlobalBundleScanningSchemaServiceImpl createInstance(final BundleContext ctx) {
+        Preconditions.checkState(instance == null);
+        instance = new GlobalBundleScanningSchemaServiceImpl(ctx);
+        instance.start();
+        return instance;
+    }
+
+    public synchronized static GlobalBundleScanningSchemaServiceImpl getInstance() {
+        Preconditions.checkState(instance != null, "Global Instance was not instantiated");
+        return instance;
+    }
+
+    @VisibleForTesting
+    public static synchronized void destroyInstance() {
+        instance = null;
+    }
+
     public BundleContext getContext() {
         return context;
     }
@@ -96,7 +115,7 @@ public class GlobalBundleScanningSchemaServiceImpl implements SchemaContextProvi
     }
 
     @Override
-    public ListenerRegistration<SchemaServiceListener> registerSchemaServiceListener(final SchemaServiceListener listener) {
+    public synchronized ListenerRegistration<SchemaServiceListener> registerSchemaServiceListener(final SchemaServiceListener listener) {
         Optional<SchemaContext> potentialCtx = contextResolver.getSchemaContext();
         if(potentialCtx.isPresent()) {
             listener.onGlobalContextUpdated(potentialCtx.get());
@@ -116,7 +135,7 @@ public class GlobalBundleScanningSchemaServiceImpl implements SchemaContextProvi
     }
 
 
-    private void updateContext(final SchemaContext snapshot) {
+    private synchronized void updateContext(final SchemaContext snapshot) {
         Object[] services = listenerTracker.getServices();
         for (ListenerRegistration<SchemaServiceListener> listener : listeners) {
             try {
@@ -137,9 +156,9 @@ public class GlobalBundleScanningSchemaServiceImpl implements SchemaContextProvi
         }
     }
 
-    private class BundleScanner implements BundleTrackerCustomizer<Iterable<Registration<URL>>> {
+    private class BundleScanner implements BundleTrackerCustomizer<Iterable<Registration>> {
         @Override
-        public Iterable<Registration<URL>> addingBundle(final Bundle bundle, final BundleEvent event) {
+        public Iterable<Registration> addingBundle(final Bundle bundle, final BundleEvent event) {
 
             if (bundle.getBundleId() == 0) {
                 return Collections.emptyList();
@@ -150,7 +169,7 @@ public class GlobalBundleScanningSchemaServiceImpl implements SchemaContextProvi
                 return Collections.emptyList();
             }
 
-            final List<Registration<URL>> urls = new ArrayList<>();
+            final List<Registration> urls = new ArrayList<>();
             while (enumeration.hasMoreElements()) {
                 final URL u = enumeration.nextElement();
                 try {
@@ -170,7 +189,7 @@ public class GlobalBundleScanningSchemaServiceImpl implements SchemaContextProvi
         }
 
         @Override
-        public void modifiedBundle(final Bundle bundle, final BundleEvent event, final Iterable<Registration<URL>> object) {
+        public void modifiedBundle(final Bundle bundle, final BundleEvent event, final Iterable<Registration> object) {
             LOG.debug("Modified bundle {} {} {}", bundle, event, object);
         }
 
@@ -181,8 +200,8 @@ public class GlobalBundleScanningSchemaServiceImpl implements SchemaContextProvi
          */
 
         @Override
-        public synchronized void removedBundle(final Bundle bundle, final BundleEvent event, final Iterable<Registration<URL>> urls) {
-            for (Registration<URL> url : urls) {
+        public synchronized void removedBundle(final Bundle bundle, final BundleEvent event, final Iterable<Registration> urls) {
+            for (Registration url : urls) {
                 try {
                     url.close();
                 } catch (Exception e) {
@@ -194,7 +213,7 @@ public class GlobalBundleScanningSchemaServiceImpl implements SchemaContextProvi
     }
 
     @Override
-    public SchemaServiceListener addingService(final ServiceReference<SchemaServiceListener> reference) {
+    public synchronized SchemaServiceListener addingService(final ServiceReference<SchemaServiceListener> reference) {
 
         SchemaServiceListener listener = context.getService(reference);
         SchemaContext _ctxContext = getGlobalContext();