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.DOMDataTreeWriteTransaction;
49 import org.opendaylight.yangtools.concepts.ListenerRegistration;
50 import org.opendaylight.yangtools.util.concurrent.ExceptionMapper;
51 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
52 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
55 * Adapter between the legacy controller API-based DOMDataBroker and the mdsal API-based DOMDataBroker.
57 * @author Thomas Pantelis
59 public class LegacyDOMDataBrokerAdapter extends ForwardingObject implements DOMDataBroker {
60 private static final ExceptionMapper<TransactionCommitFailedException> COMMIT_EX_MAPPER =
61 new ExceptionMapper<TransactionCommitFailedException>("commit", TransactionCommitFailedException.class) {
63 protected TransactionCommitFailedException newWithCause(String message, Throwable cause) {
64 if (cause instanceof org.opendaylight.mdsal.common.api.OptimisticLockFailedException) {
65 return new OptimisticLockFailedException(cause.getMessage(), cause.getCause());
66 } else if (cause instanceof org.opendaylight.mdsal.common.api.TransactionCommitFailedException) {
67 Throwable rootCause = cause.getCause();
68 if (rootCause instanceof org.opendaylight.mdsal.common.api.DataStoreUnavailableException) {
69 rootCause = new DataStoreUnavailableException(rootCause.getMessage(), rootCause.getCause());
72 return new TransactionCommitFailedException(cause.getMessage(), rootCause);
75 return new TransactionCommitFailedException(message, cause);
79 private final org.opendaylight.mdsal.dom.api.DOMDataBroker delegate;
80 private final ClassToInstanceMap<DOMDataBrokerExtension> extensions;
82 public LegacyDOMDataBrokerAdapter(org.opendaylight.mdsal.dom.api.DOMDataBroker delegate) {
83 this.delegate = delegate;
85 ClassToInstanceMap<org.opendaylight.mdsal.dom.api.DOMDataBrokerExtension> delegateExtensions =
86 delegate.getExtensions();
88 Builder<DOMDataBrokerExtension> extBuilder = ImmutableClassToInstanceMap.builder();
89 final org.opendaylight.mdsal.dom.api.DOMDataTreeChangeService delegateTreeChangeService =
90 (org.opendaylight.mdsal.dom.api.DOMDataTreeChangeService) delegateExtensions.get(
91 org.opendaylight.mdsal.dom.api.DOMDataTreeChangeService.class);
92 if (delegateTreeChangeService != null) {
93 extBuilder.put(DOMDataTreeChangeService.class, new DOMDataTreeChangeService() {
95 public <L extends DOMDataTreeChangeListener> ListenerRegistration<L> registerDataTreeChangeListener(
96 DOMDataTreeIdentifier treeId, final L listener) {
97 final org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener delegateListener;
98 if (listener instanceof ClusteredDOMDataTreeChangeListener) {
99 delegateListener = (org.opendaylight.mdsal.dom.api.ClusteredDOMDataTreeChangeListener)
100 listener::onDataTreeChanged;
102 delegateListener = listener::onDataTreeChanged;
105 final ListenerRegistration<org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener> reg =
106 delegateTreeChangeService.registerDataTreeChangeListener(
107 new org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier(
108 treeId.getDatastoreType().toMdsal(), treeId.getRootIdentifier()), delegateListener);
110 return new ListenerRegistration<L>() {
112 public L getInstance() {
117 public void close() {
125 final org.opendaylight.mdsal.dom.api.DOMDataTreeCommitCohortRegistry delegateCohortRegistry =
126 (org.opendaylight.mdsal.dom.api.DOMDataTreeCommitCohortRegistry) delegateExtensions.get(
127 org.opendaylight.mdsal.dom.api.DOMDataTreeCommitCohortRegistry.class);
128 if (delegateCohortRegistry != null) {
129 extBuilder.put(DOMDataTreeCommitCohortRegistry.class, delegateCohortRegistry::registerCommitCohort);
132 extensions = extBuilder.build();
136 protected org.opendaylight.mdsal.dom.api.DOMDataBroker delegate() {
141 public Map<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension> getSupportedExtensions() {
146 public DOMDataReadOnlyTransaction newReadOnlyTransaction() {
147 return new DOMDataReadOnlyTransactionAdapter(delegate().newReadOnlyTransaction());
151 public DOMDataReadWriteTransaction newReadWriteTransaction() {
152 return new DOMDataTransactionAdapter(delegate().newReadWriteTransaction());
156 public DOMDataWriteTransaction newWriteOnlyTransaction() {
157 return new DOMDataTransactionAdapter(delegate().newWriteOnlyTransaction());
161 public DOMTransactionChain createTransactionChain(final TransactionChainListener listener) {
162 AtomicReference<DOMTransactionChain> legacyChain = new AtomicReference<>();
163 org.opendaylight.mdsal.common.api.TransactionChainListener delegateListener =
164 new org.opendaylight.mdsal.common.api.TransactionChainListener() {
165 @SuppressWarnings("rawtypes")
167 public void onTransactionChainFailed(final org.opendaylight.mdsal.common.api.TransactionChain<?, ?> chain,
168 final org.opendaylight.mdsal.common.api.AsyncTransaction<?, ?> transaction, final Throwable cause) {
