2 * Copyright (c) 2014 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
8 package org.opendaylight.mdsal.binding.dom.adapter;
10 import static com.google.common.base.Preconditions.checkArgument;
11 import static com.google.common.base.Preconditions.checkState;
12 import static java.util.Objects.requireNonNull;
14 import com.google.common.util.concurrent.FluentFuture;
15 import com.google.common.util.concurrent.MoreExecutors;
16 import java.util.Optional;
17 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
18 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadTransaction;
19 import org.opendaylight.mdsal.dom.api.DOMDataTreeTransaction;
20 import org.opendaylight.yangtools.concepts.Delegator;
21 import org.opendaylight.yangtools.concepts.Identifiable;
22 import org.opendaylight.yangtools.yang.binding.DataObject;
23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
25 abstract class AbstractForwardedTransaction<T extends DOMDataTreeTransaction> implements Delegator<T>,
26 Identifiable<Object> {
28 private final T delegate;
29 private final BindingToNormalizedNodeCodec codec;
31 AbstractForwardedTransaction(final T delegateTx, final BindingToNormalizedNodeCodec codec) {
32 this.delegate = requireNonNull(delegateTx, "Delegate must not be null");
33 this.codec = requireNonNull(codec, "Codec must not be null");
38 public final Object getIdentifier() {
39 return delegate.getIdentifier();
43 public final T getDelegate() {
47 @SuppressWarnings("unchecked")
48 protected final <S extends DOMDataTreeTransaction> S getDelegateChecked(final Class<S> txType) {
49 checkState(txType.isInstance(delegate));
53 protected final BindingToNormalizedNodeCodec getCodec() {
57 protected final <D extends DataObject> FluentFuture<Optional<D>> doRead(
58 final DOMDataTreeReadTransaction readTx, final LogicalDatastoreType store,
59 final InstanceIdentifier<D> path) {
60 checkArgument(!path.isWildcarded(), "Invalid read of wildcarded path %s", path);
62 return readTx.read(store, codec.toYangInstanceIdentifierBlocking(path))
63 .transform(codec.getCodecRegistry().deserializeFunction(path)::apply, MoreExecutors.directExecutor());