+++ /dev/null
-/*
- * 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.sal.binding.codegen;
-
-import java.lang.reflect.Field;
-import java.util.Map;
-
-import org.opendaylight.yangtools.yang.binding.BaseIdentity;
-import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
-import org.opendaylight.yangtools.yang.binding.RpcService;
-
-public final class RuntimeCodeHelper {
- private RuntimeCodeHelper() {
- throw new UnsupportedOperationException("Utility class should never be instantiated");
- }
-
- private static Field getField(final Class<?> cls, final String name) {
- try {
- return cls.getField(name);
- } catch (NoSuchFieldException e) {
- throw new IllegalArgumentException(
- String.format("Class %s is missing field %s", cls, name), e);
- } catch (SecurityException e) {
- throw new IllegalStateException(String.format("Failed to examine class %s", cls), e);
- }
- }
-
- private static Field getDelegateField(final Class<?> cls) {
- return getField(cls, RuntimeCodeSpecification.DELEGATE_FIELD);
- }
-
- private static Object getFieldValue(final Field field, final Object obj) {
- try {
- return field.get(obj);
- } catch (IllegalAccessException e) {
- throw new IllegalStateException(String.format("Failed to get field %s of object %s", field, obj), e);
- }
- }
-
- private static void setFieldValue(final Field field, final Object obj, final Object value) {
- try {
- field.set(obj, value);
- } catch (IllegalAccessException e) {
- throw new IllegalStateException(String.format("Failed to set field %s to %s", field, value), e);
- }
- }
-
- /**
- * Helper method to return delegate from ManagedDirectedProxy with use of reflection.
- *
- * Note: This method uses reflection, but access to delegate field should be
- * avoided and called only if necessary.
- */
- @SuppressWarnings("unchecked")
- public static <T extends RpcService> T getDelegate(final RpcService proxy) {
- return (T)getFieldValue(getDelegateField(proxy.getClass()), proxy);
- }
-
- /**
- * Helper method to set delegate to ManagedDirectedProxy with use of reflection.
- *
- * Note: This method uses reflection, but setting delegate field should not occur too much
- * to introduce any significant performance hits.
- */
- public static void setDelegate(final Object proxy, final Object delegate) {
- final Field field = getDelegateField(proxy.getClass());
-
- if (delegate != null) {
- final Class<?> ft = field.getType();
- if (!ft.isAssignableFrom(delegate.getClass())) {
- throw new IllegalArgumentException(
- String.format("Field %s type %s is not compatible with delegate type %s",
- field, ft, delegate.getClass()));
- }
- }
-
- setFieldValue(field, proxy, delegate);
- }
-
- @SuppressWarnings("unchecked")
- public static Map<InstanceIdentifier<? extends Object>,? extends RpcService> getRoutingTable(final RpcService target, final Class<? extends BaseIdentity> tableClass) {
- final Field field = getField(target.getClass(), RuntimeCodeSpecification.getRoutingTableField(tableClass));
- return (Map<InstanceIdentifier<? extends Object>,? extends RpcService>) getFieldValue(field, target);
- }
-
- public static void setRoutingTable(final RpcService target, final Class<? extends BaseIdentity> tableClass, final Map<InstanceIdentifier<? extends Object>,? extends RpcService> routingTable) {
- final Field field = getField(target.getClass(), RuntimeCodeSpecification.getRoutingTableField(tableClass));
- setFieldValue(field, target, routingTable);
- }
-}