2 * Copyright (c) 2020 PANTHEON.tech, s.r.o. 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.mdsal.binding.dom.adapter;
10 import static com.google.common.base.Verify.verify;
11 import static com.google.common.base.Verify.verifyNotNull;
12 import static java.util.Objects.requireNonNull;
14 import com.google.common.annotations.Beta;
15 import com.google.common.annotations.VisibleForTesting;
16 import com.google.common.cache.CacheBuilder;
17 import com.google.common.cache.CacheLoader;
18 import com.google.common.cache.LoadingCache;
19 import com.google.common.collect.ImmutableBiMap;
20 import java.lang.reflect.Method;
21 import java.util.Collection;
22 import java.util.stream.Collectors;
23 import org.eclipse.jdt.annotation.NonNull;
24 import org.opendaylight.mdsal.binding.api.ActionSpec;
25 import org.opendaylight.mdsal.binding.api.DataTreeIdentifier;
26 import org.opendaylight.mdsal.binding.dom.codec.spi.BindingDOMCodecServices;
27 import org.opendaylight.mdsal.binding.dom.codec.spi.ForwardingBindingDOMCodecServices;
28 import org.opendaylight.mdsal.binding.runtime.api.BindingRuntimeContext;
29 import org.opendaylight.mdsal.binding.spec.naming.BindingMapping;
30 import org.opendaylight.mdsal.binding.spec.reflect.BindingReflections;
31 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
32 import org.opendaylight.yangtools.yang.binding.DataObject;
33 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
34 import org.opendaylight.yangtools.yang.binding.RpcService;
35 import org.opendaylight.yangtools.yang.common.QName;
36 import org.opendaylight.yangtools.yang.common.QNameModule;
37 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
38 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.AugmentationIdentifier;
39 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
40 import org.opendaylight.yangtools.yang.model.api.Module;
41 import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
42 import org.opendaylight.yangtools.yang.model.api.stmt.ActionEffectiveStatement;
43 import org.opendaylight.yangtools.yang.model.api.stmt.ListEffectiveStatement;
44 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Absolute;
45 import org.opendaylight.yangtools.yang.model.util.SchemaInferenceStack;
46 import org.slf4j.Logger;
47 import org.slf4j.LoggerFactory;
51 public final class CurrentAdapterSerializer extends ForwardingBindingDOMCodecServices {
52 private static final Logger LOG = LoggerFactory.getLogger(CurrentAdapterSerializer.class);
54 private final LoadingCache<InstanceIdentifier<?>, YangInstanceIdentifier> cache = CacheBuilder.newBuilder()
55 .softValues().build(new CacheLoader<InstanceIdentifier<?>, YangInstanceIdentifier>() {
57 public YangInstanceIdentifier load(final InstanceIdentifier<?> key) {
58 return toYangInstanceIdentifier(key);
62 private final @NonNull BindingDOMCodecServices delegate;
64 public CurrentAdapterSerializer(final BindingDOMCodecServices delegate) {
65 this.delegate = requireNonNull(delegate);
69 protected BindingDOMCodecServices delegate() {
73 @NonNull YangInstanceIdentifier toCachedYangInstanceIdentifier(final @NonNull InstanceIdentifier<?> path) {
74 return cache.getUnchecked(path);
77 <T extends DataObject> @NonNull InstanceIdentifier<T> coerceInstanceIdentifier(final YangInstanceIdentifier dom) {
78 return verifyNotNull(fromYangInstanceIdentifier(dom));
81 DOMDataTreeIdentifier toDOMDataTreeIdentifier(final DataTreeIdentifier<?> path) {
82 return new DOMDataTreeIdentifier(path.getDatastoreType(), toYangInstanceIdentifier(path.getRootIdentifier()));
85 Collection<DOMDataTreeIdentifier> toDOMDataTreeIdentifiers(final Collection<DataTreeIdentifier<?>> subtrees) {
86 return subtrees.stream().map(this::toDOMDataTreeIdentifier).collect(Collectors.toSet());
