diff options
Diffstat (limited to 'infra/impl/src/main/java/io/fd')
| -rw-r--r-- | infra/impl/src/main/java/io/fd/honeycomb/v3po/impl/NorthboundFacadeHoneycombDOMBroker.java | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/infra/impl/src/main/java/io/fd/honeycomb/v3po/impl/NorthboundFacadeHoneycombDOMBroker.java b/infra/impl/src/main/java/io/fd/honeycomb/v3po/impl/NorthboundFacadeHoneycombDOMBroker.java new file mode 100644 index 000000000..c2d70c38c --- /dev/null +++ b/infra/impl/src/main/java/io/fd/honeycomb/v3po/impl/NorthboundFacadeHoneycombDOMBroker.java @@ -0,0 +1,206 @@ +/* + * Copyright (c) 2015 Cisco and/or its affiliates. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package io.fd.honeycomb.v3po.impl; + +import com.google.common.base.Optional; +import com.google.common.collect.Maps; +import com.google.common.util.concurrent.CheckedFuture; +import com.google.common.util.concurrent.Futures; +import java.util.Map; +import javax.annotation.Nonnull; +import javax.annotation.Nullable; +import javax.annotation.concurrent.NotThreadSafe; +import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker; +import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint; +import org.opendaylight.controller.md.sal.dom.api.DOMMountPointService; +import org.opendaylight.controller.md.sal.dom.api.DOMNotificationPublishService; +import org.opendaylight.controller.md.sal.dom.api.DOMNotificationService; +import org.opendaylight.controller.md.sal.dom.api.DOMRpcAvailabilityListener; +import org.opendaylight.controller.md.sal.dom.api.DOMRpcException; +import org.opendaylight.controller.md.sal.dom.api.DOMRpcImplementationNotAvailableException; +import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult; +import org.opendaylight.controller.md.sal.dom.api.DOMRpcService; +import org.opendaylight.controller.sal.core.api.Broker; +import org.opendaylight.controller.sal.core.api.BrokerService; +import org.opendaylight.controller.sal.core.api.Consumer; +import org.opendaylight.controller.sal.core.api.Provider; +import org.opendaylight.controller.sal.core.api.model.SchemaService; +import org.opendaylight.controller.sal.core.api.mount.MountProvisionListener; +import org.opendaylight.yangtools.concepts.ListenerRegistration; +import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier; +import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode; +import org.opendaylight.yangtools.yang.model.api.SchemaPath; +import org.osgi.framework.BundleContext; + +/** + * Implementation of dom broker to facade VPP pipeline for northbound APIs + */ +public class NorthboundFacadeHoneycombDOMBroker implements AutoCloseable, Broker { + + private static final BrokerService EMPTY_DOM_RPC_SERVICE = new EmptyDomRpcService(); + private static final BrokerService EMPTY_DOM_MOUNT_SERVICE = new EmptyDomMountService(); + + private Map<Class<? extends BrokerService>, BrokerService> services; + + public NorthboundFacadeHoneycombDOMBroker(@Nonnull final DOMDataBroker domDataBrokerDependency, + @Nonnull final SchemaService schemaBiService, + @Nonnull final DOMNotificationService domNotificatioNService) { + services = Maps.newHashMap(); + services.put(DOMDataBroker.class, domDataBrokerDependency); + // All services below are required to be present by Restconf northbound + services.put(SchemaService.class, schemaBiService); + services.put(DOMRpcService.class, EMPTY_DOM_RPC_SERVICE); + services.put(DOMMountPointService.class, EMPTY_DOM_MOUNT_SERVICE); + services.put(DOMNotificationService.class, domNotificatioNService); + // TODO do both notification service types have to be registered ? + services.put(DOMNotificationPublishService.class, domNotificatioNService); + } + + @Override + public void close() throws Exception { + // NOOP + } + + @Override + public ConsumerSession registerConsumer(final Consumer consumer) { + final SimpleConsumerSession session = new SimpleConsumerSession(services); + consumer.onSessionInitiated(session); + return session; + } + + @Deprecated + @Override + public ConsumerSession registerConsumer(final Consumer consumer, final BundleContext bundleContext) { + throw new UnsupportedOperationException(); + } + + @Override + public ProviderSession registerProvider(final Provider provider) { + final SimpleProviderSession session = new SimpleProviderSession(services); + provider.onSessionInitiated(session); + return session; + } + + @Override + public ProviderSession registerProvider(final Provider provider, final BundleContext bundleContext) { + throw new UnsupportedOperationException(); + } + + @NotThreadSafe + private static class SimpleConsumerSession implements ConsumerSession { + private boolean closed; + private final Map<Class<? extends BrokerService>, BrokerService> services; + + private SimpleConsumerSession(final Map<Class<? extends BrokerService>, BrokerService> services) { + this.services = services; + } + + @Override + public boolean isClosed() { + return closed; + } + + @Override + public <T extends BrokerService> T getService(final Class<T> aClass) { + return (T)services.get(aClass); + } + + @Override + public void close() { + closed = true; + } + } + + @NotThreadSafe + private static class SimpleProviderSession implements ProviderSession { + private boolean closed; + private final Map<Class<? extends BrokerService>, BrokerService> services; + + private SimpleProviderSession(final Map<Class<? extends BrokerService>, BrokerService> services) { + this.services = services; + } + + @Override + public boolean isClosed() { + return closed; + } + + @Override + public <T extends BrokerService> T getService(final Class<T> aClass) { + return (T)services.get(aClass); + } + + @Override + public void close() { + closed = true; + } + } + + private static class EmptyDomRpcService implements DOMRpcService { + @Nonnull + @Override + public CheckedFuture<DOMRpcResult, DOMRpcException> invokeRpc(@Nonnull final SchemaPath schemaPath, + @Nullable final NormalizedNode<?, ?> normalizedNode) { + return Futures.<DOMRpcResult, DOMRpcException>immediateFailedCheckedFuture( + new DOMRpcImplementationNotAvailableException("RPCs not supported")); + } + + @Nonnull + @Override + public <T extends DOMRpcAvailabilityListener> ListenerRegistration<T> registerRpcListener(@Nonnull final T t) { + return new ListenerRegistration<T>() { + @Override + public void close() { + // Noop + } + + @Override + public T getInstance() { + return t; + } + }; + } + } + + private static class EmptyDomMountService implements DOMMountPointService { + @Override + public Optional<DOMMountPoint> getMountPoint(final YangInstanceIdentifier yangInstanceIdentifier) { + return Optional.absent(); + } + + @Override + public DOMMountPointBuilder createMountPoint(final YangInstanceIdentifier yangInstanceIdentifier) { + throw new UnsupportedOperationException("No mountpoint support"); + } + + @Override + public ListenerRegistration<MountProvisionListener> registerProvisionListener( + final MountProvisionListener mountProvisionListener) { + return new ListenerRegistration<MountProvisionListener>() { + @Override + public void close() { + // Noop + } + + @Override + public MountProvisionListener getInstance() { + return mountProvisionListener; + } + }; + } + } +} |