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Diffstat (limited to 'samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/config')
2 files changed, 134 insertions, 0 deletions
diff --git a/samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/config/InterfaceWriterCustomizer.java b/samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/config/InterfaceWriterCustomizer.java new file mode 100644 index 000000000..af185d8b0 --- /dev/null +++ b/samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/config/InterfaceWriterCustomizer.java @@ -0,0 +1,80 @@ +/* + * Copyright (c) 2016 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.samples.interfaces.mapping.config; + +import io.fd.honeycomb.samples.interfaces.mapping.LowerLayerAccess; +import io.fd.honeycomb.translate.spi.write.ListWriterCustomizer; +import io.fd.honeycomb.translate.write.WriteContext; +import io.fd.honeycomb.translate.write.WriteFailedException; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.io.fd.honeycomb.samples.interfaces.rev160810.interfaces.Interface; +import org.opendaylight.yang.gen.v1.io.fd.honeycomb.samples.interfaces.rev160810.interfaces.InterfaceKey; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * This is a customizer responsible for writing(updating and also deleting) Interface config data + */ +public class InterfaceWriterCustomizer implements ListWriterCustomizer<Interface, InterfaceKey> { + + private static final Logger LOG = LoggerFactory.getLogger(InterfaceWriterCustomizer.class); + + private final LowerLayerAccess access; + + public InterfaceWriterCustomizer(final LowerLayerAccess access) { + this.access = access; + } + + @Override + public void writeCurrentAttributes(@Nonnull final InstanceIdentifier<Interface> id, + @Nonnull final Interface dataAfter, @Nonnull final WriteContext writeContext) + throws WriteFailedException { + try { + // Context can be used just like the context in ReadCustomizer see InterfaceReaderCustomizer + // + it also provides a window into the entire configuration tree before current transaction and during current transaction + // just in case, some additional data is necessary here + access.writeInterface(id, dataAfter, writeContext); + } catch (Exception e) { + throw new WriteFailedException.CreateFailedException(id, dataAfter, e); + } + } + + @Override + public void updateCurrentAttributes(@Nonnull final InstanceIdentifier<Interface> id, + @Nonnull final Interface dataBefore, @Nonnull final Interface dataAfter, + @Nonnull final WriteContext writeContext) throws WriteFailedException { + // There are cases when lower layer does not support all of the CRUD operations, in which case, the handler + // should look like this (This will reject configuration from upper layers, returning error/rpc-error): + throw new WriteFailedException.UpdateFailedException(id, dataBefore, dataAfter, + new UnsupportedOperationException("Unable to update interface data, unsupported at lower layer")); + } + + @Override + public void deleteCurrentAttributes(@Nonnull final InstanceIdentifier<Interface> id, + @Nonnull final Interface dataBefore, @Nonnull final WriteContext writeContext) + throws WriteFailedException { + try { + // Context can be used just like the context in ReadCustomizer see InterfaceReaderCustomizer + // + it also provides a window into the entire configuration tree before current transaction and during current transaction + // just in case, some additional data is necessary here + access.deleteInterface(id, dataBefore, writeContext); + } catch (Exception e) { + throw new WriteFailedException.DeleteFailedException(id, e); + } + } +} diff --git a/samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/config/InterfacesWriterFactory.java b/samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/config/InterfacesWriterFactory.java new file mode 100644 index 000000000..d3b22c345 --- /dev/null +++ b/samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/config/InterfacesWriterFactory.java @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2016 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.samples.interfaces.mapping.config; + +import com.google.inject.Inject; +import io.fd.honeycomb.samples.interfaces.mapping.LowerLayerAccess; +import io.fd.honeycomb.translate.impl.write.GenericListWriter; +import io.fd.honeycomb.translate.write.WriterFactory; +import io.fd.honeycomb.translate.write.registry.ModifiableWriterRegistryBuilder; +import javax.annotation.Nonnull; +import org.opendaylight.yang.gen.v1.io.fd.honeycomb.samples.interfaces.rev160810.Interfaces; +import org.opendaylight.yang.gen.v1.io.fd.honeycomb.samples.interfaces.rev160810.interfaces.Interface; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +public class InterfacesWriterFactory implements WriterFactory { + + @Nonnull + private final LowerLayerAccess access; + + @Inject + public InterfacesWriterFactory(@Nonnull final LowerLayerAccess access) { + this.access = access; + } + + @Override + public void init(@Nonnull final ModifiableWriterRegistryBuilder registry) { + // ReaderFactory is intended for registering Writers into HC framework + // Writers handle ONLY config (config "true") data coming from upper layers and propagate them into lower layer/device + // they are triggered when RESTCONF PUT/POST on config is invoked or when NETCONF edit-config + commit operation is executed + + // Our model root for operational data is Interfaces + final InstanceIdentifier<Interfaces> root = InstanceIdentifier.create(Interfaces.class); + // But unlike ReaderFactories, there's no need to create a structural writer, we can "ignore" any nodes + // that do not contain actual data (leaves) + + // Next child node is Interface (list) + final InstanceIdentifier<Interface> ifcListId = root.child(Interface.class); + registry.add(new GenericListWriter<>(ifcListId, new InterfaceWriterCustomizer(access))); + } +} |