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.controller.md.sal.binding.impl;
10 import com.google.common.base.Optional;
11 import com.google.common.base.Preconditions;
12 import com.google.common.util.concurrent.CheckedFuture;
13 import com.google.common.util.concurrent.Futures;
14 import com.google.common.util.concurrent.MoreExecutors;
15 import org.opendaylight.controller.md.sal.common.api.MappingCheckedFuture;
16 import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction;
17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
18 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
19 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadTransaction;
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;
24 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
25 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
27 abstract class AbstractForwardedTransaction<T extends AsyncTransaction<YangInstanceIdentifier, NormalizedNode<?, ?>>>
28 implements Delegator<T>, Identifiable<Object> {
30 private final T delegate;
31 private final BindingToNormalizedNodeCodec codec;
33 AbstractForwardedTransaction(final T delegateTx, final BindingToNormalizedNodeCodec codec) {
34 this.delegate = Preconditions.checkNotNull(delegateTx, "Delegate must not be null");
35 this.codec = Preconditions.checkNotNull(codec, "Codec must not be null");
40 public final Object getIdentifier() {
41 return delegate.getIdentifier();
45 public final T getDelegate() {
49 @SuppressWarnings("unchecked")
50 protected final <S extends AsyncTransaction<YangInstanceIdentifier, NormalizedNode<?, ?>>>
51 S getDelegateChecked(final Class<S> txType) {
52 Preconditions.checkState(txType.isInstance(delegate));
56 protected final BindingToNormalizedNodeCodec getCodec() {
60 protected final <D extends DataObject> CheckedFuture<Optional<D>,ReadFailedException> doRead(
61 final DOMDataReadTransaction readTx, final LogicalDatastoreType store,
62 final InstanceIdentifier<D> path) {
63 Preconditions.checkArgument(!path.isWildcarded(), "Invalid read of wildcarded path %s", path);
65 return MappingCheckedFuture.create(
66 Futures.transform(readTx.read(store, codec.toYangInstanceIdentifierBlocking(path)),
67 result -> Optional.fromJavaUtil(codec.deserializeFunction(path).apply(result.toJavaUtil())),
68 MoreExecutors.directExecutor()),
69 ReadFailedException.MAPPER);