From 2fc8c4514fdf2ae197f3870f75d63d91010befa8 Mon Sep 17 00:00:00 2001 From: Maros Marsalek Date: Thu, 11 Aug 2016 13:05:32 +0200 Subject: HONEYCOMB-23 Add plugin sample and sample minimal distribution Change-Id: Idbcdc5a52a9bfd3b90c039f1a1e58c258cd01849 Signed-off-by: Maros Marsalek --- .../mapping/init/InterfacesInitializer.java | 68 ++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/init/InterfacesInitializer.java (limited to 'samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/init/InterfacesInitializer.java') diff --git a/samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/init/InterfacesInitializer.java b/samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/init/InterfacesInitializer.java new file mode 100644 index 000000000..9aea508c7 --- /dev/null +++ b/samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/init/InterfacesInitializer.java @@ -0,0 +1,68 @@ +/* + * 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.init; + +import com.google.inject.Inject; +import com.google.inject.name.Named; +import io.fd.honeycomb.data.init.AbstractDataTreeConverter; +import java.util.stream.Collectors; +import org.opendaylight.controller.md.sal.binding.api.DataBroker; +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.InterfacesBuilder; +import org.opendaylight.yang.gen.v1.io.fd.honeycomb.samples.interfaces.rev160810.InterfacesState; +import org.opendaylight.yang.gen.v1.io.fd.honeycomb.samples.interfaces.rev160810.interfaces.InterfaceBuilder; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * This is an initializer for interfaces plugin. Its main goal is to revers-engineer configuration data (config "true") + * for interfaces model from operational data. In this case, we are trying to recreate Interfaces container from InterfacesState + * container. Thanks to symmetrical nature of the model, it's pretty straightforward. + * + * This is very useful when the lower layer already contains some data that should be revers-engineer to config data + * in honeycomb in order to get HC and lower layer to sync... It makes life of upper layers much easier + * + * However it's not always possible to perform this task so the initializers are optional for plugins + */ +public class InterfacesInitializer extends AbstractDataTreeConverter { + + private static final Logger LOG = LoggerFactory.getLogger(InterfacesInitializer.class); + + @Inject + public InterfacesInitializer(@Named("honeycomb-initializer") final DataBroker bindingDataBroker) { + super(bindingDataBroker, + InstanceIdentifier.create(InterfacesState.class), InstanceIdentifier.create(Interfaces.class)); + } + + @Override + protected Interfaces convert(final InterfacesState operationalData) { + // Just convert operational data into config data + // The operational data are queried from lower layer using readerCustomizers from this plugin + + LOG.info("Initializing interfaces config data from: {}", operationalData); + + return new InterfacesBuilder() + .setInterface(operationalData.getInterface().stream() + .map(oper -> new InterfaceBuilder() + .setMtu(oper.getMtu()) + .setInterfaceId(oper.getInterfaceId()) + .build()) + .collect(Collectors.toList())) + .build(); + } +} -- cgit 1.2.3-korg