2 * Copyright (c) 2017 Inocybe Technologies 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.controller.sal.core.compat;
10 import com.google.common.base.Optional;
11 import com.google.common.base.Preconditions;
12 import com.google.common.collect.ClassToInstanceMap;
13 import com.google.common.collect.ForwardingObject;
14 import com.google.common.collect.ImmutableClassToInstanceMap;
15 import com.google.common.collect.ImmutableClassToInstanceMap.Builder;
16 import com.google.common.util.concurrent.CheckedFuture;
17 import com.google.common.util.concurrent.FluentFuture;
18 import com.google.common.util.concurrent.FutureCallback;
19 import com.google.common.util.concurrent.MoreExecutors;
20 import com.google.common.util.concurrent.SettableFuture;
22 import java.util.concurrent.atomic.AtomicReference;
23 import java.util.function.Supplier;
24 import javax.annotation.Nonnull;
25 import org.opendaylight.controller.md.sal.common.api.MappingCheckedFuture;
26 import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction;
27 import org.opendaylight.controller.md.sal.common.api.data.DataStoreUnavailableException;
28 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
29 import org.opendaylight.controller.md.sal.common.api.data.OptimisticLockFailedException;
30 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
31 import org.opendaylight.controller.md.sal.common.api.data.TransactionChainClosedException;
32 import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
33 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
34 import org.opendaylight.controller.md.sal.dom.api.ClusteredDOMDataTreeChangeListener;
35 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
36 import org.opendaylight.controller.md.sal.dom.api.DOMDataBrokerExtension;
37 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadOnlyTransaction;
38 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
39 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
40 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeService;
41 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeCommitCohortRegistry;
42 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeIdentifier;
43 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
44 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
45 import org.opendaylight.mdsal.common.api.CommitInfo;
46 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadTransaction;
47 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadWriteTransaction;
48 import org.opendaylight.mdsal.dom.api.DOMDataTreeTransaction;
49 import org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction;
50 import org.opendaylight.mdsal.dom.api.DOMTransactionChainClosedException;
51 import org.opendaylight.mdsal.dom.api.DOMTransactionChainListener;
52 import org.opendaylight.yangtools.concepts.ListenerRegistration;
53 import org.opendaylight.yangtools.util.concurrent.ExceptionMapper;
54 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
55 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
58 * Adapter between the legacy controller API-based DOMDataBroker and the mdsal API-based DOMDataBroker.
60 * @author Thomas Pantelis
62 public class LegacyDOMDataBrokerAdapter extends ForwardingObject implements DOMDataBroker {
63 private static final ExceptionMapper<TransactionCommitFailedException> COMMIT_EX_MAPPER =
64 new ExceptionMapper<TransactionCommitFailedException>("commit", TransactionCommitFailedException.class) {
66 protected TransactionCommitFailedException newWithCause(final String message, final Throwable cause) {
67 if (cause instanceof org.opendaylight.mdsal.common.api.OptimisticLockFailedException) {
68 return new OptimisticLockFailedException(cause.getMessage(), cause.getCause());
69 } else if (cause instanceof org.opendaylight.mdsal.common.api.TransactionCommitFailedException) {
70 Throwable rootCause = cause.getCause();
71 if (rootCause instanceof org.opendaylight.mdsal.common.api.DataStoreUnavailableException) {
72 rootCause = new DataStoreUnavailableException(rootCause.getMessage(), rootCause.getCause());
75 return new TransactionCommitFailedException(cause.getMessage(), rootCause);