89 @NonNull Absolute getActionPath(final @NonNull ActionSpec<?, ?> spec) {
90 final var stack = SchemaInferenceStack.of(getRuntimeContext().getEffectiveModelContext());
91 final var it = toYangInstanceIdentifier(spec.path()).getPathArguments().iterator();
92 verify(it.hasNext(), "Unexpected empty instance identifier for %s", spec);
94 QNameModule lastNamespace;
96 final var arg = it.next();
97 if (arg instanceof AugmentationIdentifier) {
98 final var augChildren = ((AugmentationIdentifier) arg).getPossibleChildNames();
99 verify(!augChildren.isEmpty(), "Invalid empty augmentation %s", arg);
100 lastNamespace = augChildren.iterator().next().getModule();
104 final var qname = arg.getNodeType();
105 final var stmt = stack.enterDataTree(qname);
106 lastNamespace = qname.getModule();
107 if (stmt instanceof ListEffectiveStatement) {
108 // Lists have two steps
109 verify(it.hasNext(), "Unexpected list termination at %s in %s", stmt, spec);
110 // Verify just to make sure we are doing the right thing
111 final var skipped = it.next();
112 verify(skipped instanceof NodeIdentifier, "Unexpected skipped list entry item %s in %s", skipped, spec);
113 verify(stmt.argument().equals(skipped.getNodeType()), "Mismatched list entry item %s in %s", skipped,
116 } while (it.hasNext());
118 final var stmt = stack.enterSchemaTree(BindingReflections.findQName(spec.type()).bindTo(lastNamespace));
119 verify(stmt instanceof ActionEffectiveStatement, "Action %s resolved to unexpected statement %s", spec, stmt);
120 return stack.toSchemaNodeIdentifier();
123 // FIXME: This should be probably part of Binding Runtime context
124 ImmutableBiMap<Method, RpcDefinition> getRpcMethodToSchema(final Class<? extends RpcService> key) {
125 final Module module = getModule(key);
126 final ImmutableBiMap.Builder<Method, RpcDefinition> ret = ImmutableBiMap.builder();
128 for (final RpcDefinition rpcDef : module.getRpcs()) {
129 final Method method = findRpcMethod(key, rpcDef);
130 ret.put(method, rpcDef);
132 } catch (final NoSuchMethodException e) {
133 throw new IllegalStateException("Rpc defined in model does not have representation in generated class.", e);
138 // FIXME: This should be probably part of Binding Runtime context
139 ImmutableBiMap<Method, QName> getRpcMethodToQName(final Class<? extends RpcService> key) {
140 final Module module = getModule(key);
141 final ImmutableBiMap.Builder<Method, QName> ret = ImmutableBiMap.builder();
143 for (final RpcDefinition rpcDef : module.getRpcs()) {
144 final Method method = findRpcMethod(key, rpcDef);
145 ret.put(method,rpcDef.getQName());
147 } catch (final NoSuchMethodException e) {
148 throw new IllegalStateException("Rpc defined in model does not have representation in generated class.", e);
153 private Module getModule(final Class<?> modeledClass) {
154 final QNameModule moduleName = BindingReflections.getQNameModule(modeledClass);
155 final BindingRuntimeContext localRuntimeContext = getRuntimeContext();
156 final Module module = localRuntimeContext.getEffectiveModelContext().findModule(moduleName).orElse(null);
157 if (module != null) {
161 LOG.trace("Schema for {} is not available; expected module name: {}; BindingRuntimeContext: {}",
162 modeledClass, moduleName, localRuntimeContext);
163 throw new IllegalStateException(String.format("Schema for %s is not available; expected module name: %s; "
164 + "full BindingRuntimeContext available in trace log", modeledClass, moduleName));
167 private Method findRpcMethod(final Class<? extends RpcService> key, final RpcDefinition rpcDef)
168 throws NoSuchMethodException {
169 final var rpcName = rpcDef.getQName();
170 final var inputClz = getRuntimeContext().getRpcInput(rpcName);
171 return key.getMethod(BindingMapping.getRpcMethodName(rpcName), inputClz);