169 listener.onTransactionChainFailed(legacyChain.get(),
170 (AsyncTransaction) () -> transaction.getIdentifier(),
171 cause instanceof Exception ? COMMIT_EX_MAPPER.apply((Exception)cause) : cause);
175 public void onTransactionChainSuccessful(org.opendaylight.mdsal.common.api.TransactionChain<?, ?> chain) {
176 listener.onTransactionChainSuccessful(legacyChain.get());
180 final org.opendaylight.mdsal.dom.api.DOMTransactionChain delegateChain =
181 delegate().createTransactionChain(delegateListener);
182 legacyChain.set(new DOMTransactionChain() {
184 public DOMDataReadOnlyTransaction newReadOnlyTransaction() {
185 return new DOMDataReadOnlyTransactionAdapter(wrapException(delegateChain::newReadOnlyTransaction));
189 public DOMDataReadWriteTransaction newReadWriteTransaction() {
190 return new DOMDataTransactionAdapter(wrapException(delegateChain::newReadWriteTransaction));
194 public DOMDataWriteTransaction newWriteOnlyTransaction() {
195 return new DOMDataTransactionAdapter(wrapException(delegateChain::newWriteOnlyTransaction));
199 public void close() {
200 delegateChain.close();
204 return legacyChain.get();
207 static <T> T wrapException(final Supplier<T> supplier) {
209 return supplier.get();
210 } catch (org.opendaylight.mdsal.common.api.TransactionChainClosedException e) {
211 throw new TransactionChainClosedException("Transaction chain already closed", e);
215 private static class DOMDataTransactionAdapter implements DOMDataReadWriteTransaction {
216 private final DOMDataTreeReadTransaction readDelegate;
217 private final DOMDataTreeWriteTransaction writeDelegate;
218 private final Object identifier;
220 DOMDataTransactionAdapter(@Nonnull DOMDataTreeReadTransaction readDelegate) {
221 this.readDelegate = Preconditions.checkNotNull(readDelegate);
222 this.identifier = readDelegate.getIdentifier();
223 this.writeDelegate = null;
226 DOMDataTransactionAdapter(@Nonnull DOMDataTreeWriteTransaction writeDelegate) {
227 this.writeDelegate = Preconditions.checkNotNull(writeDelegate);
228 this.identifier = writeDelegate.getIdentifier();
229 this.readDelegate = null;
232 DOMDataTransactionAdapter(@Nonnull DOMDataTreeReadWriteTransaction rwDelegate) {
233 this.readDelegate = Preconditions.checkNotNull(rwDelegate);
234 this.writeDelegate = rwDelegate;
235 this.identifier = readDelegate.getIdentifier();
238 DOMDataTreeReadTransaction readDelegate() {
242 DOMDataTreeWriteTransaction writeDelegate() {
243 return writeDelegate;
247 public Object getIdentifier() {
252 public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read(LogicalDatastoreType store,
253 YangInstanceIdentifier path) {
254 return MappingCheckedFuture.create(readDelegate().read(store.toMdsal(), path).transform(
255 Optional::fromJavaUtil, MoreExecutors.directExecutor()), ReadFailedExceptionAdapter.INSTANCE);
259 public CheckedFuture<Boolean, ReadFailedException> exists(LogicalDatastoreType store,
260 YangInstanceIdentifier path) {
261 return MappingCheckedFuture.create(readDelegate().exists(store.toMdsal(), path),
262 ReadFailedExceptionAdapter.INSTANCE);
266 public void delete(LogicalDatastoreType store, YangInstanceIdentifier path) {
267 writeDelegate().delete(store.toMdsal(), path);
271 public void put(LogicalDatastoreType store, YangInstanceIdentifier path, NormalizedNode<?, ?> data) {
272 writeDelegate().put(store.toMdsal(), path, data);
276 public void merge(LogicalDatastoreType store, YangInstanceIdentifier path, NormalizedNode<?, ?> data) {
277 writeDelegate().merge(store.toMdsal(), path, data);
281 public boolean cancel() {
282 return writeDelegate().cancel();
286 public FluentFuture<? extends CommitInfo> commit() {
287 final SettableFuture<CommitInfo> resultFuture = SettableFuture.create();
288 writeDelegate().commit().addCallback(new FutureCallback<CommitInfo>() {
290 public void onSuccess(CommitInfo result) {
291 resultFuture.set(result);
295 public void onFailure(Throwable ex) {
296 if (ex instanceof Exception) {
297 resultFuture.setException(COMMIT_EX_MAPPER.apply((Exception)ex));
299 resultFuture.setException(ex);
302 }, MoreExecutors.directExecutor());
308 private static class DOMDataReadOnlyTransactionAdapter implements DOMDataReadOnlyTransaction {
309 private final DOMDataTransactionAdapter adapter;
311 DOMDataReadOnlyTransactionAdapter(DOMDataTreeReadTransaction delegateTx) {
312 adapter = new DOMDataTransactionAdapter(delegateTx);
316 public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read(LogicalDatastoreType store,
317 YangInstanceIdentifier path) {
318 return adapter.read(store, path);
322 public CheckedFuture<Boolean, ReadFailedException> exists(LogicalDatastoreType store,
323 YangInstanceIdentifier path) {
324 return adapter.exists(store, path);
328 public Object getIdentifier() {
329 return adapter.getIdentifier();
333 public void close() {
334 adapter.readDelegate().close();