78 return new TransactionCommitFailedException(message, cause);
82 private final org.opendaylight.mdsal.dom.api.DOMDataBroker delegate;
83 private final ClassToInstanceMap<DOMDataBrokerExtension> extensions;
85 public LegacyDOMDataBrokerAdapter(final org.opendaylight.mdsal.dom.api.DOMDataBroker delegate) {
86 this.delegate = delegate;
88 ClassToInstanceMap<org.opendaylight.mdsal.dom.api.DOMDataBrokerExtension> delegateExtensions =
89 delegate.getExtensions();
91 Builder<DOMDataBrokerExtension> extBuilder = ImmutableClassToInstanceMap.builder();
92 final org.opendaylight.mdsal.dom.api.DOMDataTreeChangeService delegateTreeChangeService =
93 (org.opendaylight.mdsal.dom.api.DOMDataTreeChangeService) delegateExtensions.get(
94 org.opendaylight.mdsal.dom.api.DOMDataTreeChangeService.class);
95 if (delegateTreeChangeService != null) {
96 extBuilder.put(DOMDataTreeChangeService.class, new DOMDataTreeChangeService() {
98 public <L extends DOMDataTreeChangeListener> ListenerRegistration<L> registerDataTreeChangeListener(
99 final DOMDataTreeIdentifier treeId, final L listener) {
100 final org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener delegateListener;
101 if (listener instanceof ClusteredDOMDataTreeChangeListener) {
102 delegateListener = (org.opendaylight.mdsal.dom.api.ClusteredDOMDataTreeChangeListener)
103 listener::onDataTreeChanged;
105 delegateListener = listener::onDataTreeChanged;
108 final ListenerRegistration<org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener> reg =
109 delegateTreeChangeService.registerDataTreeChangeListener(treeId.toMdsal(), delegateListener);
111 return new ListenerRegistration<L>() {
113 public L getInstance() {
118 public void close() {
126 final org.opendaylight.mdsal.dom.api.DOMDataTreeCommitCohortRegistry delegateCohortRegistry =
127 (org.opendaylight.mdsal.dom.api.DOMDataTreeCommitCohortRegistry) delegateExtensions.get(
128 org.opendaylight.mdsal.dom.api.DOMDataTreeCommitCohortRegistry.class);
129 if (delegateCohortRegistry != null) {
130 extBuilder.put(DOMDataTreeCommitCohortRegistry.class, delegateCohortRegistry::registerCommitCohort);
133 extensions = extBuilder.build();
137 protected org.opendaylight.mdsal.dom.api.DOMDataBroker delegate() {
142 public Map<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension> getSupportedExtensions() {
147 public DOMDataReadOnlyTransaction newReadOnlyTransaction() {
148 return new DOMDataReadOnlyTransactionAdapter(delegate().newReadOnlyTransaction());
152 public DOMDataReadWriteTransaction newReadWriteTransaction() {
153 return new DOMDataTransactionAdapter(delegate().newReadWriteTransaction());
157 public DOMDataWriteTransaction newWriteOnlyTransaction() {
158 return new DOMDataTransactionAdapter(delegate().newWriteOnlyTransaction());
162 public DOMTransactionChain createTransactionChain(final TransactionChainListener listener) {
163 AtomicReference<DOMTransactionChain> legacyChain = new AtomicReference<>();
164 DOMTransactionChainListener delegateListener =
165 new DOMTransactionChainListener() {
167 @SuppressWarnings("rawtypes")
168 public void onTransactionChainFailed(final org.opendaylight.mdsal.dom.api.DOMTransactionChain chain,
169 final DOMDataTreeTransaction transaction, final Throwable cause) {
170 listener.onTransactionChainFailed(legacyChain.get(),
171 (AsyncTransaction) () -> transaction.getIdentifier(),
172 cause instanceof Exception ? COMMIT_EX_MAPPER.apply((Exception)cause) : cause);
176 public void onTransactionChainSuccessful(final org.opendaylight.mdsal.dom.api.DOMTransactionChain chain) {
177 listener.onTransactionChainSuccessful(legacyChain.get());
181 final org.opendaylight.mdsal.dom.api.DOMTransactionChain delegateChain =
182 delegate().createTransactionChain(delegateListener);
183 legacyChain.set(new DOMTransactionChain() {
185 public DOMDataReadOnlyTransaction newReadOnlyTransaction() {
186 return new DOMDataReadOnlyTransactionAdapter(wrapException(delegateChain::newReadOnlyTransaction));
190 public DOMDataReadWriteTransaction newReadWriteTransaction() {
191 return new DOMDataTransactionAdapter(wrapException(delegateChain::newReadWriteTransaction));
