2 * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.netconf.mdsal.yang.library;
10 import com.google.common.util.concurrent.FutureCallback;
11 import com.google.common.util.concurrent.MoreExecutors;
12 import java.util.List;
14 import java.util.concurrent.atomic.AtomicInteger;
15 import java.util.stream.Collectors;
16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
17 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
19 import org.opendaylight.mdsal.common.api.CommitInfo;
20 import org.opendaylight.mdsal.dom.api.DOMSchemaService;
21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Uri;
22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.ModulesState;
23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.ModulesStateBuilder;
24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.RevisionUtils;
25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.module.list.Module.ConformanceType;
26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.module.list.ModuleBuilder;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.module.list.module.Submodule;
28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.module.list.module.SubmoduleBuilder;
29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.YangIdentifier;
30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
31 import org.opendaylight.yangtools.yang.model.api.Module;
32 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
33 import org.opendaylight.yangtools.yang.model.api.SchemaContextListener;
34 import org.slf4j.Logger;
35 import org.slf4j.LoggerFactory;
38 * Listens for updates on global schema context, transforms context to ietf-yang-library:modules-state and
39 * writes this state to operational data store.
41 // TODO Implement also yang-library-change notfication
42 public class SchemaServiceToMdsalWriter implements SchemaContextListener, AutoCloseable {
44 private static final Logger LOG = LoggerFactory.getLogger(SchemaServiceToMdsalWriter.class);
46 private static final InstanceIdentifier<ModulesState> MODULES_STATE_INSTANCE_IDENTIFIER =
47 InstanceIdentifier.create(ModulesState.class);
49 private final DOMSchemaService schemaService;
50 private final AtomicInteger moduleSetId;
51 private final DataBroker dataBroker;
53 public SchemaServiceToMdsalWriter(final DOMSchemaService schemaService,
54 final DataBroker dataBroker) {
55 this.schemaService = schemaService;
56 this.dataBroker = dataBroker;
57 this.moduleSetId = new AtomicInteger(0);
62 // TODO Delete modules-state from operational data store
66 * Invoked by blueprint.
69 schemaService.registerSchemaContextListener(this);
74 public void onGlobalContextUpdated(final SchemaContext context) {
75 final ModulesState newModuleState = createModuleStateFromModules(context.getModules());
76 final WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
77 tx.put(LogicalDatastoreType.OPERATIONAL,
78 MODULES_STATE_INSTANCE_IDENTIFIER, newModuleState);
80 LOG.debug("Trying to write new module-state: {}", newModuleState);
81 tx.commit().addCallback(new FutureCallback<CommitInfo>() {
83 public void onSuccess(final CommitInfo result) {
84 LOG.debug("Modules state updated successfully");
88 public void onFailure(final Throwable throwable) {
89 LOG.warn("Failed to update modules state", throwable);
91 }, MoreExecutors.directExecutor());
94 private ModulesState createModuleStateFromModules(final Set<Module> modules) {
95 return new ModulesStateBuilder()
96 .setModule(modules.stream().map(this::createModuleEntryFromModule).collect(Collectors.toList()))
97 .setModuleSetId(String.valueOf(moduleSetId.getAndIncrement()))
101 private org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.module.list.Module
102 createModuleEntryFromModule(final Module module) {
103 return new ModuleBuilder()
104 .setName(new YangIdentifier(module.getName()))
105 .setRevision(RevisionUtils.fromYangCommon(module.getQNameModule().getRevision()))
106 .setNamespace(new Uri(module.getNamespace().toString()))
107 // FIXME: Conformance type is always set to Implement value, but it should it really be like this?
108 .setConformanceType(ConformanceType.Implement)
109 .setSubmodule(createSubmodulesForModule(module))
110 // FIXME: Add also deviations and features lists to module entries
114 private static List<Submodule> createSubmodulesForModule(final Module module) {
115 return module.getSubmodules().stream().map(subModule -> new SubmoduleBuilder()
116 .setName(new YangIdentifier(subModule.getName()))
117 .setRevision(RevisionUtils.fromYangCommon(subModule.getQNameModule().getRevision()))
118 .build()).collect(Collectors.toList());