Add ModuleFactory#getDefaultModules method to config-api.

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

diff --git a/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/osgi/BlankTransactionServiceTracker.java b/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/osgi/BlankTransactionServiceTracker.java
new file mode 100644 (file)
index 0000000..bcc8b11
--- /dev/null
+++ b/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/osgi/BlankTransactionServiceTracker.java
@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.config.manager.impl.osgi;
+
+import org.opendaylight.controller.config.api.jmx.CommitStatus;
+import org.opendaylight.controller.config.manager.impl.ConfigRegistryImpl;
+import org.opendaylight.controller.config.spi.ModuleFactory;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.ServiceReference;
+import org.osgi.util.tracker.ServiceTrackerCustomizer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.management.ObjectName;
+
+/**
+ * Every time factory is added or removed, blank transaction is triggered to handle
+ * {@link org.opendaylight.controller.config.spi.ModuleFactory#getDefaultModules(org.opendaylight.controller.config.api.DependencyResolverFactory)}
+ * functionality.
+ */
+public class BlankTransactionServiceTracker implements ServiceTrackerCustomizer<ModuleFactory, Object> {
+    private static final Logger logger = LoggerFactory.getLogger(BlankTransactionServiceTracker.class);
+
+    private final ConfigRegistryImpl configRegistry;
+
+    public BlankTransactionServiceTracker(ConfigRegistryImpl configRegistry) {
+        this.configRegistry = configRegistry;
+    }
+
+    @Override
+    public Object addingService(ServiceReference<ModuleFactory> moduleFactoryServiceReference) {
+        blankTransaction();
+        return null;
+    }
+
+    private void blankTransaction() {
+        // create transaction
+        ObjectName tx = configRegistry.beginConfig();
+        CommitStatus commitStatus = configRegistry.commitConfig(tx);
+        logger.debug("Committed blank transaction with status {}", commitStatus);
+    }
+
+    @Override
+    public void modifiedService(ServiceReference<ModuleFactory> moduleFactoryServiceReference, Object o) {
+        blankTransaction();
+    }
+
+    @Override
+    public void removedService(ServiceReference<ModuleFactory> moduleFactoryServiceReference, Object o) {
+        blankTransaction();
+    }
+}