Initial code drop of yang model driven configuration system

[controller.git] / opendaylight / config / config-manager / src / main / java / org / opendaylight / controller / config / manager / impl / dynamicmbean / DynamicReadableWrapper.java

diff --git a/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/dynamicmbean/DynamicReadableWrapper.java b/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/dynamicmbean/DynamicReadableWrapper.java
new file mode 100644 (file)
index 0000000..3a24940
--- /dev/null
+++ b/opendaylight/config/config-manager/src/main/java/org/opendaylight/controller/config/manager/impl/dynamicmbean/DynamicReadableWrapper.java
@@ -0,0 +1,90 @@
+/*
+ * 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.dynamicmbean;
+
+import javax.management.Attribute;
+import javax.management.AttributeList;
+import javax.management.AttributeNotFoundException;
+import javax.management.InvalidAttributeValueException;
+import javax.management.MBeanException;
+import javax.management.MBeanServer;
+import javax.management.ReflectionException;
+
+import org.opendaylight.controller.config.api.DynamicMBeanWithInstance;
+import org.opendaylight.controller.config.api.ModuleIdentifier;
+import org.opendaylight.controller.config.api.jmx.ObjectNameUtil;
+import org.opendaylight.controller.config.spi.Module;
+
+/**
+ * Wraps {@link org.opendaylight.controller.config.spi.Module} in a
+ * {@link DynamicMBeanWithInstance}. Setting attributes is disabled.
+ */
+public class DynamicReadableWrapper extends AbstractDynamicWrapper implements
+        DynamicMBeanWithInstance {
+    private final AutoCloseable instance;
+
+    /**
+     * @param module
+     * @param instance
+     *            for recreating Module.
+     *
+     */
+    public DynamicReadableWrapper(Module module, AutoCloseable instance,
+            ModuleIdentifier moduleIdentifier, MBeanServer internalServer,
+            MBeanServer configMBeanServer) {
+        super(module, false, moduleIdentifier, ObjectNameUtil
+                .createReadOnlyModuleON(moduleIdentifier),
+                getEmptyOperations(), internalServer, configMBeanServer);
+        this.instance = instance;
+    }
+
+    @Override
+    public Module getModule() {
+        return module;
+    }
+
+    @Override
+    public AutoCloseable getInstance() {
+        return instance;
+    }
+
+    @Override
+    public Object invoke(String actionName, Object[] params, String[] signature)
+            throws MBeanException, ReflectionException {
+        if ("getInstance".equals(actionName)
+                && (params == null || params.length == 0)
+                && (signature == null || signature.length == 0)) {
+            return getInstance();
+        }
+        return super.invoke(actionName, params, signature);
+    }
+
+    @Override
+    public Object getAttribute(String attributeName)
+            throws AttributeNotFoundException, MBeanException,
+            ReflectionException {
+        if (attributeName.equals("getInstance")) {
+            return getInstance();
+        }
+        return super.getAttribute(attributeName);
+    }
+
+    @Override
+    public void setAttribute(Attribute attribute)
+            throws AttributeNotFoundException, InvalidAttributeValueException,
+            MBeanException, ReflectionException {
+        throw new UnsupportedOperationException(
+                "setAttributes is not supported on " + moduleIdentifier);
+    }
+
+    @Override
+    public AttributeList setAttributes(AttributeList attributes) {
+        throw new UnsupportedOperationException(
+                "setAttributes is not supported on " + moduleIdentifier);
+    }
+}