2 * Copyright (c) 2017 Pantheon Technologies 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.javav2.dom.adapter.spi;
10 import com.google.common.annotations.Beta;
11 import com.google.common.base.Optional;
12 import com.google.common.base.Preconditions;
13 import com.google.common.util.concurrent.CheckedFuture;
14 import com.google.common.util.concurrent.MoreExecutors;
15 import javax.annotation.Nonnull;
16 import org.opendaylight.mdsal.binding.javav2.dom.codec.impl.BindingToNormalizedNodeCodec;
17 import org.opendaylight.mdsal.binding.javav2.spec.base.InstanceIdentifier;
18 import org.opendaylight.mdsal.binding.javav2.spec.base.TreeNode;
19 import org.opendaylight.mdsal.common.api.AsyncTransaction;
20 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
21 import org.opendaylight.mdsal.common.api.MappingCheckedFuture;
22 import org.opendaylight.mdsal.common.api.ReadFailedException;
23 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadTransaction;
24 import org.opendaylight.yangtools.concepts.Delegator;
25 import org.opendaylight.yangtools.concepts.Identifiable;
26 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
27 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
30 * Abstract class for forwards transaction and codec for serialize/deserialize DOM and Binding data.
33 * - type of asynchronous transaction
36 public abstract class AbstractForwardedTransaction<
37 T extends AsyncTransaction<YangInstanceIdentifier, NormalizedNode<?, ?>>>
38 implements Delegator<T>, Identifiable<Object> {
40 private final T delegate;
41 private final BindingToNormalizedNodeCodec codec;
43 public AbstractForwardedTransaction(final T delegateTx, final BindingToNormalizedNodeCodec codec) {
44 this.delegate = Preconditions.checkNotNull(delegateTx, "Delegate must not be null");
45 this.codec = Preconditions.checkNotNull(codec, "Codec must not be null");
50 public final Object getIdentifier() {
51 return delegate.getIdentifier();
55 public final T getDelegate() {
59 @SuppressWarnings("unchecked")
60 protected final <S extends AsyncTransaction<YangInstanceIdentifier, NormalizedNode<?, ?>>> S
61 getDelegateChecked(final Class<S> txType) {
62 Preconditions.checkState(txType.isInstance(delegate));
66 protected final BindingToNormalizedNodeCodec getCodec() {
70 protected final <D extends TreeNode> CheckedFuture<Optional<D>, ReadFailedException> doRead(
71 final DOMDataTreeReadTransaction readTx, final LogicalDatastoreType store,
72 final InstanceIdentifier<D> path) {
73 Preconditions.checkArgument(!path.isWildcarded(), "Invalid read of wildcarded path %s", path);
75 return MappingCheckedFuture.create(readTx.read(store, codec.toYangInstanceIdentifierBlocking(path))
76 .transform(Optional::fromJavaUtil, MoreExecutors.directExecutor())
77 .transform(codec.deserializeFunction(path), MoreExecutors.directExecutor()), ReadFailedException.MAPPER);