2 * Copyright (c) 2016 Brocade Communications Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.blueprint.ext;
10 import java.util.Arrays;
11 import java.util.List;
12 import org.apache.aries.blueprint.ext.ComponentFactoryMetadata;
13 import org.apache.aries.blueprint.services.ExtendedBlueprintContainer;
14 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RoutedRpcRegistration;
15 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
16 import org.opendaylight.yangtools.yang.binding.RpcService;
17 import org.osgi.service.blueprint.container.ComponentDefinitionException;
18 import org.slf4j.Logger;
19 import org.slf4j.LoggerFactory;
22 * Factory metadata corresponding to the "routed-rpc-implementation" element that registers an RPC
23 * implementation with the RpcProviderRegistry and provides the RoutedRpcRegistration instance to the
24 * Blueprint container.
26 * @author Thomas Pantelis
28 class RoutedRpcMetadata implements ComponentFactoryMetadata {
29 private static final Logger LOG = LoggerFactory.getLogger(RoutedRpcMetadata.class);
30 static final String ROUTED_RPC_IMPLEMENTATION = "routed-rpc-implementation";
32 private final String id;
33 private final String interfaceName;
34 private final String implementationRefId;
35 private ExtendedBlueprintContainer container;
37 RoutedRpcMetadata(String id, String interfaceName, String implementationRefId) {
39 this.interfaceName = interfaceName;
40 this.implementationRefId = implementationRefId;
44 public String getId() {
49 public int getActivation() {
50 return ACTIVATION_LAZY;
54 public List<String> getDependsOn() {
55 return Arrays.asList(OpendaylightNamespaceHandler.RPC_REGISTRY_NAME, implementationRefId);
59 public void init(ExtendedBlueprintContainer container) {
60 this.container = container;
62 LOG.debug("{}: In init", logName());
66 public Object create() throws ComponentDefinitionException {
67 RpcProviderRegistry rpcRegistry = (RpcProviderRegistry) container.getComponentInstance(
68 OpendaylightNamespaceHandler.RPC_REGISTRY_NAME);
70 Object implementation = container.getComponentInstance(implementationRefId);
73 if(!RpcService.class.isAssignableFrom(implementation.getClass())) {
74 throw new ComponentDefinitionException(String.format(
75 "Implementation \"ref\" instance %s for \"%s\" is not an RpcService",
76 implementation.getClass(), ROUTED_RPC_IMPLEMENTATION));
79 List<Class<RpcService>> rpcInterfaces = RpcImplementationBean.getImplementedRpcServiceInterfaces(
80 interfaceName, implementation.getClass(), container.getBundleContext().getBundle(),
81 ROUTED_RPC_IMPLEMENTATION);
83 if(rpcInterfaces.size() > 1) {
84 throw new ComponentDefinitionException(String.format(
85 "Implementation \"ref\" instance %s for \"%s\" implements more than one RpcService " +
86 "interface (%s). Please specify the exact \"interface\"", implementation.getClass(),
87 ROUTED_RPC_IMPLEMENTATION, rpcInterfaces));
90 Class<RpcService> rpcInterface = rpcInterfaces.iterator().next();
92 LOG.debug("{}: create - adding routed implementation {} for RpcService {}", logName(),
93 implementation, rpcInterface);
95 return rpcRegistry.addRoutedRpcImplementation(rpcInterface, (RpcService)implementation);
96 } catch(ComponentDefinitionException e) {
98 } catch(Exception e) {
99 throw new ComponentDefinitionException(String.format(
100 "Error processing \"%s\" for %s", ROUTED_RPC_IMPLEMENTATION, implementation.getClass()), e);
105 public void destroy(Object instance) {
106 LOG.debug("{}: In destroy: instance: {}", logName(), instance);
108 ((RoutedRpcRegistration<?>)instance).close();
111 private String logName() {
112 return (container != null ? container.getBundleContext().getBundle().getSymbolicName() : "") +