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.collect.Lists;
12 import com.google.common.util.concurrent.FutureCallback;
13 import com.google.common.util.concurrent.Futures;
14 import java.util.List;
16 import java.util.concurrent.atomic.AtomicInteger;
17 import javax.annotation.Nullable;
18 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
19 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
20 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
21 import org.opendaylight.controller.sal.core.api.model.SchemaService;
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.rev160409.ModulesState;
24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160409.ModulesStateBuilder;
25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160409.OptionalRevision;
26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160409.module.list.Module.ConformanceType;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160409.module.list.ModuleBuilder;
28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160409.module.list.module.Submodules;
29 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160409.module.list.module.SubmodulesBuilder;
30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160409.module.list.module.submodules.Submodule;
31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160409.module.list.module.submodules.SubmoduleBuilder;
32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.YangIdentifier;
33 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
34 import org.opendaylight.yangtools.yang.model.api.Module;
35 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
36 import org.opendaylight.yangtools.yang.model.api.SchemaContextListener;
37 import org.slf4j.Logger;
38 import org.slf4j.LoggerFactory;
41 * Listens for updates on global schema context, transforms context to ietf-yang-library:modules-state and
42 * writes this state to operational data store
44 // TODO Implement also yang-library-change notfication
45 public class SchemaServiceToMdsalWriter implements SchemaContextListener, AutoCloseable {
47 private static final Logger LOG = LoggerFactory.getLogger(SchemaServiceToMdsalWriter.class);
49 private static final InstanceIdentifier<ModulesState> MODULES_STATE_INSTANCE_IDENTIFIER =
50 InstanceIdentifier.create(ModulesState.class);
52 private final SchemaService schemaService;
53 private final AtomicInteger moduleSetId;
54 private final DataBroker dataBroker;
56 public SchemaServiceToMdsalWriter(final SchemaService schemaService,
57 final DataBroker dataBroker) {
58 this.schemaService = schemaService;
59 this.dataBroker = dataBroker;
60 this.moduleSetId = new AtomicInteger(0);
64 public void close() throws Exception {
65 // TODO Delete modules-state from operational data store
72 schemaService.registerSchemaContextListener(this);
77 public void onGlobalContextUpdated(final SchemaContext context) {
78 final ModulesState newModuleState = createModuleStateFromModules(context.getModules());
79 final WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
80 tx.put(LogicalDatastoreType.OPERATIONAL,
81 MODULES_STATE_INSTANCE_IDENTIFIER, newModuleState);
83 LOG.debug("Trying to write new module-state: {}", newModuleState);
84 Futures.addCallback(tx.submit(), new FutureCallback<Void>() {
86 public void onSuccess(@Nullable final Void result) {
87 LOG.debug("Modules state updated successfully");
91 public void onFailure(final Throwable t) {
92 LOG.warn("Failed to update modules state", t);
97 private ModulesState createModuleStateFromModules(final Set<Module> modules) {
98 final ModulesStateBuilder modulesStateBuilder = new ModulesStateBuilder();
99 final List<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160409.module.list.Module> moduleList =
100 Lists.newArrayList();
102 for (final Module module : modules) {
103 moduleList.add(createModuleEntryFromModule(module));
106 return modulesStateBuilder.setModule(moduleList).setModuleSetId(String.valueOf(moduleSetId.getAndIncrement())).build();
109 private org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.library.rev160409.module.list.Module createModuleEntryFromModule(final Module module) {
110 final ModuleBuilder moduleBuilder = new ModuleBuilder();
112 // TODO Conformance type is always set to Implement value, but it should it really be like this?
113 // TODO Add also deviations and features lists to module entries
114 moduleBuilder.setName(new YangIdentifier(module.getName()))
115 .setRevision(new OptionalRevision(module.getQNameModule().getFormattedRevision()))
116 .setNamespace(new Uri(module.getNamespace().toString()))
117 .setConformanceType(ConformanceType.Implement)
118 .setSubmodules(createSubmodulesForModule(module));
120 return moduleBuilder.build();
123 private Submodules createSubmodulesForModule(final Module module) {
124 final List<Submodule> submodulesList = Lists.newArrayList();
125 for (final Module subModule : module.getSubmodules()) {
126 final SubmoduleBuilder subModuleEntryBuilder = new SubmoduleBuilder();
127 subModuleEntryBuilder.setName(new YangIdentifier(subModule.getName()))
128 .setRevision(new OptionalRevision(subModule.getQNameModule().getFormattedRevision()));
129 submodulesList.add(subModuleEntryBuilder.build());
132 return new SubmodulesBuilder().setSubmodule(submodulesList).build();