X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fsal%2Fyang-prototype%2Fsal%2Fsal-binding-api%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fsal%2Fbinding%2Fapi%2FBindingAwareBroker.java;h=fa104882a372bf173a283406f506c7011385aa34;hp=24f5b25a190b2e4d8d4876ee5eb9e9a5bd794eab;hb=2df4e10d93273215c40fe9ce38b0ba6e268e67b3;hpb=ca85a6f3a39b406ab122fe985ee010a41489f658 diff --git a/opendaylight/sal/yang-prototype/sal/sal-binding-api/src/main/java/org/opendaylight/controller/sal/binding/api/BindingAwareBroker.java b/opendaylight/sal/yang-prototype/sal/sal-binding-api/src/main/java/org/opendaylight/controller/sal/binding/api/BindingAwareBroker.java index 24f5b25a19..fa104882a3 100644 --- a/opendaylight/sal/yang-prototype/sal/sal-binding-api/src/main/java/org/opendaylight/controller/sal/binding/api/BindingAwareBroker.java +++ b/opendaylight/sal/yang-prototype/sal/sal-binding-api/src/main/java/org/opendaylight/controller/sal/binding/api/BindingAwareBroker.java @@ -1,168 +1,174 @@ -/* - * 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.api; - -import org.opendaylight.controller.yang.binding.RpcService; - -/** - * Binding-aware core of the SAL layer responsible for wiring the SAL consumers. - * - * The responsibility of the broker is to maintain registration of SAL - * functionality {@link Consumer}s and {@link Provider}s, store provider and - * consumer specific context and functionality registration via - * {@link ConsumerSession} and provide access to infrastructure services, which - * removes direct dependencies between providers and consumers. - * - * The Binding-aware broker is also responsible for translation from Java - * classes modeling the functionality and data to binding-indpenedent form which - * is used in SAL Core. - * - * - *

Infrastructure services

Some examples of infrastructure services: - * - * - * - * The services are exposed via session. - * - *

Session-based access

- * - * The providers and consumers needs to register in order to use the - * binding-independent SAL layer and to expose functionality via SAL layer. - * - * For more information about session-based access see {@link ConsumerSession} - * and {@link ProviderSession} - * - * - - * - */ -public interface BindingAwareBroker { - /** - * Registers the {@link BindingAwareConsumer}, which will use the SAL layer. - * - *

- * Note that consumer could register additional functionality at later point - * by using service and functionality specific APIs. - * - *

- * The consumer is required to use returned session for all communication - * with broker or one of the broker services. The session is announced to - * the consumer by invoking - * {@link Consumer#onSessionInitiated(ConsumerSession)}. - * - * @param cons - * Consumer to be registered. - * @return a session specific to consumer registration - * @throws IllegalArgumentException - * If the consumer is null. - * @throws IllegalStateException - * If the consumer is already registered. - */ - ConsumerSession registerConsumer(BindingAwareConsumer consumer); - - /** - * Registers the {@link BindingAwareProvider}, which will use the SAL layer. - * - *

- * During the registration, the broker obtains the initial functionality - * from consumer, using the - * {@link BindingAwareProvider#getImplementations()}, and register that - * functionality into system and concrete infrastructure services. - * - *

- * Note that provider could register additional functionality at later point - * by using service and functionality specific APIs. - * - *

- * The consumer is required to use returned session for all - * communication with broker or one of the broker services. The session is - * announced to the consumer by invoking - * {@link BindingAwareProvider#onSessionInitiated(ProviderSession)}. - * - * - * @param prov - * Provider to be registered. - * @return a session unique to the provider registration. - * @throws IllegalArgumentException - * If the provider is null. - * @throws IllegalStateException - * If the consumer is already registered. - */ - ProviderSession registerProvider(BindingAwareProvider provider); - - /** - * {@link BindingAwareConsumer} specific access to the SAL functionality. - * - *

- * ConsumerSession is {@link BindingAwareConsumer}-specific access to the - * SAL functionality and infrastructure services. - * - *

- * The session serves to store SAL context (e.g. registration of - * functionality) for the consumer and provides access to the SAL - * infrastructure services and other functionality provided by - * {@link Provider}s. - * - - * - */ - public interface ConsumerSession { - - /** - * Returns a session specific instance (implementation) of requested - * binding-aware infrastructural service - * - * @param service - * Broker service - * @return Session specific implementation of service - */ - T getSALService(Class service); - - /** - * Returns a session specific instance (implementation) of requested - * YANG module implentation / service provided by consumer. - * - * @param service - * Broker service - * @return Session specific implementation of service - */ - T getRpcService(Class module); - } - - /** - * {@link BindingAwareProvider} specific access to the SAL functionality. - * - *

- * ProviderSession is {@link BindingAwareProvider}-specific access to the - * SAL functionality and infrastructure services, which also allows for - * exposing the provider's functionality to the other - * {@link BindingAwareConsumer}s. - * - *

