From 54a3992118f4455b99fee8f3a648145bcf2b8e65 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/oper/InterfacesReaderFactory.java | 68 ++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/oper/InterfacesReaderFactory.java (limited to 'samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/oper/InterfacesReaderFactory.java') diff --git a/samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/oper/InterfacesReaderFactory.java b/samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/oper/InterfacesReaderFactory.java new file mode 100644 index 000000000..5e34eea74 --- /dev/null +++ b/samples/interfaces/mapping/src/main/java/io/fd/honeycomb/samples/interfaces/mapping/oper/InterfacesReaderFactory.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.oper; + +import com.google.inject.Inject; +import io.fd.honeycomb.samples.interfaces.mapping.LowerLayerAccess; +import io.fd.honeycomb.translate.impl.read.GenericListReader; +import io.fd.honeycomb.translate.impl.read.GenericReader; +import io.fd.honeycomb.translate.read.ReaderFactory; +import io.fd.honeycomb.translate.read.registry.ModifiableReaderRegistryBuilder; +import javax.annotation.Nonnull; +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.InterfacesStateBuilder; +import org.opendaylight.yang.gen.v1.io.fd.honeycomb.samples.interfaces.rev160810._interface.state.Counters; +import org.opendaylight.yang.gen.v1.io.fd.honeycomb.samples.interfaces.rev160810.interfaces.state.Interface; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; + +public class InterfacesReaderFactory implements ReaderFactory { + + @Nonnull + private final LowerLayerAccess access; + + @Inject + public InterfacesReaderFactory(@Nonnull final LowerLayerAccess access) { + this.access = access; + } + + @Override + public void init(@Nonnull final ModifiableReaderRegistryBuilder registry) { + // ReaderFactory is intended for registering Readers into HC framework + // Readers provide ONLY operational (config "false") data straight from underlying device/layer + // they are triggered when RESTCONF GET on operational is invoked or when NETCONF get operation is executed + + // Our model root for operational data is InterfacesState + final InstanceIdentifier root = InstanceIdentifier.create(InterfacesState.class); + // Since InterfacesState has no direct data children (leaves) only a structural reader is registered + // This reader just fills in the composite hierarchy of readers + // Honeycomb can't automatically instantiate structural readers and plugins have to help it by invoking as: + registry.addStructuralReader(root, InterfacesStateBuilder.class); + + // Next child node is Interface (list) + final InstanceIdentifier ifcListId = root.child(Interface.class); + registry.add(new GenericListReader<>(ifcListId, new InterfaceReaderCustomizer(access))); + + // Next child is a container Counters + final InstanceIdentifier countersId = ifcListId.child(Counters.class); + // By adding the reader with addAfter, we can ensure ordering of execution among the readers + // Useful in cases when a certain read has to be invoked before/after another + // In this case, we are ensuring that Counters are read after Interface is read + // "add" could be used instead, leaving the ordering to "nature" + // Same applies for writers + registry.addAfter(new GenericReader<>(countersId, new CountersReaderCustomizer(access)), ifcListId); + } +} -- cgit 1.2.3-korg