195 public DOMDataWriteTransaction newWriteOnlyTransaction() {
196 return new DOMDataTransactionAdapter(wrapException(delegateChain::newWriteOnlyTransaction));
200 public void close() {
201 delegateChain.close();
205 return legacyChain.get();
208 static <T> T wrapException(final Supplier<T> supplier) {
210 return supplier.get();
211 } catch (DOMTransactionChainClosedException e) {
212 throw new TransactionChainClosedException("Transaction chain already closed", e);
216 private static class DOMDataTransactionAdapter implements DOMDataReadWriteTransaction {
217 private final DOMDataTreeReadTransaction readDelegate;
218 private final DOMDataTreeWriteTransaction writeDelegate;
219 private final Object identifier;
221 DOMDataTransactionAdapter(@Nonnull final DOMDataTreeReadTransaction readDelegate) {
222 this.readDelegate = Preconditions.checkNotNull(readDelegate);
223 this.identifier = readDelegate.getIdentifier();
224 this.writeDelegate = null;
227 DOMDataTransactionAdapter(@Nonnull final DOMDataTreeWriteTransaction writeDelegate) {
228 this.writeDelegate = Preconditions.checkNotNull(writeDelegate);
229 this.identifier = writeDelegate.getIdentifier();
230 this.readDelegate = null;
233 DOMDataTransactionAdapter(@Nonnull final DOMDataTreeReadWriteTransaction rwDelegate) {
234 this.readDelegate = Preconditions.checkNotNull(rwDelegate);
235 this.writeDelegate = rwDelegate;
236 this.identifier = readDelegate.getIdentifier();
239 DOMDataTreeReadTransaction readDelegate() {
243 DOMDataTreeWriteTransaction writeDelegate() {
244 return writeDelegate;
248 public Object getIdentifier() {
253 public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read(final LogicalDatastoreType store,
254 final YangInstanceIdentifier path) {
255 return MappingCheckedFuture.create(readDelegate().read(store.toMdsal(), path).transform(
256 Optional::fromJavaUtil, MoreExecutors.directExecutor()), ReadFailedExceptionAdapter.INSTANCE);
260 public CheckedFuture<Boolean, ReadFailedException> exists(final LogicalDatastoreType store,
261 final YangInstanceIdentifier path) {
262 return MappingCheckedFuture.create(readDelegate().exists(store.toMdsal(), path),
263 ReadFailedExceptionAdapter.INSTANCE);
267 public void delete(final LogicalDatastoreType store, final YangInstanceIdentifier path) {
268 writeDelegate().delete(store.toMdsal(), path);
272 public void put(final LogicalDatastoreType store, final YangInstanceIdentifier path,
273 final NormalizedNode<?, ?> data) {
274 writeDelegate().put(store.toMdsal(), path, data);
278 public void merge(final LogicalDatastoreType store, final YangInstanceIdentifier path,
279 final NormalizedNode<?, ?> data) {
280 writeDelegate().merge(store.toMdsal(), path, data);
284 public boolean cancel() {
285 return writeDelegate().cancel();
289 public FluentFuture<? extends CommitInfo> commit() {
290 final SettableFuture<CommitInfo> resultFuture = SettableFuture.create();
291 writeDelegate().commit().addCallback(new FutureCallback<CommitInfo>() {
293 public void onSuccess(final CommitInfo result) {
294 resultFuture.set(result);
298 public void onFailure(final Throwable ex) {
299 if (ex instanceof Exception) {
300 resultFuture.setException(COMMIT_EX_MAPPER.apply((Exception)ex));
302 resultFuture.setException(ex);
305 }, MoreExecutors.directExecutor());
311 private static class DOMDataReadOnlyTransactionAdapter implements DOMDataReadOnlyTransaction {
312 private final DOMDataTransactionAdapter adapter;
314 DOMDataReadOnlyTransactionAdapter(final DOMDataTreeReadTransaction delegateTx) {
315 adapter = new DOMDataTransactionAdapter(delegateTx);
319 public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read(final LogicalDatastoreType store,
320 final YangInstanceIdentifier path) {
321 return adapter.read(store, path);
325 public CheckedFuture<Boolean, ReadFailedException> exists(final LogicalDatastoreType store,
326 final YangInstanceIdentifier path) {
327 return adapter.exists(store, path);
331 public Object getIdentifier() {
332 return adapter.getIdentifier();
336 public void close() {
337 adapter.readDelegate().close();