- * The session serves to store SAL context (e.g. registration of - * functionality) for the providers and exposes access to the SAL - * infrastructure services, dynamic functionality registration and any other - * functionality provided by other {@link BindingAwareConsumer}s. - * - */ - public interface ProviderSession extends ConsumerSession { - - void addRpcImplementation(RpcService implementation); - - void removeRpcImplementation(RpcService implementation); - } -} +/* + * 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.api; +import org.opendaylight.controller.sal.binding.api.data.DataBrokerService; +import org.opendaylight.controller.sal.binding.api.data.DataConsumerService; +import org.opendaylight.yangtools.yang.binding.RpcService; +import org.osgi.framework.BundleContext; + +/** + * Binding-aware core of the SAL layer responsible for wiring the SAL consumers. + * + * The responsibility of the broker is to maintain registration of SAL + * functionality {@link Consumer}s and {@link Provider}s, store provider and + * consumer specific context and functionality registration via + * {@link ConsumerContext} and provide access to infrastructure services, which + * removes direct dependencies between providers and consumers. + * + * The Binding-aware broker is also responsible for translation from Java + * classes modeling the functionality and data to binding-indpenedent form which + * is used in SAL Core. + * + * + *

Infrastructure services

Some examples of infrastructure services: + * + * + * + * The services are exposed via session. + * + *

Session-based access

+ * + * The providers and consumers needs to register in order to use the + * binding-independent SAL layer and to expose functionality via SAL layer. + * + * For more information about session-based access see {@link ConsumerContext} + * and {@link ProviderContext} + * + * + * + */ +public interface BindingAwareBroker { + /** + * Registers the {@link BindingAwareConsumer}, which will use the SAL layer. + * + *

+ * Note that consumer could register additional functionality at later point + * by using service and functionality specific APIs. + * + *

+ * The consumer is required to use returned session for all communication + * with broker or one of the broker services. The session is announced to + * the consumer by invoking + * {@link Consumer#onSessionInitiated(ConsumerContext)}. + * + * @param cons + * Consumer to be registered. + * @return a session specific to consumer registration + * @throws IllegalArgumentException + * If the consumer is null. + * @throws IllegalStateException + * If the consumer is already registered. + */ + ConsumerContext registerConsumer(BindingAwareConsumer consumer, BundleContext ctx); + + /** + * Registers the {@link BindingAwareProvider}, which will use the SAL layer. + * + *

+ * During the registration, the broker obtains the initial functionality + * from consumer, using the + * {@link BindingAwareProvider#getImplementations()}, and register that + * functionality into system and concrete infrastructure services. + * + *

+ * Note that provider could register additional functionality at later point + * by using service and functionality specific APIs. + * + *

+ * The consumer is required to use returned session for all + * communication with broker or one of the broker services. The session is + * announced to the consumer by invoking + * {@link BindingAwareProvider#onSessionInitiated(ProviderContext)}. + * + * + * @param prov + * Provider to be registered. + * @return a session unique to the provider registration. + * @throws IllegalArgumentException + * If the provider is null. + * @throws IllegalStateException + * If the consumer is already registered. + */ + ProviderContext registerProvider(BindingAwareProvider provider, BundleContext ctx); + + /** + * {@link BindingAwareConsumer} specific access to the SAL functionality. + * + *

+ * ConsumerSession is {@link BindingAwareConsumer}-specific access to the + * SAL functionality and infrastructure services. + * + *

+ * The session serves to store SAL context (e.g. registration of + * functionality) for the consumer and provides access to the SAL + * infrastructure services and other functionality provided by + * {@link Provider}s. + * + * + * + */ + public interface ConsumerContext { + + /** + * Returns a session specific instance (implementation) of requested + * binding-aware infrastructural service + * + * @param service + * Broker service + * @return Session specific implementation of service + */ + T getSALService(Class service); + + /** + * Returns a session specific instance (implementation) of requested + * YANG module implentation / service provided by consumer. + * + * @param service + * Broker service + * @return Session specific implementation of service + */ + T getRpcService(Class module); + } + + /** + * {@link BindingAwareProvider} specific access to the SAL functionality. + * + *

+ * ProviderSession is {@link BindingAwareProvider}-specific access to the + * SAL functionality and infrastructure services, which also allows for + * exposing the provider's functionality to the other + * {@link BindingAwareConsumer}s. + * + *

+ * The session serves to store SAL context (e.g. registration of + * functionality) for the providers and exposes access to the SAL + * infrastructure services, dynamic functionality registration and any other + * functionality provided by other {@link BindingAwareConsumer}s. + * + */ + public interface ProviderContext extends ConsumerContext { + + RpcServiceRegistration addRpcImplementation(Class type, T implementation); + } + + public interface RpcServiceRegistration { + + T getService(); + + void unregister(); + } +}