diff options
Diffstat (limited to 'nsh/impl/src/main/java/io/fd/honeycomb/vppnsh/impl/init/VppNshInitializer.java')
-rwxr-xr-x | nsh/impl/src/main/java/io/fd/honeycomb/vppnsh/impl/init/VppNshInitializer.java | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/nsh/impl/src/main/java/io/fd/honeycomb/vppnsh/impl/init/VppNshInitializer.java b/nsh/impl/src/main/java/io/fd/honeycomb/vppnsh/impl/init/VppNshInitializer.java new file mode 100755 index 000000000..ca13d8a19 --- /dev/null +++ b/nsh/impl/src/main/java/io/fd/honeycomb/vppnsh/impl/init/VppNshInitializer.java @@ -0,0 +1,87 @@ +/* + * Copyright (c) 2016 Intel 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.vppnsh.impl.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 javax.annotation.Nonnull; +import javax.annotation.Nullable; + +import org.opendaylight.controller.md.sal.binding.api.DataBroker; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.VppNsh; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.VppNshBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.VppNshState; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.NshEntries; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.NshEntriesBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.NshMaps; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.NshMapsBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.nsh.entries.NshEntry; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.nsh.entries.NshEntryBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.nsh.maps.NshMap; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vpp.nsh.rev160624.vpp.nsh.nsh.maps.NshMapBuilder; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * This is an initializer for VppNsh plugin. Its main goal is to revers-engineer configuration data (config "true") + * for Nsh model from operational data. In this case, we are trying to recreate Nsh container from NshsState + * 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 VppNshInitializer extends AbstractDataTreeConverter<VppNshState, VppNsh> { + + private static final Logger LOG = LoggerFactory.getLogger(VppNshInitializer.class); + private static final InstanceIdentifier<VppNshState> OPER_ID = InstanceIdentifier.create(VppNshState.class); + private static final InstanceIdentifier<VppNsh> CFG_ID = InstanceIdentifier.create(VppNsh.class); + + @Inject + public VppNshInitializer(@Named("honeycomb-initializer") final DataBroker bindingDataBroker) { + super(bindingDataBroker, OPER_ID, CFG_ID); + } + + @Override + protected VppNsh convert(final VppNshState operationalData) { + // Just convert operational data into config data + // The operational data are queried from lower layer using readerCustomizers from this plugin + + LOG.info("Initializing VppNsh config data from: {}", operationalData); + + VppNshBuilder vppNshBuilder = new VppNshBuilder(); + + NshEntriesBuilder nshEntriesBuilder = new NshEntriesBuilder() + .setNshEntry(operationalData.getNshEntries().getNshEntry().stream() + .map(oper -> new NshEntryBuilder(oper).setName(oper.getName()).build()) + .collect(Collectors.toList())); + vppNshBuilder.setNshEntries(nshEntriesBuilder.build()); + + NshMapsBuilder nshMapsBuilder = new NshMapsBuilder() + .setNshMap(operationalData.getNshMaps().getNshMap().stream() + .map(oper -> new NshMapBuilder(oper).setName(oper.getName()).build()) + .collect(Collectors.toList())); + vppNshBuilder.setNshMaps(nshMapsBuilder.build()); + + return vppNshBuilder.build(); + } +} |