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
9 package org.opendaylight.netconf.mdsal.yang.library;
11 import com.google.common.util.concurrent.FutureCallback;
12 import com.google.common.util.concurrent.MoreExecutors;
13 import java.util.List;
15 import java.util.concurrent.atomic.AtomicInteger;
16 import java.util.stream.Collectors;
17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
18 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
20 import org.opendaylight.controller.sal.core.api.model.SchemaService;
21 import org.opendaylight.mdsal.common.api.CommitInfo;
22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Uri;
23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.ModulesState;
24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.ModulesStateBuilder;
25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.RevisionUtils;
26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.module.list.Module.ConformanceType;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.module.list.ModuleBuilder;
28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.module.list.module.Submodule;
29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.module.list.module.SubmoduleBuilder;
30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.YangIdentifier;
31 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
32 import org.opendaylight.yangtools.yang.model.api.Module;
33 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
34 import org.opendaylight.yangtools.yang.model.api.SchemaContextListener;
35 import org.slf4j.Logger;
36 import org.slf4j.LoggerFactory;
39 * Listens for updates on global schema context, transforms context to ietf-yang-library:modules-state and
40 * writes this state to operational data store.
42 // TODO Implement also yang-library-change notfication
43 public class SchemaServiceToMdsalWriter implements SchemaContextListener, AutoCloseable {
45 private static final Logger LOG = LoggerFactory.getLogger(SchemaServiceToMdsalWriter.class);
47 private static final InstanceIdentifier<ModulesState> MODULES_STATE_INSTANCE_IDENTIFIER =
48 InstanceIdentifier.create(ModulesState.class);
50 private final SchemaService schemaService;
51 private final AtomicInteger moduleSetId;
52 private final DataBroker dataBroker;
54 public SchemaServiceToMdsalWriter(final SchemaService schemaService,
55 final DataBroker dataBroker) {
56 this.schemaService = schemaService;
57 this.dataBroker = dataBroker;
58 this.moduleSetId = new AtomicInteger(0);
62 public void close() throws Exception {
63 // TODO Delete modules-state from operational data store
67 * Invoked by blueprint.
70 schemaService.registerSchemaContextListener(this);
75 public void onGlobalContextUpdated(final SchemaContext context) {
76 final ModulesState newModuleState = createModuleStateFromModules(context.getModules());
77 final WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
78 tx.put(LogicalDatastoreType.OPERATIONAL,
79 MODULES_STATE_INSTANCE_IDENTIFIER, newModuleState);
81 LOG.debug("Trying to write new module-state: {}", newModuleState);
82 tx.commit().addCallback(new FutureCallback<CommitInfo>() {
84 public void onSuccess(final CommitInfo result) {
85 LOG.debug("Modules state updated successfully");
89 public void onFailure(final Throwable throwable) {
90 LOG.warn("Failed to update modules state", throwable);
92 }, MoreExecutors.directExecutor());
95 private ModulesState createModuleStateFromModules(final Set<Module> modules) {
96 return new ModulesStateBuilder()
97 .setModule(modules.stream().map(this::createModuleEntryFromModule).collect(Collectors.toList()))
98 .setModuleSetId(String.valueOf(moduleSetId.getAndIncrement()))
102 private org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160621.module.list.Module
103 createModuleEntryFromModule(final Module module) {
104 return new ModuleBuilder()
105 .setName(new YangIdentifier(module.getName()))
106 .setRevision(RevisionUtils.fromYangCommon(module.getQNameModule().getRevision()))
107 .setNamespace(new Uri(module.getNamespace().toString()))
108 // FIXME: Conformance type is always set to Implement value, but it should it really be like this?
109 .setConformanceType(ConformanceType.Implement)
110 .setSubmodule(createSubmodulesForModule(module))
111 // FIXME: Add also deviations and features lists to module entries
115 private static List<Submodule> createSubmodulesForModule(final Module module) {
116 return module.getSubmodules().stream().map(subModule -> new SubmoduleBuilder()
117 .setName(new YangIdentifier(subModule.getName()))
118 .setRevision(RevisionUtils.fromYangCommon(subModule.getQNameModule().getRevision()))
119 .build()).collect(Collectors.toList());