Initial code drop of yang model driven configuration system

[controller.git] / opendaylight / config / config-manager / src / main / java / org / opendaylight / controller / config / manager / impl / jmx / ModuleJMXRegistrator.java

diff --git a/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/jmx/ModuleJMXRegistrator.java b/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/jmx/ModuleJMXRegistrator.java
new file mode 100644 (file)
index 0000000..34c0436
--- /dev/null
+++ b/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/jmx/ModuleJMXRegistrator.java
@@ -0,0 +1,61 @@
+/*
+ * 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.jmx;
+
+import java.io.Closeable;
+
+import javax.annotation.concurrent.ThreadSafe;
+import javax.management.InstanceAlreadyExistsException;
+import javax.management.ObjectName;
+
+import org.opendaylight.controller.config.api.jmx.ObjectNameUtil;
+import org.opendaylight.controller.config.manager.impl.jmx.InternalJMXRegistrator.InternalJMXRegistration;
+
+/**
+ * This subclass is used for registering readable module into JMX, it is also
+ * used as underlying provider in {@link RuntimeBeanRegistratorImpl}. Closing
+ * the instance thus unregisters all JMX beans related to the module excluding
+ * currently open transactions.
+ */
+@ThreadSafe
+public class ModuleJMXRegistrator implements Closeable {
+    private final InternalJMXRegistrator childJMXRegistrator;
+
+    public ModuleJMXRegistrator(InternalJMXRegistrator internalJMXRegistrator) {
+        this.childJMXRegistrator = internalJMXRegistrator.createChild();
+    }
+
+    static class ModuleJMXRegistration implements AutoCloseable {
+        private final InternalJMXRegistration internalJMXRegistration;
+
+        ModuleJMXRegistration(InternalJMXRegistration registration) {
+            this.internalJMXRegistration = registration;
+        }
+
+        @Override
+        public void close() {
+            internalJMXRegistration.close();
+        }
+    }
+
+    public ModuleJMXRegistration registerMBean(Object object, ObjectName on)
+            throws InstanceAlreadyExistsException {
+        ObjectNameUtil.checkType(on, ObjectNameUtil.TYPE_MODULE);
+        if (ObjectNameUtil.getTransactionName(on) != null)
+            throw new IllegalArgumentException(
+                    "Transaction name not expected in " + on);
+        return new ModuleJMXRegistration(childJMXRegistrator.registerMBean(
+                object, on));
+    }
+
+    @Override
+    public void close() {
+        childJMXRegistrator.close();
+    }
+
+}